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parser.html

parser.html 65 KB
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  1. 

  2. 

  3. <!DOCTYPE html>
    4. 

  4. <!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
    5. 

  5. <!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
    6. 

  6. <head>
    7. 

  7.   <meta charset="utf-8">
    8. 

  8.   <meta name="viewport" content="width=device-width, initial-scale=1.0">
    9. 

  9.   
    10. 

  10.   <title>Template Parser Class &mdash; CodeIgniter 3.1.11 documentation</title>
    11. 

  11.   
    12. 

  12. 

  13.   
    14. 

  14.   
    15. 

  15.     <link rel="shortcut icon" href="../_static/ci-icon.ico"/>
    16. 

  16.   
    17. 

  17. 

  18.   
    19. 

  19.   <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'>
    20. 

  20. 

  21.   
    22. 

  22.   
    23. 

  23.     
    24. 

  24. 

  25.   
    26. 

  26. 

  27.   
    28. 

  28.   
    29. 

  29.     <link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" />
    30. 

  30.   
    31. 

  31. 

  32.   
    33. 

  33.         <link rel="index" title="Index"
    34. 

  34.               href="../genindex.html"/>
    35. 

  35.         <link rel="search" title="Search" href="../search.html"/>
    36. 

  36.     <link rel="top" title="CodeIgniter 3.1.11 documentation" href="../index.html"/>
    37. 

  37.         <link rel="up" title="Libraries" href="index.html"/>
    38. 

  38.         <link rel="next" title="Security Class" href="security.html"/>
    39. 

  39.         <link rel="prev" title="Pagination Class" href="pagination.html"/> 
    40. 

  40. 

  41.   
    42. 

  42.   <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
    43. 

  43. 

  44. </head>
    45. 

  45. 

  46. <body class="wy-body-for-nav" role="document">
    47. 

  47. 

  48.   <div id="nav">
    49. 

  49.   <div id="nav_inner">
    50. 

  50.     
    51. 

  51.     
    52. 

  52.     
    53. 

  53.       <div id="pulldown-menu" class="ciNav">
    54. 

  54.         <ul>
    55. 

  55. <li class="toctree-l1"><a class="reference internal" href="../general/welcome.html">Welcome to CodeIgniter</a></li>
    56. 

  56. </ul>
    57. 

  57. <ul>
    58. 

  58. <li class="toctree-l1"><a class="reference internal" href="../installation/index.html">Installation Instructions</a><ul>
    59. 

  59. <li class="toctree-l2"><a class="reference internal" href="../installation/downloads.html">Downloading CodeIgniter</a></li>
    60. 

  60. <li class="toctree-l2"><a class="reference internal" href="../installation/index.html">Installation Instructions</a></li>
    61. 

  61. <li class="toctree-l2"><a class="reference internal" href="../installation/upgrading.html">Upgrading From a Previous Version</a></li>
    62. 

  62. <li class="toctree-l2"><a class="reference internal" href="../installation/troubleshooting.html">Troubleshooting</a></li>
    63. 

  63. </ul>
    64. 

  64. </li>
    65. 

  65. </ul>
    66. 

  66. <ul>
    67. 

  67. <li class="toctree-l1"><a class="reference internal" href="../overview/index.html">CodeIgniter Overview</a><ul>
    68. 

  68. <li class="toctree-l2"><a class="reference internal" href="../overview/getting_started.html">Getting Started</a></li>
    69. 

  69. <li class="toctree-l2"><a class="reference internal" href="../overview/at_a_glance.html">CodeIgniter at a Glance</a></li>
    70. 

  70. <li class="toctree-l2"><a class="reference internal" href="../overview/features.html">Supported Features</a></li>
    71. 

  71. <li class="toctree-l2"><a class="reference internal" href="../overview/appflow.html">Application Flow Chart</a></li>
    72. 

  72. <li class="toctree-l2"><a class="reference internal" href="../overview/mvc.html">Model-View-Controller</a></li>
    73. 

  73. <li class="toctree-l2"><a class="reference internal" href="../overview/goals.html">Architectural Goals</a></li>
    74. 

  74. </ul>
    75. 

  75. </li>
    76. 

  76. </ul>
    77. 

  77. <ul>
    78. 

  78. <li class="toctree-l1"><a class="reference internal" href="../tutorial/index.html">Tutorial</a><ul>
    79. 

  79. <li class="toctree-l2"><a class="reference internal" href="../tutorial/static_pages.html">Static pages</a></li>
    80. 

  80. <li class="toctree-l2"><a class="reference internal" href="../tutorial/news_section.html">News section</a></li>
    81. 

  81. <li class="toctree-l2"><a class="reference internal" href="../tutorial/create_news_items.html">Create news items</a></li>
    82. 

  82. <li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
    83. 

  83. </ul>
    84. 

  84. </li>
    85. 

  85. </ul>
    86. 

  86. <ul>
    87. 

  87. <li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
    88. 

  88. <li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li>
    89. 

  89. <li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li>
    90. 

  90. </ul>
    91. 

  91. </li>
    92. 

  92. </ul>
    93. 

  93. <ul>
    94. 

  94. <li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul>
    95. 

  95. <li class="toctree-l2"><a class="reference internal" href="../general/urls.html">CodeIgniter URLs</a></li>
    96. 

  96. <li class="toctree-l2"><a class="reference internal" href="../general/controllers.html">Controllers</a></li>
    97. 

  97. <li class="toctree-l2"><a class="reference internal" href="../general/reserved_names.html">Reserved Names</a></li>
    98. 

  98. <li class="toctree-l2"><a class="reference internal" href="../general/views.html">Views</a></li>
    99. 

  99. <li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li>
    100. 

  100. <li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li>
    101. 

  101. <li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li>
    102. 

  102. <li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li>
    103. 

  103. <li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li>
    104. 

  104. <li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li>
    105. 

  105. <li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li>
    106. 

  106. <li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li>
    107. 

  107. <li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li>
    108. 

  108. <li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li>
    109. 

  109. <li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
    110. 

  110. <li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li>
    111. 

  111. <li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li>
    112. 

  112. <li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
    113. 

  113. <li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li>
    114. 

  114. <li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li>
    115. 

  115. <li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
    116. 

  116. <li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li>
    117. 

  117. <li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li>
    118. 

  118. <li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
    119. 

  119. <li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li>
    120. 

  120. <li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
    121. 

  121. </ul>
    122. 

  122. </li>
    123. 

  123. </ul>
    124. 

  124. <ul class="current">
    125. 

  125. <li class="toctree-l1 current"><a class="reference internal" href="index.html">Libraries</a><ul class="current">
    126. 

  126. <li class="toctree-l2"><a class="reference internal" href="benchmark.html">Benchmarking Class</a></li>
    127. 

  127. <li class="toctree-l2"><a class="reference internal" href="caching.html">Caching Driver</a></li>
    128. 

  128. <li class="toctree-l2"><a class="reference internal" href="calendar.html">Calendaring Class</a></li>
    129. 

  129. <li class="toctree-l2"><a class="reference internal" href="cart.html">Shopping Cart Class</a></li>
    130. 

