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run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { static public function instance () { echo 'hi'; return new self(); } } $method = 'foo'; var_dump( call_user_func( $method . '.::instance' ) );
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: call_user_func() expects parameter 1 to be a valid callback, class 'foo.' not found in /in/sai2i on line 9 NULL
Output for hhvm-3.10.0 - 3.12.0
Warning: Invalid argument: function: class not found in /in/sai2i on line 9 NULL
Output for 5.0.0 - 5.2.17
Warning: call_user_func(foo.::instance): First argument is expected to be a valid callback in /in/sai2i on line 9 NULL
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/sai2i on line 3
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_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/sai2i on line 3
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/sai2i on line 3
Process exited with code 255.