3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace Test; class X extends \DateTime { } $a = new \DateTime(); $b = new X(); var_export(is_a($a, 'DateTime')); var_export(is_a($b, 'DateTime'));
based on CYv38
Output for 5.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
truetrue
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/jkrWK 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 T_STRING in /in/jkrWK on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/jkrWK on line 2
Process exited with code 255.