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<?php class WP_Post { public $filter; public function __get( $property ) { return $this->$property; } } $post = new WP_Post(); $post->filter = 'foo'; var_dump( $post->filter ); unset( $post->filter ); var_dump( $post->filter );
Output for git.master, git.master_jit, rfc.property-hooks
string(3) "foo" Warning: Undefined property: WP_Post::$filter in /in/66Nvl on line 7 NULL

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