  130. <li class="toctree-l2"><a class="reference internal" href="config.html">Config Class</a></li>
    131. 

  131. <li class="toctree-l2"><a class="reference internal" href="email.html">Email Class</a></li>
    132. 

  132. <li class="toctree-l2"><a class="reference internal" href="encrypt.html">Encrypt Class</a></li>
    133. 

  133. <li class="toctree-l2"><a class="reference internal" href="encryption.html">Encryption Library</a></li>
    134. 

  134. <li class="toctree-l2"><a class="reference internal" href="file_uploading.html">File Uploading Class</a></li>
    135. 

  135. <li class="toctree-l2"><a class="reference internal" href="form_validation.html">Form Validation</a></li>
    136. 

  136. <li class="toctree-l2"><a class="reference internal" href="ftp.html">FTP Class</a></li>
    137. 

  137. <li class="toctree-l2"><a class="reference internal" href="image_lib.html">Image Manipulation Class</a></li>
    138. 

  138. <li class="toctree-l2"><a class="reference internal" href="input.html">Input Class</a></li>
    139. 

  139. <li class="toctree-l2"><a class="reference internal" href="javascript.html">Javascript Class</a></li>
    140. 

  140. <li class="toctree-l2"><a class="reference internal" href="language.html">Language Class</a></li>
    141. 

  141. <li class="toctree-l2"><a class="reference internal" href="loader.html">Loader Class</a></li>
    142. 

  142. <li class="toctree-l2"><a class="reference internal" href="migration.html">Migrations Class</a></li>
    143. 

  143. <li class="toctree-l2"><a class="reference internal" href="output.html">Output Class</a></li>
    144. 

  144. <li class="toctree-l2"><a class="reference internal" href="pagination.html">Pagination Class</a></li>
    145. 

  145. <li class="toctree-l2 current"><a class="current reference internal" href="#">Template Parser Class</a></li>
    146. 

  146. <li class="toctree-l2"><a class="reference internal" href="security.html">Security Class</a></li>
    147. 

  147. <li class="toctree-l2"><a class="reference internal" href="sessions.html">Session Library</a></li>
    148. 

  148. <li class="toctree-l2"><a class="reference internal" href="table.html">HTML Table Class</a></li>
    149. 

  149. <li class="toctree-l2"><a class="reference internal" href="trackback.html">Trackback Class</a></li>
    150. 

  150. <li class="toctree-l2"><a class="reference internal" href="typography.html">Typography Class</a></li>
    151. 

  151. <li class="toctree-l2"><a class="reference internal" href="unit_testing.html">Unit Testing Class</a></li>
    152. 

  152. <li class="toctree-l2"><a class="reference internal" href="uri.html">URI Class</a></li>
    153. 

  153. <li class="toctree-l2"><a class="reference internal" href="user_agent.html">User Agent Class</a></li>
    154. 

  154. <li class="toctree-l2"><a class="reference internal" href="xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
    155. 

  155. <li class="toctree-l2"><a class="reference internal" href="zip.html">Zip Encoding Class</a></li>
    156. 

  156. </ul>
    157. 

  157. </li>
    158. 

  158. </ul>
    159. 

  159. <ul>
    160. 

  160. <li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
    161. 

  161. <li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
    162. 

  162. <li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
    163. 

  163. <li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li>
    164. 

  164. <li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
    165. 

  165. <li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
    166. 

  166. <li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
    167. 

  167. <li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
    168. 

  168. <li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
    169. 

  169. <li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
    170. 

  170. <li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li>
    171. 

  171. <li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li>
    172. 

  172. <li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li>
    173. 

  173. <li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li>
    174. 

  174. <li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
    175. 

  175. </ul>
    176. 

  176. </li>
    177. 

  177. </ul>
    178. 

  178. <ul>
    179. 

  179. <li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
    180. 

  180. <li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li>
    181. 

  181. <li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li>
    182. 

  182. <li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
    183. 

  183. <li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
    184. 

  184. <li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
    185. 

  185. <li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
    186. 

  186. <li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
    187. 

  187. <li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
    188. 

  188. <li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
    189. 

  189. <li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
    190. 

  190. <li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
    191. 

  191. <li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
    192. 

  192. <li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
    193. 

  193. <li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
    194. 

  194. <li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
    195. 

  195. <li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
    196. 

  196. <li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
    197. 

  197. <li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
    198. 

  198. <li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
    199. 

  199. <li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
    200. 

  200. <li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
    201. 

  201. </ul>
    202. 

  202. </li>
    203. 

  203. </ul>
    204. 

  204. 

  205.       </div>
    206. 

  206.     
    207. 

  207.       
    208. 

  208.   </div>
    209. 

  209. </div>
    210. 

  210. <div id="nav2">
    211. 

  211.   <a href="#" id="openToc">
    212. 

  212.     <img src="data:image/jpeg;base64,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" title="Toggle Table of Contents" alt="Toggle Table of Contents" />
    213. 

  213.   </a>
    214. 

  214. </div>
    215. 

  215. 

  216.   <div class="wy-grid-for-nav">
    217. 

  217. 

  218.     
    219. 

  219.     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
    220. 

  220.       <div class="wy-side-nav-search">
    221. 

  221.         
    222. 

  222.           <a href="../index.html" class="fa fa-home"> CodeIgniter</a>
    223. 

  223.         
    224. 

  224.         
    225. 

  225. <div role="search">
    226. 

  226.   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
    227. 

  227.     <input type="text" name="q" placeholder="Search docs" />
    228. 

  228.     <input type="hidden" name="check_keywords" value="yes" />
    229. 

  229.     <input type="hidden" name="area" value="default" />
    230. 

  230.   </form>
    231. 

  231. </div>
    232. 

  232.       </div>
    233. 

  233. 

  234.       <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
    235. 

  235.         
    236. 

  236.           
    237. 

  237.           
    238. 

  238.               <ul>
    239. 

  239. <li class="toctree-l1"><a class="reference internal" href="../general/welcome.html">Welcome to CodeIgniter</a></li>
    240. 

  240. </ul>
    241. 

  241. <ul>
    242. 

  242. <li class="toctree-l1"><a class="reference internal" href="../installation/index.html">Installation Instructions</a><ul>
    243. 

  243. <li class="toctree-l2"><a class="reference internal" href="../installation/downloads.html">Downloading CodeIgniter</a></li>
    244. 

  244. <li class="toctree-l2"><a class="reference internal" href="../installation/index.html">Installation Instructions</a></li>
    245. 

  245. <li class="toctree-l2"><a class="reference internal" href="../installation/upgrading.html">Upgrading From a Previous Version</a></li>
    246. 

  246. <li class="toctree-l2"><a class="reference internal" href="../installation/troubleshooting.html">Troubleshooting</a></li>
    247. 

  247. </ul>
    248. 

  248. </li>
    249. 

  249. </ul>
    250. 

  250. <ul>
    251. 

  251. <li class="toctree-l1"><a class="reference internal" href="../overview/index.html">CodeIgniter Overview</a><ul>
    252. 

