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<?php class Foo{ public static function Bar(&$v){ $v = 9000; } } $functionname = "Foo::Bar"; $num = 3; if (stristr($functionname, '::') !== false) { list($class, $function) = explode('::', $functionname); call_user_func_array($functionname, array($num)); } else { call_user_func_array($functionname, array($num)); } echo $num;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Foo::Bar(): Argument #1 ($v) must be passed by reference, value given in /in/0pV29 on line 13 3
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to Foo::Bar() expected to be a reference, value given in /in/0pV29 on line 13 3
Output for 5.2.2 - 5.2.17
3
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.1
Warning: call_user_func_array(): Unable to call Foo::Bar() in /in/0pV29 on line 13 3
Output for 5.0.0 - 5.0.5
Warning: call_user_func_array(): First argument is expected to be a valid callback, 'Foo::Bar' was given in /in/0pV29 on line 13 3
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/0pV29 on line 3
Process exited with code 255.
Output for 4.3.0 - 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/0pV29 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/0pV29 on line 3
Process exited with code 255.
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