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run code in 150+ php & hhvm versions
Bugs & Features
<?php $header = array('test'); if (isset($header[0]['class']) key_exists('class', $header[0])) { echo 'set'; } else { echo 'not set'; }
based on DslWW
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'key_exists' (T_STRING) in /in/gaDuB on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/gaDuB 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 T_STRING in /in/gaDuB on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gaDuB on line 3
Process exited with code 255.