3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('e' => 22, 'r' => 66, 't' => 88); $b = array('t' => 65); array_walk($a, function(&$value) { $value = 'e ' + $value; print $value ."\n" }); print_r($a);
Output for 5.3.0 - 5.4.26
Parse error: syntax error, unexpected '}' in /in/6X5BQ on line 8
Process exited with code 255.