3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $filename1 = "[Study] - Walton, Charles E - 01-02-2012.txt"; $filename2 = "[Rx] - 01-02-2003 - Walton, Charles E.pdf"; $filename3 = "9-29-2014.pdf"; function validate_date($filename) { preg_match("/^(\D.*)(\d+-\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 $matches; } print_r (validate_date($filename3)); //print_r (validate_date($filename2));
based on MUiKJ
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 2 in /in/JOaCr on line 10 Notice: Undefined offset: 0 in /in/JOaCr on line 11 Notice: Undefined offset: 1 in /in/JOaCr on line 12 Notice: Undefined offset: 2 in /in/JOaCr on line 13 Notice: Undefined offset: 1 in /in/JOaCr on line 20 Notice: Undefined offset: 3 in /in/JOaCr on line 20 Array ( )
Output for hhvm-3.12.0
Notice: Undefined index: 2 in /in/JOaCr on line 10 Warning: explode() expects parameter 2 to be string, null given in /in/JOaCr on line 10 Notice: Undefined index: 0 in /in/JOaCr on line 11 Warning: str_pad() expects parameter 1 to be string, null given in /in/JOaCr on line 11 Notice: Undefined index: 1 in /in/JOaCr on line 12 Warning: str_pad() expects parameter 1 to be string, null given in /in/JOaCr on line 12 Notice: Undefined index: 2 in /in/JOaCr on line 13 Notice: Undefined index: 1 in /in/JOaCr on line 20 Notice: Undefined index: 3 in /in/JOaCr on line 20 Array ( )
Output for hhvm-3.10.0
Notice: Undefined index: 2 in /in/JOaCr on line 10 Notice: Undefined index: 0 in /in/JOaCr on line 11 Notice: Undefined index: 1 in /in/JOaCr on line 12 Notice: Undefined index: 2 in /in/JOaCr on line 13 Notice: Undefined index: 1 in /in/JOaCr on line 20 Notice: Undefined index: 3 in /in/JOaCr on line 20 Array ( )
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.2.17
Notice: Undefined offset: 2 in /in/JOaCr on line 10 Notice: Undefined offset: 0 in /in/JOaCr on line 11 Notice: Undefined offset: 1 in /in/JOaCr on line 12 Notice: Undefined offset: 2 in /in/JOaCr on line 13 Notice: Undefined offset: 1 in /in/JOaCr on line 20 Notice: Undefined offset: 3 in /in/JOaCr on line 20 Array ( )
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/JOaCr on line 27
Process exited with code 255.