  252. <li class="toctree-l2"><a class="reference internal" href="../overview/getting_started.html">Getting Started</a></li>
    253. 

  253. <li class="toctree-l2"><a class="reference internal" href="../overview/at_a_glance.html">CodeIgniter at a Glance</a></li>
    254. 

  254. <li class="toctree-l2"><a class="reference internal" href="../overview/features.html">Supported Features</a></li>
    255. 

  255. <li class="toctree-l2"><a class="reference internal" href="../overview/appflow.html">Application Flow Chart</a></li>
    256. 

  256. <li class="toctree-l2"><a class="reference internal" href="../overview/mvc.html">Model-View-Controller</a></li>
    257. 

  257. <li class="toctree-l2"><a class="reference internal" href="../overview/goals.html">Architectural Goals</a></li>
    258. 

  258. </ul>
    259. 

  259. </li>
    260. 

  260. </ul>
    261. 

  261. <ul>
    262. 

  262. <li class="toctree-l1"><a class="reference internal" href="../tutorial/index.html">Tutorial</a><ul>
    263. 

  263. <li class="toctree-l2"><a class="reference internal" href="../tutorial/static_pages.html">Static pages</a></li>
    264. 

  264. <li class="toctree-l2"><a class="reference internal" href="../tutorial/news_section.html">News section</a></li>
    265. 

  265. <li class="toctree-l2"><a class="reference internal" href="../tutorial/create_news_items.html">Create news items</a></li>
    266. 

  266. <li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
    267. 

  267. </ul>
    268. 

  268. </li>
    269. 

  269. </ul>
    270. 

  270. <ul>
    271. 

  271. <li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
    272. 

  272. <li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li>
    273. 

  273. <li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li>
    274. 

  274. </ul>
    275. 

  275. </li>
    276. 

  276. </ul>
    277. 

  277. <ul>
    278. 

  278. <li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul>
    279. 

  279. <li class="toctree-l2"><a class="reference internal" href="../general/urls.html">CodeIgniter URLs</a></li>
    280. 

  280. <li class="toctree-l2"><a class="reference internal" href="../general/controllers.html">Controllers</a></li>
    281. 

  281. <li class="toctree-l2"><a class="reference internal" href="../general/reserved_names.html">Reserved Names</a></li>
    282. 

  282. <li class="toctree-l2"><a class="reference internal" href="../general/views.html">Views</a></li>
    283. 

  283. <li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li>
    284. 

  284. <li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li>
    285. 

  285. <li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li>
    286. 

  286. <li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li>
    287. 

  287. <li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li>
    288. 

  288. <li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li>
    289. 

  289. <li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li>
    290. 

  290. <li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li>
    291. 

  291. <li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li>
    292. 

  292. <li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li>
    293. 

  293. <li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
    294. 

  294. <li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li>
    295. 

  295. <li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li>
    296. 

  296. <li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
    297. 

  297. <li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li>
    298. 

  298. <li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li>
    299. 

  299. <li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
    300. 

  300. <li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li>
    301. 

  301. <li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li>
    302. 

  302. <li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
    303. 

  303. <li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li>
    304. 

  304. <li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
    305. 

  305. </ul>
    306. 

  306. </li>
    307. 

  307. </ul>
    308. 

  308. <ul class="current">
    309. 

  309. <li class="toctree-l1 current"><a class="reference internal" href="index.html">Libraries</a><ul class="current">
    310. 

  310. <li class="toctree-l2"><a class="reference internal" href="benchmark.html">Benchmarking Class</a></li>
    311. 

  311. <li class="toctree-l2"><a class="reference internal" href="caching.html">Caching Driver</a></li>
    312. 

  312. <li class="toctree-l2"><a class="reference internal" href="calendar.html">Calendaring Class</a></li>
    313. 

  313. <li class="toctree-l2"><a class="reference internal" href="cart.html">Shopping Cart Class</a></li>
    314. 

  314. <li class="toctree-l2"><a class="reference internal" href="config.html">Config Class</a></li>
    315. 

  315. <li class="toctree-l2"><a class="reference internal" href="email.html">Email Class</a></li>
    316. 

  316. <li class="toctree-l2"><a class="reference internal" href="encrypt.html">Encrypt Class</a></li>
    317. 

  317. <li class="toctree-l2"><a class="reference internal" href="encryption.html">Encryption Library</a></li>
    318. 

  318. <li class="toctree-l2"><a class="reference internal" href="file_uploading.html">File Uploading Class</a></li>
    319. 

  319. <li class="toctree-l2"><a class="reference internal" href="form_validation.html">Form Validation</a></li>
    320. 

  320. <li class="toctree-l2"><a class="reference internal" href="ftp.html">FTP Class</a></li>
    321. 

  321. <li class="toctree-l2"><a class="reference internal" href="image_lib.html">Image Manipulation Class</a></li>
    322. 

  322. <li class="toctree-l2"><a class="reference internal" href="input.html">Input Class</a></li>
    323. 

  323. <li class="toctree-l2"><a class="reference internal" href="javascript.html">Javascript Class</a></li>
    324. 

  324. <li class="toctree-l2"><a class="reference internal" href="language.html">Language Class</a></li>
    325. 

  325. <li class="toctree-l2"><a class="reference internal" href="loader.html">Loader Class</a></li>
    326. 

  326. <li class="toctree-l2"><a class="reference internal" href="migration.html">Migrations Class</a></li>
    327. 

  327. <li class="toctree-l2"><a class="reference internal" href="output.html">Output Class</a></li>
    328. 

  328. <li class="toctree-l2"><a class="reference internal" href="pagination.html">Pagination Class</a></li>
    329. 

  329. <li class="toctree-l2 current"><a class="current reference internal" href="#">Template Parser Class</a></li>
    330. 

  330. <li class="toctree-l2"><a class="reference internal" href="security.html">Security Class</a></li>
    331. 

  331. <li class="toctree-l2"><a class="reference internal" href="sessions.html">Session Library</a></li>
    332. 

  332. <li class="toctree-l2"><a class="reference internal" href="table.html">HTML Table Class</a></li>
    333. 

  333. <li class="toctree-l2"><a class="reference internal" href="trackback.html">Trackback Class</a></li>
    334. 

  334. <li class="toctree-l2"><a class="reference internal" href="typography.html">Typography Class</a></li>
    335. 

  335. <li class="toctree-l2"><a class="reference internal" href="unit_testing.html">Unit Testing Class</a></li>
    336. 

  336. <li class="toctree-l2"><a class="reference internal" href="uri.html">URI Class</a></li>
    337. 

  337. <li class="toctree-l2"><a class="reference internal" href="user_agent.html">User Agent Class</a></li>
    338. 

  338. <li class="toctree-l2"><a class="reference internal" href="xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
    339. 

  339. <li class="toctree-l2"><a class="reference internal" href="zip.html">Zip Encoding Class</a></li>
    340. 

  340. </ul>
    341. 

  341. </li>
    342. 

  342. </ul>
    343. 

  343. <ul>
    344. 

