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<?php class Foo { public function someMethod() { return "Foo::someMethod ".get_class($this); } } class Bar { public function someMethod() { return "Bar::someMethod ".get_class($this); } } $foo = new Foo(); $bar = new Bar(); $reflClass = new ReflectionClass('Foo'); $reflMethod = $reflClass->getMethod('someMethod'); $fooClosure = $reflMethod->getClosure($foo); $barClosure = $fooClosure->bindTo($bar); echo $fooClosure()."\n"; echo $barClosure()."\n";
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
Warning: Cannot bind method Foo::someMethod() to object of class Bar in /in/rMZ2q on line 21 Foo::someMethod Foo Fatal error: Uncaught Error: Value of type null is not callable in /in/rMZ2q:24 Stack trace: #0 {main} thrown in /in/rMZ2q on line 24
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Cannot bind method Foo::someMethod() to object of class Bar in /in/rMZ2q on line 21 Foo::someMethod Foo Fatal error: Uncaught Error: Function name must be a string in /in/rMZ2q:24 Stack trace: #0 {main} thrown in /in/rMZ2q on line 24
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
Foo::someMethod Foo Foo::someMethod Bar
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208.07 ms | 402 KiB | 270 Q