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run code in 150+ php & hhvm versions
Bugs & Features
<?php $filename = "[Study] - Walton, Charles E 01-01-2012.txt"; function validate_date($filename) { preg_match("/(.*)(\d+-\d+-\d+)(.*)/",trim($filename),$matches); $date_arr = explode("-",$matches[2]); $month = str_pad($matches[0], 2, '0', STR_PAD_LEFT); $day = str_pad($matches[1], 2, '0', STR_PAD_LEFT); $year = $matches[2]; if ($year < 100) { if ($year > date("Y")+10) $year = $year + 1900; else $year = $year + 2000; } $date = $month . "-" . $day . "-" . $year; $filename = $matches[1] . $date . $matches[3]; return $filename; } echo validate_date($filename);
based on ITnDC
Output for 7.1.0
Notice: A non well formed numeric value encountered in /in/SIQTX on line 15 [Study] - Walton, Charles E 0[Study] - Walton, Charles E 01-01-2012.txt-[Study] - Walton, Charles E 0-2001.txt
Output for 4.3.0 - 7.0.14
[Study] - Walton, Charles E 0[Study] - Walton, Charles E 01-01-2012.txt-[Study] - Walton, Charles E 0-2001.txt