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run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = "Some long tokenisable string"; preg_match("/[\p{N}\p{L}]+/giu", $string, $splitTokens); var_dump($splitTokens);
based on HtI25
Output for 5.2.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Unknown modifier 'g' in /in/mMrC5 on line 3 NULL
Output for hhvm-3.12.0
Warning: Unknown modifier 'g': [/[\p{N}\p{L}]+/giu] in /in/mMrC5 on line 3 NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.11 - 5.1.6
Warning: preg_match(): Unknown modifier 'g' in /in/mMrC5 on line 3 array(0) { }
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier 'g' in /in/mMrC5 on line 3 array(0) { }