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<?php class Testme { public static function foo(&$ref) { $ref = 1; } } class Invoker { public static function invoke($func_name) { $trace = debug_backtrace(); $args = $trace[1]['args']; call_user_func_array(array('Testme', $func_name), $args); } } $test = 2; $testRef = &$test; Invoker::invoke('foo', $testRef); var_dump($test);
Output for 8.3.0 - 8.3.6
Warning: Undefined array key 1 in /in/1KURo on line 11 Warning: Trying to access array offset on null in /in/1KURo on line 11 Fatal error: Uncaught TypeError: call_user_func_array(): Argument #2 ($args) must be of type array, null given in /in/1KURo:12 Stack trace: #0 /in/1KURo(18): Invoker::invoke('foo', 2) #1 {main} thrown in /in/1KURo on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined array key 1 in /in/1KURo on line 11 Warning: Trying to access array offset on value of type null in /in/1KURo on line 11 Fatal error: Uncaught TypeError: call_user_func_array(): Argument #2 ($args) must be of type array, null given in /in/1KURo:12 Stack trace: #0 /in/1KURo(18): Invoker::invoke('foo', 2) #1 {main} thrown in /in/1KURo on line 12
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Undefined offset: 1 in /in/1KURo on line 11 Notice: Trying to access array offset on value of type null in /in/1KURo on line 11 Warning: call_user_func_array() expects parameter 2 to be array, null given in /in/1KURo on line 12 int(2)
Output for 7.3.32 - 7.3.33
Warning: call_user_func_array() expects parameter 2 to be array, null given in /in/1KURo on line 12 int(2)
Output for 5.3.28 - 5.3.29, 5.4.18 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.29 - 7.2.33, 7.3.12 - 7.3.31
Notice: Undefined offset: 1 in /in/1KURo on line 11 Warning: call_user_func_array() expects parameter 2 to be array, null given in /in/1KURo on line 12 int(2)
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.17
Notice: Undefined offset: 1 in /in/9lK91 on line 11 Warning: call_user_func_array() expects parameter 2 to be array, null given in /in/9lK91 on line 12 int(2)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined offset: 1 in /in/9lK91 on line 11 Warning: Missing argument 1 for Testme::foo() in /in/9lK91 on line 3 int(2)
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/9lK91 on line 3
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/9lK91 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/9lK91 on line 3
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/1KURo on line 3
Process exited with code 255.
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