  344. <li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
    345. 

  345. <li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
    346. 

  346. <li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
    347. 

  347. <li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li>
    348. 

  348. <li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
    349. 

  349. <li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
    350. 

  350. <li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
    351. 

  351. <li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
    352. 

  352. <li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
    353. 

  353. <li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
    354. 

  354. <li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li>
    355. 

  355. <li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li>
    356. 

  356. <li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li>
    357. 

  357. <li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li>
    358. 

  358. <li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
    359. 

  359. </ul>
    360. 

  360. </li>
    361. 

  361. </ul>
    362. 

  362. <ul>
    363. 

  363. <li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
    364. 

  364. <li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li>
    365. 

  365. <li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li>
    366. 

  366. <li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
    367. 

  367. <li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
    368. 

  368. <li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
    369. 

  369. <li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
    370. 

  370. <li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
    371. 

  371. <li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
    372. 

  372. <li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
    373. 

  373. <li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
    374. 

  374. <li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
    375. 

  375. <li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
    376. 

  376. <li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
    377. 

  377. <li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
    378. 

  378. <li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
    379. 

  379. <li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
    380. 

  380. <li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
    381. 

  381. <li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
    382. 

  382. <li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
    383. 

  383. <li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
    384. 

  384. <li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
    385. 

  385. </ul>
    386. 

  386. </li>
    387. 

  387. </ul>
    388. 

  388. 

  389.           
    390. 

  390.         
    391. 

  391.       </div>
    392. 

  392.       &nbsp;
    393. 

  393.     </nav>
    394. 

  394. 

  395.     <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
    396. 

  396. 

  397.       
    398. 

  398.       <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
    399. 

  399.         <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
    400. 

  400.         <a href="../index.html">CodeIgniter</a>
    401. 

  401.       </nav>
    402. 

  402. 

  403. 

  404.       
    405. 

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    409. 

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    410. 

  410.       
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  411.         <li><a href="index.html">Libraries</a> &raquo;</li>
    412. 

  412.       
    413. 

  413.     <li>Template Parser Class</li>
    414. 

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    415. 

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  418.       <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" />
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    423. 

  423.           <div role="main" class="document">
    424. 

  424.             
    425. 

  425.   <div class="section" id="template-parser-class">
    426. 

  426. <h1>Template Parser Class<a class="headerlink" href="#template-parser-class" title="Permalink to this headline">¶</a></h1>
    427. 

  427. <p>The Template Parser Class can perform simple text substitution for
    428. 

  428. pseudo-variables contained within your view files.
    429. 

  429. It can parse simple variables or variable tag pairs.</p>
    430. 

  430. <p>If you’ve never used a template engine,
    431. 

  431. pseudo-variable names are enclosed in braces, like this:</p>
    432. 

  432. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;</span><span class="nx">html</span><span class="o">&gt;</span>
    433. 

  433.         <span class="o">&lt;</span><span class="nx">head</span><span class="o">&gt;</span>
    434. 

  434.                 <span class="o">&lt;</span><span class="nx">title</span><span class="o">&gt;</span><span class="p">{</span><span class="nx">blog_title</span><span class="p">}</span><span class="o">&lt;/</span><span class="nx">title</span><span class="o">&gt;</span>
    435. 

  435.         <span class="o">&lt;/</span><span class="nx">head</span><span class="o">&gt;</span>
    436. 

  436.         <span class="o">&lt;</span><span class="nx">body</span><span class="o">&gt;</span>
    437. 

  437.                 <span class="o">&lt;</span><span class="nx">h3</span><span class="o">&gt;</span><span class="p">{</span><span class="nx">blog_heading</span><span class="p">}</span><span class="o">&lt;/</span><span class="nx">h3</span><span class="o">&gt;</span>
    438. 

  438. 

  439.         <span class="p">{</span><span class="nx">blog_entries</span><span class="p">}</span>
    440. 

  440.                 <span class="o">&lt;</span><span class="nx">h5</span><span class="o">&gt;</span><span class="p">{</span><span class="nx">title</span><span class="p">}</span><span class="o">&lt;/</span><span class="nx">h5</span><span class="o">&gt;</span>
    441. 

  441.                 <span class="o">&lt;</span><span class="nx">p</span><span class="o">&gt;</span><span class="p">{</span><span class="nx">body</span><span class="p">}</span><span class="o">&lt;/</span><span class="nx">p</span><span class="o">&gt;</span>
    442. 

  442.         <span class="p">{</span><span class="o">/</span><span class="nx">blog_entries</span><span class="p">}</span>
    443. 

  443. 

  444.         <span class="o">&lt;/</span><span class="nx">body</span><span class="o">&gt;</span>
    445. 

  445. <span class="o">&lt;/</span><span class="nx">html</span><span class="o">&gt;</span>
    446. 

  446. </pre></div>
    447. 

  447. </div>
    448. 

  448. <p>These variables are not actual PHP variables, but rather plain text
    449. 

  449. representations that allow you to eliminate PHP from your templates
    450. 

  450. (view files).</p>
    451. 

  451. <div class="admonition note">
    452. 

  452. <p class="first admonition-title">Note</p>
    453. 

  453. <p class="last">CodeIgniter does <strong>not</strong> require you to use this class since
    454. 

  454. using pure PHP in your view pages lets them run a little faster.
    455. 

  455. However, some developers prefer to use a template engine if
    456. 

  456. they work with designers who they feel would find some
    457. 

  457. confusion working with PHP.</p>
    458. 

  458. </div>
    459. 

  459. <div class="admonition important">
    460. 

  460. <p class="first admonition-title">Important</p>
    461. 

  461. <p class="last">The Template Parser Class is <strong>not</strong> a full-blown
    462. 

  462. template parsing solution. We’ve kept it very lean on purpose in order
    463. 

  463. to maintain maximum performance.</p>
    464. 

  464. </div>
    465. 

  465. <div class="contents local topic" id="contents">
    466. 

  466. <ul class="simple">
    467. 

  467. <li><a class="reference internal" href="#using-the-template-parser-class" id="id1">Using the Template Parser Class</a><ul>
    468. 

  468. <li><a class="reference internal" href="#initializing-the-class" id="id2">Initializing the Class</a></li>
    469. 

  469. <li><a class="reference internal" href="#parsing-templates" id="id3">Parsing templates</a></li>
    470. 

  470. <li><a class="reference internal" href="#variable-pairs" id="id4">Variable Pairs</a></li>
    471. 

  471. <li><a class="reference internal" href="#usage-notes" id="id5">Usage Notes</a></li>
    472. 

  472. <li><a class="reference internal" href="#view-fragments" id="id6">View Fragments</a></li>
    473. 

  473. </ul>
    474. 

  474. </li>
    475. 

  475. <li><a class="reference internal" href="#class-reference" id="id7">Class Reference</a></li>
    476. 

  476. </ul>
    477. 

  477. </div>
    478. 

  478. <div class="custom-index container"></div><div class="section" id="using-the-template-parser-class">
    479. 

