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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 JOaCr
Output for 7.1.0
Notice: A non well formed numeric value encountered in /in/Dun8q on line 17 Array ( [0] => 9-29-2014.pdf [1] => [2] => 9-29-2014 [3] => .pdf )
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
Array ( [0] => 9-29-2014.pdf [1] => [2] => 9-29-2014 [3] => .pdf )
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/Dun8q on line 27
Process exited with code 255.