3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class st { public static function test() { return 'test'; } } $command = 'test'; $test = $test; print st::${$command}();
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: test in /in/oZ88H on line 10 Fatal error: Uncaught Error: Function name must be a string in /in/oZ88H:11 Stack trace: #0 {main} thrown in /in/oZ88H on line 11
Process exited with code 255.
Output for 5.0.4 - 5.6.28, hhvm-3.12.0
Notice: Undefined variable: test in /in/oZ88H on line 10 Fatal error: Function name must be a string in /in/oZ88H on line 11
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: test in /in/oZ88H on line 10 Fatal error: Function name must be a string in /in/oZ88H 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/oZ88H 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/oZ88H 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/oZ88H on line 4
Process exited with code 255.