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<?php class A { private function foo() { echo "I R private::A called in class ".get_class()."\n"; } public function rebind(Closure $fn) { //$fn = $this->getClosure(); $fn2 = $fn->call($this); $fn2(); } public function getClosure() { $fn = function() { $this->foo();}; return $fn; } } class B extends A { private function foo() { echo "I R private::B called in class ".get_class()."\n"; } public function getClosure() { $fn = function() { $this->foo();}; return $fn; } } $b = new B(); $fn = $b->getClosure(); $a = new A(); $a->rebind($fn);
Output for 8.3.0 - 8.3.4, 8.3.6
Deprecated: Calling get_class() without arguments is deprecated in /in/FVmY0 on line 8 I R private::A called in class A Fatal error: Uncaught Error: Value of type null is not callable in /in/FVmY0:15 Stack trace: #0 /in/FVmY0(47): A->rebind(Object(Closure)) #1 {main} thrown in /in/FVmY0 on line 15
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Calling get_class() without arguments is deprecated in /in/FVmY0 on line 8 I R private::A called in class A Fatal error: Uncaught Error: Value of type null is not callable in /in/FVmY0:15 Stack trace: #0 /in/FVmY0(47): A->rebind(Object(Closure)) #1 {main} thrown in /in/FVmY0 on line 15
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
I R private::A called in class A Fatal error: Uncaught Error: Value of type null is not callable in /in/FVmY0:15 Stack trace: #0 /in/FVmY0(47): A->rebind(Object(Closure)) #1 {main} thrown in /in/FVmY0 on line 15
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
I R private::A called in class A Fatal error: Uncaught Error: Function name must be a string in /in/FVmY0:15 Stack trace: #0 /in/FVmY0(47): A->rebind(Object(Closure)) #1 {main} thrown in /in/FVmY0 on line 15
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined method Closure::call() in /in/FVmY0 on line 14
Process exited with code 255.

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