PhpSpreadsheet/docs/Examples/Reading WorkBook Data/exampleWorkBookReader02.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" />
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<title>PhpSpreadsheet Reading WorkBook Data Example #02</title>
</head>
<body>
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<h1>PhpSpreadsheet Reading WorkBook Data Example #02</h1>
<h2>Read a list of Custom Properties for a WorkBook</h2>
<?php
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require_once __DIR__ . '/../../../src/Bootstrap.php';
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$inputFileType = 'Xlsx';
$inputFileName = './sampleData/example1.xlsx';
/* Create a new Reader of the type defined in $inputFileType **/
$reader = \PhpOffice\PhpSpreadsheet\IOFactory::createReader($inputFileType);
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/* Load $inputFileName to a PhpSpreadsheet Object **/
$spreadsheet = $reader->load($inputFileName);
echo '<hr />';
/* Read an array list of any custom properties for this document **/
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$customPropertyList = $spreadsheet->getProperties()->getCustomProperties();
echo '<b>Custom Property names: </b><br />';
foreach ($customPropertyList as $customPropertyName) {
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echo $customPropertyName, '<br />';
}
?>
<body>
</html>