3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump( preg_split( '//u', "A\xef\xbf\xbfB" ) );
Output for 5.0.0 - 5.3.23, 5.4.0 - 5.4.13, 5.4.41 - 5.4.45, 5.5.10 - 7.1.0
array(5) { [0]=> string(0) "" [1]=> string(1) "A" [2]=> string(3) "￿" [3]=> string(1) "B" [4]=> string(0) "" }
Output for 5.3.24 - 5.3.29, 5.4.14 - 5.4.40, 5.5.0 - 5.5.9
array(1) { [0]=> string(5) "A￿B" }
Output for 4.3.5 - 4.4.9
array(3) { [0]=> string(0) "" [1]=> string(1) "A" [2]=> string(4) "￿B" }
Output for 4.3.0 - 4.3.4
array(7) { [0]=> string(0) "" [1]=> string(1) "A" [2]=> string(1) "�" [3]=> string(1) "�" [4]=> string(1) "�" [5]=> string(1) "B" [6]=> string(0) "" }