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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($b, &$a) { } $f = function($b, &$a) {}; $f(3, 'ss'); //$ar = array($a, 'fet'); //$a->fet(new DateTime);
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: {closure}(): Argument #2 ($a) could not be passed by reference in /in/XJAET:26 Stack trace: #0 {main} thrown in /in/XJAET on line 26
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18
Fatal error: Uncaught Error: {closure}(): Argument #2 ($a) cannot be passed by reference in /in/XJAET:26 Stack trace: #0 {main} thrown in /in/XJAET on line 26
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Cannot pass parameter 2 by reference in /in/XJAET:26 Stack trace: #0 {main} thrown in /in/XJAET on line 26
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Fatal error: Cannot pass parameter 2 by reference in /in/XJAET on line 26
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/XJAET on line 24
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/XJAET on line 24
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/XJAET 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/XJAET 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/XJAET on line 3
Process exited with code 255.

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