DATEVALUE.php
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<?php
error_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>