| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576 | <?phperror_reporting(E_ALL);set_time_limit(0);date_default_timezone_set('Europe/London');?><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>PHPExcel Calculation Examples</title></head><body><h1>DATEVALUE</h1><h2>Converts a date in the form of text to a serial number.</h2><?php/** Include path **/set_include_path(get_include_path() . PATH_SEPARATOR . '../../../../Classes/');/** Include PHPExcel */include 'PHPExcel.php';// Create new PHPExcel object$objPHPExcel = new PHPExcel();$worksheet = $objPHPExcel->getActiveSheet();// Add some data$testDates = array(	'26 March 2012',	'29 Feb 2012',	'April 1, 2012',	'25/12/2012',					'2012-Oct-31',		'5th November',	'January 1st',		'April 2012',					'17-03',			'03-2012',		'29 Feb 2011',		'03-05-07',					'03-MAY-07',		'03-13-07',				  );$testDateCount = count($testDates);for($row = 1; $row <= $testDateCount; ++$row) {	$worksheet->setCellValue('A'.$row, $testDates[$row-1]);	$worksheet->setCellValue('B'.$row, '=DATEVALUE(A'.$row.')');	$worksheet->setCellValue('C'.$row, '=B'.$row);}$worksheet->getStyle('C1:C'.$testDateCount)          ->getNumberFormat()          ->setFormatCode('yyyy-mmm-dd');echo '<hr />';// Test the formulae?><p><strong>Warning: </strong>The PHPExcel DATEVALUE() function accepts a wider range of date formats than MS Excel's DATEFORMAT() function.</p><table border="1" cellspacing="0">	<tr>		<th>Date String</th>		<th>Formula</th>		<th>Excel DateStamp</th>		<th>Formatted DateStamp</th>	</tr>	<?php	for ($row = 1; $row <= $testDateCount; ++$row) {		echo '<tr>';		    echo '<td>' , $worksheet->getCell('A'.$row)->getFormattedValue() , '</td>';			echo '<td>' , $worksheet->getCell('B'.$row)->getValue() , '</td>';			echo '<td>' , $worksheet->getCell('B'.$row)->getFormattedValue() , '</td>';			echo '<td>' , $worksheet->getCell('C'.$row)->getFormattedValue() , '</td>';		echo '</tr>';	}	?></table>
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