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<?php function userland_call_user_func($function, ...$args) { if (! is_array($function)) { return $function(...$args); } $object = reset($function); if (is_object($object)) { return Closure::bind(function () use ($args, $function) { return $function(...$args); }, $object, get_class($object))->__invoke(); } return $function(...$args); } class Test { private function foo() { echo new Exception; } public function callFoo($callfunc) { $callfunc(array($this, 'foo')); } } $o = new Test; $o->callFoo('call_user_func'); $o->callFoo('userland_call_user_func');
Output for 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Exception in /in/QuQM1:20 Stack trace: #0 [internal function]: Test->foo() #1 /in/QuQM1(21): call_user_func(Array) #2 /in/QuQM1(25): Test->callFoo('call_user_func') #3 {main}Exception in /in/QuQM1:20 Stack trace: #0 /in/QuQM1(12): Test->foo() #1 /in/QuQM1(13): Test->{closure}() #2 /in/QuQM1(13): Closure->__invoke() #3 /in/QuQM1(21): userland_call_user_func(Array) #4 /in/QuQM1(26): Test->callFoo('userland_call_u...') #5 {main}
Output for 5.6.7 - 5.6.28
exception 'Exception' in /in/QuQM1:20 Stack trace: #0 [internal function]: Test->foo() #1 /in/QuQM1(21): call_user_func(Array) #2 /in/QuQM1(25): Test->callFoo('call_user_func') #3 {main}exception 'Exception' in /in/QuQM1:20 Stack trace: #0 /in/QuQM1(12): Test->foo() #1 /in/QuQM1(13): Test->{closure}() #2 /in/QuQM1(13): Closure->__invoke() #3 /in/QuQM1(21): userland_call_user_func(Array) #4 /in/QuQM1(26): Test->callFoo('userland_call_u...') #5 {main}
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/QuQM1 on line 3
Process exited with code 255.
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 '&' or T_VARIABLE in /in/QuQM1 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/QuQM1 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE or T_CONST in /in/QuQM1 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 '.', expecting '&' or T_VARIABLE or T_CONST in /in/QuQM1 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/QuQM1 on line 3
Process exited with code 255.
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