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<?php class Foo { function bar() { return $this->a ?: $this->a = 'b'; } } $foo = new Foo(); $foo->bar(); var_dump($foo);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined property: Foo::$a in /in/h8qEn on line 9 Deprecated: Creation of dynamic property Foo::$a is deprecated in /in/h8qEn on line 9 object(Foo)#1 (1) { ["a"]=> string(1) "b" }

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