3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = [ 1, 2, 3, 4, 5 ]; foreach($a as $b) { if ($b == 1) { print "push"; $a[] = 6; } var_dump($b); } var_dump($a);
Output for 5.4.0 - 7.1.0
pushint(1) int(2) int(3) int(4) int(5) array(6) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/64MUC 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 '[' in /in/64MUC on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/64MUC on line 3
Process exited with code 255.