PdfDate.php

<?php
 
namespace Mpdf\Utils;
 
class PdfDate
{
 
/**
 * PDF documents use the internal date format: (D:YYYYMMDDHHmmSSOHH'mm'). The date format has these parts:
 *
 * YYYY The full four-digit year. (For example, 2004)
 * MM The month from 01 to 12.
 * DD The day from 01 to 31.
 * HH The hour from 00 to 23.
 * mm The minute from 00 to 59.
 * SS The seconds from 00 to 59.
 * O The relationship of local time to Universal Time (UT), as denoted by one of the characters +, -, or Z.
 * HH The absolute value of the offset from UT in hours specified as 00 to 23.
 * mm The absolute value of the offset from UT in minutes specified as 00 to 59.
 *
 * @return string
 */
public static function format($date)
{
$z = date('O'); // +0200
$offset = substr($z, 0, 3) . "'" . substr($z, 3, 2) . "'"; // +02'00'
return date('YmdHis', $date) . $offset;
}
 
}