3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { public function who() { echo "A\n"; } } class B extends A { public function who() { echo "B\n"; } } var_dump(call_user_func(['B', 'parent::newInstance']));
Output for 5.4.0 - 7.2.0
Warning: call_user_func() expects parameter 1 to be a valid callback, class 'A' does not have a method 'newInstance' in /in/kafoj on line 11 NULL
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/kafoj on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/kafoj on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/kafoj on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/kafoj on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/kafoj on line 4
Process exited with code 255.