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<?php class Foo { public function doFoo() { return 'foo'; } } $foo = new Foo(); $foo->doFoo = function () { return 'baz'; }; $foo->doBar = function () { return 'bar'; }; var_dump($foo->doFoo()); var_dump($foo->doBar());
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property Foo::$doFoo is deprecated in /in/F1rgA on line 13 Deprecated: Creation of dynamic property Foo::$doBar is deprecated in /in/F1rgA on line 14 string(3) "foo" Fatal error: Uncaught Error: Call to undefined method Foo::doBar() in /in/F1rgA:17 Stack trace: #0 {main} thrown in /in/F1rgA on line 17
Process exited with code 255.

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