3v4l.org

run code in 300+ PHP versions simultaneously
<?php $filename1 = "Ruggeri, Nichole M. - 10-21-2014.pdf"; $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]); $month = str_pad($date_arr[0], 2, '0', STR_PAD_LEFT); $day = str_pad($date_arr[1], 2, '0', STR_PAD_LEFT); $year = $date_arr[2]; if ($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 $filename; } echo validate_date($filename1) . "\n"; echo validate_date($filename2) . "\n"; echo validate_date($filename3) . "\n"; //print_r (validate_date($filename1)); //print_r (validate_date($filename2)); //print_r (validate_date($filename3)); ?>

preferences:
52.19 ms | 402 KiB | 5 Q