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<?php class Foo { public function __set($prop, $value) { echo "__set($prop, $value)\n"; Fiber::suspend(); } } $foo = new Foo(); $fiber = new Fiber(function () use ($foo) { $foo->bar = 'bar'; }); $value = $fiber->start(); $foo->bar = 'baz'; $fiber->resume('test');
Output for git.master, git.master_jit, rfc.property-hooks
__set(bar, bar) Deprecated: Creation of dynamic property Foo::$bar is deprecated in /in/KH2oE on line 17

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