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run code in 150+ php & hhvm versions
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<?php $str="do0Öiu"; print_r (mb_split("[^\w]", $str));
Output for 4.3.4 - 4.4.9, 5.3.0 - 7.1.0
Array ( [0] => do0Öiu )
Output for 5.0.0 - 5.2.17
Array ( [0] => do0 [1] => [2] => iu )
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_split() in /in/KpfMt on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_split() in /in/KpfMt on line 3