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<?php class A { private $a = 'ahoj'; public function fet(&$a) { } public function __invoke(&$a) { echo $this->a; } } $a = new A; /*$a('ahoj'); $ref = new \ReflectionMethod($a, '__invoke'); $ref->setAccessible(true); $ref->invoke($a, 'ahoj');*/ function f_a(&$a) { } //f_a(2); $ar = array($a, 'fet'); $ar('aa');
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: A::fet(): Argument #1 ($a) could not be passed by reference in /in/7CPGe:27 Stack trace: #0 {main} thrown in /in/7CPGe on line 27
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
Fatal error: Uncaught Error: A::fet(): Argument #1 ($a) cannot be passed by reference in /in/7CPGe:27 Stack trace: #0 {main} thrown in /in/7CPGe on line 27
Process exited with code 255.
Output for 7.0.0 - 7.0.32, 7.1.0 - 7.1.24, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Cannot pass parameter 1 by reference in /in/7CPGe:27 Stack trace: #0 {main} thrown in /in/7CPGe on line 27
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Fatal error: Cannot pass parameter 1 by reference in /in/7CPGe on line 27
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Fatal error: Function name must be a string in /in/7CPGe on line 27
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/7CPGe 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/7CPGe 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/7CPGe on line 3
Process exited with code 255.

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