  479. <h2><a class="toc-backref" href="#id1">Using the Template Parser Class</a><a class="headerlink" href="#using-the-template-parser-class" title="Permalink to this headline">¶</a></h2>
    480. 

  480. <div class="section" id="initializing-the-class">
    481. 

  481. <h3><a class="toc-backref" href="#id2">Initializing the Class</a><a class="headerlink" href="#initializing-the-class" title="Permalink to this headline">¶</a></h3>
    482. 

  482. <p>Like most other classes in CodeIgniter, the Parser class is initialized
    483. 

  483. in your controller using the <code class="docutils literal"><span class="pre">$this-&gt;load-&gt;library()</span></code> method:</p>
    484. 

  484. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">library</span><span class="p">(</span><span class="s1">&#39;parser&#39;</span><span class="p">);</span>
    485. 

  485. </pre></div>
    486. 

  486. </div>
    487. 

  487. <p>Once loaded, the Parser library object will be available using:
    488. 

  488. $this-&gt;parser</p>
    489. 

  489. </div>
    490. 

  490. <div class="section" id="parsing-templates">
    491. 

  491. <h3><a class="toc-backref" href="#id3">Parsing templates</a><a class="headerlink" href="#parsing-templates" title="Permalink to this headline">¶</a></h3>
    492. 

  492. <p>You can use the <code class="docutils literal"><span class="pre">parse()</span></code> method to parse (or render) simple templates,
    493. 

  493. like this:</p>
    494. 

  494. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    495. 

  495.         <span class="s1">&#39;blog_title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;My Blog Title&#39;</span><span class="p">,</span>
    496. 

  496.         <span class="s1">&#39;blog_heading&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;My Blog Heading&#39;</span>
    497. 

  497. <span class="p">);</span>
    498. 

  498. 

  499. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse</span><span class="p">(</span><span class="s1">&#39;blog_template&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
    500. 

  500. </pre></div>
    501. 

  501. </div>
    502. 

  502. <p>The first parameter contains the name of the <a class="reference internal" href="../general/views.html"><span class="doc">view
    503. 

  503. file</span></a> (in this example the file would be called
    504. 

  504. blog_template.php), and the second parameter contains an associative
    505. 

  505. array of data to be replaced in the template. In the above example, the
    506. 

  506. template would contain two variables: {blog_title} and {blog_heading}</p>
    507. 

  507. <p>There is no need to “echo” or do something with the data returned by
    508. 

  508. $this-&gt;parser-&gt;parse(). It is automatically passed to the output class
    509. 

  509. to be sent to the browser. However, if you do want the data returned
    510. 

  510. instead of sent to the output class you can pass TRUE (boolean) as the
    511. 

  511. third parameter:</p>
    512. 

  512. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$string</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse</span><span class="p">(</span><span class="s1">&#39;blog_template&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span>
    513. 

  513. </pre></div>
    514. 

  514. </div>
    515. 

  515. </div>
    516. 

  516. <div class="section" id="variable-pairs">
    517. 

  517. <h3><a class="toc-backref" href="#id4">Variable Pairs</a><a class="headerlink" href="#variable-pairs" title="Permalink to this headline">¶</a></h3>
    518. 

  518. <p>The above example code allows simple variables to be replaced. What if
    519. 

  519. you would like an entire block of variables to be repeated, with each
    520. 

  520. iteration containing new values? Consider the template example we showed
    521. 

  521. at the top of the page:</p>
    522. 

  522. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;</span><span class="nx">html</span><span class="o">&gt;</span>
    523. 

  523.         <span class="o">&lt;</span><span class="nx">head</span><span class="o">&gt;</span>
    524. 

  524.                 <span class="o">&lt;</span><span class="nx">title</span><span class="o">&gt;</span><span class="p">{</span><span class="nx">blog_title</span><span class="p">}</span><span class="o">&lt;/</span><span class="nx">title</span><span class="o">&gt;</span>
    525. 

  525.         <span class="o">&lt;/</span><span class="nx">head</span><span class="o">&gt;</span>
    526. 

  526.         <span class="o">&lt;</span><span class="nx">body</span><span class="o">&gt;</span>
    527. 

  527.                 <span class="o">&lt;</span><span class="nx">h3</span><span class="o">&gt;</span><span class="p">{</span><span class="nx">blog_heading</span><span class="p">}</span><span class="o">&lt;/</span><span class="nx">h3</span><span class="o">&gt;</span>
    528. 

  528. 

  529.         <span class="p">{</span><span class="nx">blog_entries</span><span class="p">}</span>
    530. 

  530.                 <span class="o">&lt;</span><span class="nx">h5</span><span class="o">&gt;</span><span class="p">{</span><span class="nx">title</span><span class="p">}</span><span class="o">&lt;/</span><span class="nx">h5</span><span class="o">&gt;</span>
    531. 

  531.                 <span class="o">&lt;</span><span class="nx">p</span><span class="o">&gt;</span><span class="p">{</span><span class="nx">body</span><span class="p">}</span><span class="o">&lt;/</span><span class="nx">p</span><span class="o">&gt;</span>
    532. 

  532.         <span class="p">{</span><span class="o">/</span><span class="nx">blog_entries</span><span class="p">}</span>
    533. 

  533. 

  534.         <span class="o">&lt;/</span><span class="nx">body</span><span class="o">&gt;</span>
    535. 

  535. <span class="o">&lt;/</span><span class="nx">html</span><span class="o">&gt;</span>
    536. 

  536. </pre></div>
    537. 

  537. </div>
    538. 

  538. <p>In the above code you’ll notice a pair of variables: {blog_entries}
    539. 

  539. data… {/blog_entries}. In a case like this, the entire chunk of data
    540. 

  540. between these pairs would be repeated multiple times, corresponding to
    541. 

  541. the number of rows in the “blog_entries” element of the parameters array.</p>
    542. 

  542. <p>Parsing variable pairs is done using the identical code shown above to
    543. 

  543. parse single variables, except, you will add a multi-dimensional array
    544. 

  544. corresponding to your variable pair data. Consider this example:</p>
    545. 

  545. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">library</span><span class="p">(</span><span class="s1">&#39;parser&#39;</span><span class="p">);</span>
    546. 

  546. 

  547. <span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    548. 

  548.         <span class="s1">&#39;blog_title&#39;</span>   <span class="o">=&gt;</span> <span class="s1">&#39;My Blog Title&#39;</span><span class="p">,</span>
    549. 

  549.         <span class="s1">&#39;blog_heading&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;My Blog Heading&#39;</span><span class="p">,</span>
    550. 

  550.         <span class="s1">&#39;blog_entries&#39;</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span>
    551. 

  551.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Title 1&#39;</span><span class="p">,</span> <span class="s1">&#39;body&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Body 1&#39;</span><span class="p">),</span>
    552. 

  552.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Title 2&#39;</span><span class="p">,</span> <span class="s1">&#39;body&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Body 2&#39;</span><span class="p">),</span>
    553. 

  553.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Title 3&#39;</span><span class="p">,</span> <span class="s1">&#39;body&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Body 3&#39;</span><span class="p">),</span>
    554. 

