3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $o = ['10' => 'foo', '30' => 23,'20' => 'bar']; foreach($o as $key => $value) { echo gettype($key), ' ==> ', $value, PHP_EOL; } based on hBVAu based on hBVAu based on hBVAu
based on v3LmQ
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected 'on' (T_STRING) in /in/GCpM5 on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/GCpM5 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/GCpM5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/GCpM5 on line 3
Process exited with code 255.