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<?php class Foo { public function __construct() { $this->foo = function () { echo 'foo'; }; } public function doFoo() { $this->foo(); } } (new Foo())->doFoo();
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property Foo::$foo is deprecated in /in/VAVf2 on line 8 Fatal error: Uncaught Error: Call to undefined method Foo::foo() in /in/VAVf2:13 Stack trace: #0 /in/VAVf2(17): Foo->doFoo() #1 {main} thrown in /in/VAVf2 on line 13
Process exited with code 255.

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