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run code in 200+ php & hhvm versions
<?php ini_set('mbstring.internal_encoding', 'UTF-8'); mb_regex_encoding('UTF-8'); var_dump(preg_split('|\B|', "abc")); var_dump(mb_split('\B', "abc"));
Output for 5.6.8 - 7.3.1
Deprecated: ini_set(): Use of mbstring.internal_encoding is deprecated in /in/fb4XN on line 2 array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } array(2) { [0]=> string(1) "a" [1]=> string(2) "bc" }
Output for 5.4.13 - 5.5.35
array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } array(2) { [0]=> string(1) "a" [1]=> string(2) "bc" }
Output for 4.3.4 - 5.4.12
array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } Warning: mb_split(): Empty regular expression in /in/fb4XN on line 6 array(1) { [0]=> string(3) "abc" }
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_regex_encoding() in /in/fb4XN 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/fb4XN on line 3