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run code in 200+ php & hhvm versions
Bugs & Features
<?php function validateDate($date, $format = 'Y-m-d H:i:s') { $d = DateTime::createFromFormat($format, $date); return $d && $d->format($format) == $date; } print (is_date('10/12/2015'));
based on 8NKeI
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function is_date() in /in/FKbAF:9 Stack trace: #0 {main} thrown in /in/FKbAF on line 9
Process exited with code 255.
Output for 5.3.19 - 5.6.28
Fatal error: Call to undefined function is_date() in /in/FKbAF on line 9
Process exited with code 255.