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run code in 150+ php & hhvm versions
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<?php mb_regex_encoding("UTF-8"); mb_ereg_search_init('(ab(cd)ef)'); $a = mb_ereg_search_regs('\(.+\)', 'd'); $r = mb_ereg_search_getregs(); var_dump($r, $a);
Output for 4.3.4 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
array(1) { [0]=> string(10) "(ab(cd)ef)" } array(1) { [0]=> string(10) "(ab(cd)ef)" }
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_regex_encoding() in /in/aT9b9 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_regex_encoding() in /in/aT9b9 on line 2