3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $text = ['My Name ## is "#P_NAM3#" and \r\n', 'I am \'#P_AG2#\' years old `#abc#`']; //$r = '#(?P<name>.*?)#'; //$r = '#(\w*)#'; function trad($v) { var_dump($v); if($v[1] == '' || $v[1] == 'abc') return $v[1] . '_es'; return $v[1]; } echo preg_replace_callback('/#([^#]*)#/m', 'trad', $text);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> string(2) "##" [1]=> string(0) "" } array(2) { [0]=> string(8) "#P_NAM3#" [1]=> string(6) "P_NAM3" } array(2) { [0]=> string(7) "#P_AG2#" [1]=> string(5) "P_AG2" } array(2) { [0]=> string(5) "#abc#" [1]=> string(3) "abc" } Notice: Array to string conversion in /in/VD1XP on line 15 Array
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/VD1XP on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/VD1XP on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VD1XP on line 2
Process exited with code 255.