  554.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Title 4&#39;</span><span class="p">,</span> <span class="s1">&#39;body&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Body 4&#39;</span><span class="p">),</span>
    555. 

  555.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Title 5&#39;</span><span class="p">,</span> <span class="s1">&#39;body&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Body 5&#39;</span><span class="p">)</span>
    556. 

  556.         <span class="p">)</span>
    557. 

  557. <span class="p">);</span>
    558. 

  558. 

  559. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse</span><span class="p">(</span><span class="s1">&#39;blog_template&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
    560. 

  560. </pre></div>
    561. 

  561. </div>
    562. 

  562. <p>If your “pair” data is coming from a database result, which is already a
    563. 

  563. multi-dimensional array, you can simply use the database <code class="docutils literal"><span class="pre">result_array()</span></code>
    564. 

  564. method:</p>
    565. 

  565. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">db</span><span class="o">-&gt;</span><span class="na">query</span><span class="p">(</span><span class="s2">&quot;SELECT * FROM blog&quot;</span><span class="p">);</span>
    566. 

  566. 

  567. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">library</span><span class="p">(</span><span class="s1">&#39;parser&#39;</span><span class="p">);</span>
    568. 

  568. 

  569. <span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    570. 

  570.         <span class="s1">&#39;blog_title&#39;</span>   <span class="o">=&gt;</span> <span class="s1">&#39;My Blog Title&#39;</span><span class="p">,</span>
    571. 

  571.         <span class="s1">&#39;blog_heading&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;My Blog Heading&#39;</span><span class="p">,</span>
    572. 

  572.         <span class="s1">&#39;blog_entries&#39;</span> <span class="o">=&gt;</span> <span class="nv">$query</span><span class="o">-&gt;</span><span class="na">result_array</span><span class="p">()</span>
    573. 

  573. <span class="p">);</span>
    574. 

  574. 

  575. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse</span><span class="p">(</span><span class="s1">&#39;blog_template&#39;</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
    576. 

  576. </pre></div>
    577. 

  577. </div>
    578. 

  578. </div>
    579. 

  579. <div class="section" id="usage-notes">
    580. 

  580. <h3><a class="toc-backref" href="#id5">Usage Notes</a><a class="headerlink" href="#usage-notes" title="Permalink to this headline">¶</a></h3>
    581. 

  581. <p>If you include substitution parameters that are not referenced in your
    582. 

  582. template, they are ignored:</p>
    583. 

  583. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$template</span> <span class="o">=</span> <span class="s1">&#39;Hello, {firstname} {lastname}&#39;</span><span class="p">;</span>
    584. 

  584. <span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    585. 

  585.         <span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Mr&#39;</span><span class="p">,</span>
    586. 

  586.         <span class="s1">&#39;firstname&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;John&#39;</span><span class="p">,</span>
    587. 

  587.         <span class="s1">&#39;lastname&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Doe&#39;</span>
    588. 

  588. <span class="p">);</span>
    589. 

  589. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse_string</span><span class="p">(</span><span class="nv">$template</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
    590. 

  590. 

  591. <span class="c1">// Result: Hello, John Doe</span>
    592. 

  592. </pre></div>
    593. 

  593. </div>
    594. 

  594. <p>If you do not include a substitution parameter that is referenced in your
    595. 

  595. template, the original pseudo-variable is shown in the result:</p>
    596. 

  596. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$template</span> <span class="o">=</span> <span class="s1">&#39;Hello, {firstname} {initials} {lastname}&#39;</span><span class="p">;</span>
    597. 

  597. <span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    598. 

  598.         <span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Mr&#39;</span><span class="p">,</span>
    599. 

  599.         <span class="s1">&#39;firstname&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;John&#39;</span><span class="p">,</span>
    600. 

  600.         <span class="s1">&#39;lastname&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Doe&#39;</span>
    601. 

  601. <span class="p">);</span>
    602. 

  602. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse_string</span><span class="p">(</span><span class="nv">$template</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
    603. 

  603. 

  604. <span class="c1">// Result: Hello, John {initials} Doe</span>
    605. 

  605. </pre></div>
    606. 

  606. </div>
    607. 

  607. <p>If you provide a string substitution parameter when an array is expected,
    608. 

  608. i.e. for a variable pair, the substitution is done for the opening variable
    609. 

  609. pair tag, but the closing variable pair tag is not rendered properly:</p>
    610. 

  610. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$template</span> <span class="o">=</span> <span class="s1">&#39;Hello, {firstname} {lastname} ({degrees}{degree} {/degrees})&#39;</span><span class="p">;</span>
    611. 

  611. <span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    612. 

  612.         <span class="s1">&#39;degrees&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Mr&#39;</span><span class="p">,</span>
    613. 

  613.         <span class="s1">&#39;firstname&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;John&#39;</span><span class="p">,</span>
    614. 

  614.         <span class="s1">&#39;lastname&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Doe&#39;</span><span class="p">,</span>
    615. 

  615.         <span class="s1">&#39;titles&#39;</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span>
    616. 

  616.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;degree&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;BSc&#39;</span><span class="p">),</span>
    617. 

  617.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;degree&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;PhD&#39;</span><span class="p">)</span>
    618. 

  618.         <span class="p">)</span>
    619. 

  619. <span class="p">);</span>
    620. 

  620. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse_string</span><span class="p">(</span><span class="nv">$template</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
    621. 

  621. 

  622. <span class="c1">// Result: Hello, John Doe (Mr{degree} {/degrees})</span>
    623. 

  623. </pre></div>
    624. 

  624. </div>
    625. 

  625. <p>If you name one of your individual substitution parameters the same as one
    626. 

  626. used inside a variable pair, the results may not be as expected:</p>
    627. 

  627. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$template</span> <span class="o">=</span> <span class="s1">&#39;Hello, {firstname} {lastname} ({degrees}{degree} {/degrees})&#39;</span><span class="p">;</span>
    628. 

  628. <span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    629. 

  629.         <span class="s1">&#39;degree&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Mr&#39;</span><span class="p">,</span>
    630. 

  630.         <span class="s1">&#39;firstname&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;John&#39;</span><span class="p">,</span>
    631. 

  631.         <span class="s1">&#39;lastname&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Doe&#39;</span><span class="p">,</span>
    632. 

  632.         <span class="s1">&#39;degrees&#39;</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span>
    633. 

  633.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;degree&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;BSc&#39;</span><span class="p">),</span>
    634. 

  634.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;degree&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;PhD&#39;</span><span class="p">)</span>
    635. 

  635.         <span class="p">)</span>
    636. 

  636. <span class="p">);</span>
    637. 

  637. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse_string</span><span class="p">(</span><span class="nv">$template</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
    638. 

  638. 

  639. <span class="c1">// Result: Hello, John Doe (Mr Mr )</span>
    640. 

  640. </pre></div>
    641. 

  641. </div>
    642. 

  642. </div>
    643. 

  643. <div class="section" id="view-fragments">
    644. 

