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run code in 150+ php & hhvm versions
Bugs & Features
<?php $reg = '/twitter.com/(\w+)/'; $web = 'http://twitter.com/dcavuotti'; $arrMatches = array(); if (preg_match($reg,$web, $arrMatches)){ var_dump($arrMatches); }
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Unknown modifier '(' in /in/sXlaf on line 6
Output for hhvm-3.12.0
Warning: Unknown modifier '(': [/twitter.com/(\w+)/] in /in/sXlaf on line 6
Output for hhvm-3.10.0
Warning: Unknown modifier '(': [/twitter.com/(\w+)/] in /in/sXlaf on line -1
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '(' in /in/sXlaf on line 6