3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $config = array( 'ciao' => 'come', 'va' => 'bene', 'tu' => 'ok' ); $configString = ' '; array_walk($config, function($value, $key) use($configString) { $configString .= $key . '=' . $value . ' '; }); echo $configString;
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/rqHGn on line 9
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 T_FUNCTION in /in/rqHGn on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/rqHGn on line 9
Process exited with code 255.