<?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 Test1 {
private function foo() { echo new Exception; }
public function callFoo($callfunc) { $new=new Test2; $callfunc(array($new, 'foo')); }
}
class Test2 {
private function foo() { echo new Exception; }
}
$o = new Test1;
$o->callFoo('userland_call_user_func');
$o->callFoo('call_user_func');
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Exception in /in/rgmh8:24
Stack trace:
#0 /in/rgmh8(12): Test2->foo()
#1 /in/rgmh8(13): Test2->{closure}()
#2 /in/rgmh8(13): Closure->__invoke()
#3 /in/rgmh8(21): userland_call_user_func(Array)
#4 /in/rgmh8(29): Test1->callFoo('userland_call_u...')
#5 {main}
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, cannot access private method Test2::foo() in /in/rgmh8:21
Stack trace:
#0 /in/rgmh8(21): call_user_func(Array)
#1 /in/rgmh8(30): Test1->callFoo('call_user_func')
#2 {main}
thrown in /in/rgmh8 on line 21
Process exited with code 255. - Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
- Exception in /in/rgmh8:24
Stack trace:
#0 /in/rgmh8(12): Test2->foo()
#1 /in/rgmh8(13): Test2->{closure}()
#2 /in/rgmh8(13): Closure->__invoke()
#3 /in/rgmh8(21): userland_call_user_func(Array)
#4 /in/rgmh8(29): Test1->callFoo('userland_call_u...')
#5 {main}
Warning: call_user_func() expects parameter 1 to be a valid callback, cannot access private method Test2::foo() in /in/rgmh8 on line 21
- Output for 5.6.0 - 5.6.38
- exception 'Exception' in /in/rgmh8:24
Stack trace:
#0 /in/rgmh8(12): Test2->foo()
#1 /in/rgmh8(13): Test2->{closure}()
#2 /in/rgmh8(13): Closure->__invoke()
#3 /in/rgmh8(21): userland_call_user_func(Array)
#4 /in/rgmh8(29): Test1->callFoo('userland_call_u...')
#5 {main}
Warning: call_user_func() expects parameter 1 to be a valid callback, cannot access private method Test2::foo() in /in/rgmh8 on line 21
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
- Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/rgmh8 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/rgmh8 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/rgmh8 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/rgmh8 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/rgmh8 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/rgmh8 on line 3
Process exited with code 255.
preferences:
293.85 ms | 402 KiB | 415 Q