3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "1,2,3"; $b = explode(',',$a); $c = array_reduce($b, function(&$result, $d) { return $result.=' cat-'.$a;});
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: a in /in/m1C0t on line 4 Notice: Undefined variable: a in /in/m1C0t on line 4 Notice: Undefined variable: a in /in/m1C0t on line 4
Output for 5.3.0 - 5.4.45
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/m1C0t on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_FUNCTION in <b>/in/m1C0t</b> on line <b>4</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_FUNCTION in <b>/in/m1C0t</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/m1C0t</b> on line <b>4</b><br />
Process exited with code 255.