3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Example { static $function; static function method() { self::$function(); } } function callback() {} Example::$function = 'callback'; Example::method();
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: function in /in/L9LvI on line 9 Fatal error: Uncaught Error: Function name must be a string in /in/L9LvI:9 Stack trace: #0 /in/L9LvI(16): Example::method() #1 {main} thrown in /in/L9LvI on line 9
Process exited with code 255.
Output for 5.0.4 - 5.6.28, hhvm-3.12.0
Notice: Undefined variable: function in /in/L9LvI on line 9 Fatal error: Function name must be a string in /in/L9LvI on line 9
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: function in /in/L9LvI on line 9 Fatal error: Function name must be a string in /in/L9LvI on line 9
Process exited with code 255.
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/L9LvI on line 5
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/L9LvI on line 5
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/L9LvI on line 5
Process exited with code 255.