<?php
use PhpOffice\PhpSpreadsheet\IOFactory;
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>PhpSpreadsheet Reader Example #18</title>
</head>
<body>
<h1>PhpSpreadsheet Reader Example #18</h1>
<h2>Reading list of WorkSheets without loading entire file</h2>
<?php
require_once __DIR__ . '/../../../src/Bootstrap.php';
$inputFileType = 'Xls';
$inputFileName = './sampleData/example1.xls';
echo 'Loading file ', pathinfo($inputFileName, PATHINFO_BASENAME), ' information using IOFactory with a defined reader type of ', $inputFileType, '<br />';
$reader = IOFactory::createReader($inputFileType);
$worksheetNames = $reader->listWorksheetNames($inputFileName);
echo '<h3>Worksheet Names</h3>';
echo '<ol>';
foreach ($worksheetNames as $worksheetName) {
echo '<li>', $worksheetName, '</li>';
}
echo '</ol>';
?>
<body>
</html>