3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php array_keys('a' => array());
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/fKbDl on line 4
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_DOUBLE_ARROW in /in/fKbDl on line 4
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_DOUBLE_ARROW in /in/fKbDl on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fKbDl on line 4
Process exited with code 255.