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<?php class Test { static public function StaticRawr($name) { echo 'Rawr from static!'; if (!empty($name)) echo $name; } public $name = ''; public function Rawr() { echo 'Rawr! ' . $this->name; call_user_func(['self', 'StaticRawr'], $this->name); } } $rawrStatic = ['Test', 'StaticRawr']; $rawrStatic(); $testObj = new Test; $testObj->name = 'Вася'; $rawrObj = [$testObj, 'Rawr']; $rawrObj();
Output for 7.1.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function Test::StaticRawr(), 0 passed in /in/2d9Qr on line 20 and exactly 1 expected in /in/2d9Qr:5 Stack trace: #0 /in/2d9Qr(20): Test::StaticRawr() #1 {main} thrown in /in/2d9Qr on line 5
Process exited with code 255.
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.0.14
Warning: Missing argument 1 for Test::StaticRawr(), called in /in/2d9Qr on line 20 and defined in /in/2d9Qr on line 5 Rawr from static!Rawr! ВасяRawr from static!Вася
Output for hhvm-3.12.0
Warning: StaticRawr() expects exactly 1 parameter, 0 given in /in/2d9Qr on line 7 Rawr from static!Rawr! ВасяRawr from static!Вася
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/2d9Qr on line 15
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/2d9Qr on line 15
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/2d9Qr 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/2d9Qr 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/2d9Qr on line 5
Process exited with code 255.