  644. <h3><a class="toc-backref" href="#id6">View Fragments</a><a class="headerlink" href="#view-fragments" title="Permalink to this headline">¶</a></h3>
    645. 

  645. <p>You do not have to use variable pairs to get the effect of iteration in
    646. 

  646. your views. It is possible to use a view fragment for what would be inside
    647. 

  647. a variable pair, and to control the iteration in your controller instead
    648. 

  648. of in the view.</p>
    649. 

  649. <p>An example with the iteration controlled in the view:</p>
    650. 

  650. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$template</span> <span class="o">=</span> <span class="s1">&#39;&lt;ul&gt;{menuitems}</span>
    651. 

  651. <span class="s1">        &lt;li&gt;&lt;a href=&quot;{link}&quot;&gt;{title}&lt;/a&gt;&lt;/li&gt;</span>
    652. 

  652. <span class="s1">{/menuitems}&lt;/ul&gt;&#39;</span><span class="p">;</span>
    653. 

  653. 

  654. <span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    655. 

  655.         <span class="s1">&#39;menuitems&#39;</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span>
    656. 

  656.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;First Link&#39;</span><span class="p">,</span> <span class="s1">&#39;link&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;/first&#39;</span><span class="p">),</span>
    657. 

  657.                 <span class="k">array</span><span class="p">(</span><span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Second Link&#39;</span><span class="p">,</span> <span class="s1">&#39;link&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;/second&#39;</span><span class="p">),</span>
    658. 

  658.         <span class="p">)</span>
    659. 

  659. <span class="p">);</span>
    660. 

  660. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse_string</span><span class="p">(</span><span class="nv">$template</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
    661. 

  661. </pre></div>
    662. 

  662. </div>
    663. 

  663. <p>Result:</p>
    664. 

  664. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;</span><span class="nx">ul</span><span class="o">&gt;</span>
    665. 

  665.         <span class="o">&lt;</span><span class="nx">li</span><span class="o">&gt;&lt;</span><span class="nx">a</span> <span class="nx">href</span><span class="o">=</span><span class="s2">&quot;/first&quot;</span><span class="o">&gt;</span><span class="nx">First</span> <span class="nx">Link</span><span class="o">&lt;/</span><span class="nx">a</span><span class="o">&gt;&lt;/</span><span class="nx">li</span><span class="o">&gt;</span>
    666. 

  666.         <span class="o">&lt;</span><span class="nx">li</span><span class="o">&gt;&lt;</span><span class="nx">a</span> <span class="nx">href</span><span class="o">=</span><span class="s2">&quot;/second&quot;</span><span class="o">&gt;</span><span class="nx">Second</span> <span class="nx">Link</span><span class="o">&lt;/</span><span class="nx">a</span><span class="o">&gt;&lt;/</span><span class="nx">li</span><span class="o">&gt;</span>
    667. 

  667. <span class="o">&lt;/</span><span class="nx">ul</span><span class="o">&gt;</span>
    668. 

  668. </pre></div>
    669. 

  669. </div>
    670. 

  670. <p>An example with the iteration controlled in the controller,
    671. 

  671. using a view fragment:</p>
    672. 

  672. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$temp</span> <span class="o">=</span> <span class="s1">&#39;&#39;</span><span class="p">;</span>
    673. 

  673. <span class="nv">$template1</span> <span class="o">=</span> <span class="s1">&#39;&lt;li&gt;&lt;a href=&quot;{link}&quot;&gt;{title}&lt;/a&gt;&lt;/li&gt;&#39;</span><span class="p">;</span>
    674. 

  674. <span class="nv">$data1</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    675. 

  675.         <span class="k">array</span><span class="p">(</span><span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;First Link&#39;</span><span class="p">,</span> <span class="s1">&#39;link&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;/first&#39;</span><span class="p">),</span>
    676. 

  676.         <span class="k">array</span><span class="p">(</span><span class="s1">&#39;title&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;Second Link&#39;</span><span class="p">,</span> <span class="s1">&#39;link&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;/second&#39;</span><span class="p">),</span>
    677. 

  677. <span class="p">);</span>
    678. 

  678. 

  679. <span class="k">foreach</span> <span class="p">(</span><span class="nv">$data1</span> <span class="k">as</span> <span class="nv">$menuitem</span><span class="p">)</span>
    680. 

  680. <span class="p">{</span>
    681. 

  681.         <span class="nv">$temp</span> <span class="o">.=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse_string</span><span class="p">(</span><span class="nv">$template1</span><span class="p">,</span> <span class="nv">$menuitem</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span>
    682. 

  682. <span class="p">}</span>
    683. 

  683. 

  684. <span class="nv">$template</span> <span class="o">=</span> <span class="s1">&#39;&lt;ul&gt;{menuitems}&lt;/ul&gt;&#39;</span><span class="p">;</span>
    685. 

  685. <span class="nv">$data</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
    686. 

  686.         <span class="s1">&#39;menuitems&#39;</span> <span class="o">=&gt;</span> <span class="nv">$temp</span>
    687. 

  687. <span class="p">);</span>
    688. 

  688. <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">parser</span><span class="o">-&gt;</span><span class="na">parse_string</span><span class="p">(</span><span class="nv">$template</span><span class="p">,</span> <span class="nv">$data</span><span class="p">);</span>
    689. 

  689. </pre></div>
    690. 

  690. </div>
    691. 

  691. <p>Result:</p>
    692. 

  692. <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o">&lt;</span><span class="nx">ul</span><span class="o">&gt;</span>
    693. 

  693.         <span class="o">&lt;</span><span class="nx">li</span><span class="o">&gt;&lt;</span><span class="nx">a</span> <span class="nx">href</span><span class="o">=</span><span class="s2">&quot;/first&quot;</span><span class="o">&gt;</span><span class="nx">First</span> <span class="nx">Link</span><span class="o">&lt;/</span><span class="nx">a</span><span class="o">&gt;&lt;/</span><span class="nx">li</span><span class="o">&gt;</span>
    694. 

  694.         <span class="o">&lt;</span><span class="nx">li</span><span class="o">&gt;&lt;</span><span class="nx">a</span> <span class="nx">href</span><span class="o">=</span><span class="s2">&quot;/second&quot;</span><span class="o">&gt;</span><span class="nx">Second</span> <span class="nx">Link</span><span class="o">&lt;/</span><span class="nx">a</span><span class="o">&gt;&lt;/</span><span class="nx">li</span><span class="o">&gt;</span>
    695. 

  695. <span class="o">&lt;/</span><span class="nx">ul</span><span class="o">&gt;</span>
    696. 

  696. </pre></div>
    697. 

  697. </div>
    698. 

  698. </div>
    699. 

  699. </div>
    700. 

  700. <div class="section" id="class-reference">
    701. 

  701. <h2><a class="toc-backref" href="#id7">Class Reference</a><a class="headerlink" href="#class-reference" title="Permalink to this headline">¶</a></h2>
    702. 

  702. <dl class="class">
    703. 

  703. <dt id="CI_Parser">
    704. 

  704. <em class="property">class </em><code class="descname">CI_Parser</code><a class="headerlink" href="#CI_Parser" title="Permalink to this definition">¶</a></dt>
    705. 

