3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $variable = [1,2,3,4]; foreach ($variable as $key => &$value) $value ++; var_dump($variable);
Output for 5.4.0 - 7.1.0
array(4) { [0]=> int(2) [1]=> int(3) [2]=> int(4) [3]=> &int(5) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/L6V03 on line 2
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/L6V03 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/L6V03 on line 2
Process exited with code 255.