<?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>TIMEVALUE</h1> <h2>Converts a time 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( '3:15', '13:15', '15:15:15', '3:15 AM', '3:15 PM', '5PM', '9:15AM', '13:15AM' ); $testDateCount = count($testDates); for($row = 1; $row <= $testDateCount; ++$row) { $worksheet->setCellValue('A'.$row, $testDates[$row-1]); $worksheet->setCellValue('B'.$row, '=TIMEVALUE(A'.$row.')'); $worksheet->setCellValue('C'.$row, '=B'.$row); } $worksheet->getStyle('C1:C'.$testDateCount) ->getNumberFormat() ->setFormatCode('hh:mm:ss'); echo '<hr />'; // Test the formulae ?> <table border="1" cellspacing="0"> <tr> <th>Time String</th> <th>Formula</th> <th>Excel TimeStamp</th> <th>Formatted TimeStamp</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>