3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = 'The quick brown fox jumps over the lazy dog'; echo preg_replace_callback('/fox|dog/', function($matches){ $a = $matches[0]; return '=>'.$a[0].'...'.$a[strlen($a)-1].'<='; }, $str);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
The quick brown =>f...x<= jumps over the lazy =>d...g<=
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/fbq3W on line 3
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 T_FUNCTION in /in/fbq3W on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fbq3W on line 3
Process exited with code 255.