  705. <dd><dl class="method">
    706. 

  706. <dt id="CI_Parser::parse">
    707. 

  707. <code class="descname">parse</code><span class="sig-paren">(</span><em>$template</em>, <em>$data</em><span class="optional">[</span>, <em>$return = FALSE</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Parser::parse" title="Permalink to this definition">¶</a></dt>
    708. 

  708. <dd><table class="docutils field-list" frame="void" rules="none">
    709. 

  709. <col class="field-name" />
    710. 

  710. <col class="field-body" />
    711. 

  711. <tbody valign="top">
    712. 

  712. <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
    713. 

  713. <li><strong>$template</strong> (<em>string</em>) – Path to view file</li>
    714. 

  714. <li><strong>$data</strong> (<em>array</em>) – Variable data</li>
    715. 

  715. <li><strong>$return</strong> (<em>bool</em>) – Whether to only return the parsed template</li>
    716. 

  716. </ul>
    717. 

  717. </td>
    718. 

  718. </tr>
    719. 

  719. <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Parsed template string</p>
    720. 

  720. </td>
    721. 

  721. </tr>
    722. 

  722. <tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
    723. 

  723. </td>
    724. 

  724. </tr>
    725. 

  725. </tbody>
    726. 

  726. </table>
    727. 

  727. <p>Parses a template from the provided path and variables.</p>
    728. 

  728. </dd></dl>
    729. 

  729. 

  730. <dl class="method">
    731. 

  731. <dt id="CI_Parser::parse_string">
    732. 

  732. <code class="descname">parse_string</code><span class="sig-paren">(</span><em>$template</em>, <em>$data</em><span class="optional">[</span>, <em>$return = FALSE</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Parser::parse_string" title="Permalink to this definition">¶</a></dt>
    733. 

  733. <dd><table class="docutils field-list" frame="void" rules="none">
    734. 

  734. <col class="field-name" />
    735. 

  735. <col class="field-body" />
    736. 

  736. <tbody valign="top">
    737. 

  737. <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
    738. 

  738. <li><strong>$template</strong> (<em>string</em>) – Path to view file</li>
    739. 

  739. <li><strong>$data</strong> (<em>array</em>) – Variable data</li>
    740. 

  740. <li><strong>$return</strong> (<em>bool</em>) – Whether to only return the parsed template</li>
    741. 

  741. </ul>
    742. 

  742. </td>
    743. 

  743. </tr>
    744. 

  744. <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Parsed template string</p>
    745. 

  745. </td>
    746. 

  746. </tr>
    747. 

  747. <tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
    748. 

  748. </td>
    749. 

  749. </tr>
    750. 

  750. </tbody>
    751. 

  751. </table>
    752. 

  752. <p>This method works exactly like <code class="docutils literal"><span class="pre">parse()</span></code>, only it accepts
    753. 

  753. the template as a string instead of loading a view file.</p>
    754. 

  754. </dd></dl>
    755. 

  755. 

  756. <dl class="method">
    757. 

  757. <dt id="CI_Parser::set_delimiters">
    758. 

  758. <code class="descname">set_delimiters</code><span class="sig-paren">(</span><span class="optional">[</span><em>$l = '{'</em><span class="optional">[</span>, <em>$r = '}'</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Parser::set_delimiters" title="Permalink to this definition">¶</a></dt>
    759. 

  759. <dd><table class="docutils field-list" frame="void" rules="none">
    760. 

  760. <col class="field-name" />
    761. 

  761. <col class="field-body" />
    762. 

  762. <tbody valign="top">
    763. 

  763. <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
    764. 

  764. <li><strong>$l</strong> (<em>string</em>) – Left delimiter</li>
    765. 

  765. <li><strong>$r</strong> (<em>string</em>) – Right delimiter</li>
    766. 

  766. </ul>
    767. 

  767. </td>
    768. 

  768. </tr>
    769. 

  769. <tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">void</p>
    770. 

  770. </td>
    771. 

  771. </tr>
    772. 

  772. </tbody>
    773. 

  773. </table>
    774. 

  774. <p>Sets the delimiters (opening and closing) for a
    775. 

  775. pseudo-variable “tag” in a template.</p>
    776. 

  776. </dd></dl>
    777. 

  777. 

  778. </dd></dl>
    779. 

  779. 

  780. </div>
    781. 

  781. </div>
    782. 

  782. 

  783. 

  784.           </div>
    785. 

  785.           <footer>
    786. 

  786.   
    787. 

  787.     <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
    788. 

  788.       
    789. 

  789.         <a href="security.html" class="btn btn-neutral float-right" title="Security Class">Next <span class="fa fa-arrow-circle-right"></span></a>
    790. 

  790.       
    791. 

  791.       
    792. 

  792.         <a href="pagination.html" class="btn btn-neutral" title="Pagination Class"><span class="fa fa-arrow-circle-left"></span> Previous</a>
    793. 

  793.       
    794. 

  794.     </div>
    795. 

  795.   
    796. 

  796. 

  797.   <hr/>
    798. 

  798. 

  799.   <div role="contentinfo">
    800. 

  800.     <p>
    801. 

  801.         &copy; Copyright 2014 - 2019, British Columbia Institute of Technology.
    802. 

  802.       Last updated on Sep 19, 2019.
    803. 

  803.     </p>
    804. 

  804.   </div>
    805. 

  805. 

  806.   Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
    807. 

  807.   
    808. 

  808. </footer>
    809. 

  809.         </div>
    810. 

  810.       </div>
    811. 

  811. 

  812.     </section>
    813. 

  813. 

  814.   </div>
    815. 

  815.   
    816. 

  816. 

  817. 

  818.   
    819. 

  819. 

  820.     <script type="text/javascript">
    821. 

  821.         var DOCUMENTATION_OPTIONS = {
    822. 

  822.             URL_ROOT:'../',
    823. 

  823.             VERSION:'3.1.11',
    824. 

  824.             COLLAPSE_INDEX:false,
    825. 

  825.             FILE_SUFFIX:'.html',
    826. 

  826.             HAS_SOURCE:  false
    827. 

  827.         };
    828. 

  828.     </script>
    829. 

  829.       <script type="text/javascript" src="../_static/jquery.js"></script>
    830. 

  830.       <script type="text/javascript" src="../_static/underscore.js"></script>
    831. 

  831.       <script type="text/javascript" src="../_static/doctools.js"></script>
    832. 

  832. 

  833.   
    834. 

  834. 

  835.   
    836. 

  836.   
    837. 

  837.     <script type="text/javascript" src="../_static/js/theme.js"></script>
    838. 

  838.   
    839. 

  839. 

  840.   
    841. 

  841.   
    842. 

  842.   <script type="text/javascript">
    843. 

  843.       jQuery(function () {
    844. 

  844.           SphinxRtdTheme.StickyNav.enable();
    845. 

  845.       });
    846. 

  846.   </script>
    847. 

  847.    
    848. 

  848. 

  849. </body>
    850. 

  850. </html>
    851.