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run code in 150+ php & hhvm versions
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<?php mb_regex_encoding('UTF-8'); mb_internal_encoding("UTF-8"); $input = 'ФВКéÄoÄ'; print_r(mb_split('/(\X{1})/', $input));
based on frkD1
Output for 4.3.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => ФВКéÄoÄ )
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_regex_encoding() in /in/USgOg on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_regex_encoding() in /in/USgOg on line 3