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<?php class test { public $a; public function __call($method, $args) { call_user_func_array([$this->a, $method], $args); } public function foo() { print 123; } } $a = new test(); $b = new test(); $b->a = $a; $b->foo(); $b->bar();
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
123 Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, first array member is not a valid class name or object in /in/5TTaS:7 Stack trace: #0 /in/5TTaS(7): test->__call('bar', Array) #1 /in/5TTaS(19): test->__call('bar', Array) #2 {main} thrown in /in/5TTaS on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.9
123 Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($function) must be a valid callback, first array member is not a valid class name or object in /in/5TTaS:7 Stack trace: #0 /in/5TTaS(7): test->__call('bar', Array) #1 /in/5TTaS(19): test->__call('bar', Array) #2 {main} thrown in /in/5TTaS on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
123 Warning: call_user_func_array() expects parameter 1 to be a valid callback, first array member is not a valid class name or object in /in/5TTaS on line 7
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/5TTaS on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/5TTaS on line 7
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/5TTaS on line 4
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/5TTaS on line 4
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/5TTaS on line 4
Process exited with code 255.

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