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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#`'; $r = '#([^#]*)#'; //$r = '#(?P<name>.*?)#'; //$r = '#(\w*)#'; //preg_match_all('/'.$r.'/m', $text, $m); //var_dump($m); function trad($v) { var_dump($v); } echo preg_replace_callback('/'.$r.'/m', 'trad', $text);
Output for 4.3.0 - 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" } My Name is "" and \r\n I am '' years old ``