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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('!https?:\/\/.+!')); ?>
Output for 4.3.3 - 7.1.0
Warning: preg_match() expects at least 2 parameters, 1 given in /in/JXe6v on line 1 bool(false)
Output for 4.3.0 - 4.3.2
Warning: Wrong parameter count for preg_match() in /in/JXe6v on line 1 NULL