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run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = "a b v f"; var_dump(preg_split("\s*\n\s*"));
Output for 5.3.20 - 7.3.0rc3
Warning: preg_split() expects at least 2 parameters, 1 given in /in/F8gmK on line 9 bool(false)