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<?php class Test { private $privateProperty = "hello"; public function myMethod() { $c = function($value) { return $that->privateProperty." ".$value; }; $d = $c->bindTo($this); $that = &$this; $map = array_map( $d, array( "city", "world", "universe" ) ); return $map; } } $test = new Test(); print_r($test->myMethod());
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $that in /in/3NZel on line 8 Warning: Attempt to read property "privateProperty" on null in /in/3NZel on line 8 Warning: Undefined variable $that in /in/3NZel on line 8 Warning: Attempt to read property "privateProperty" on null in /in/3NZel on line 8 Warning: Undefined variable $that in /in/3NZel on line 8 Warning: Attempt to read property "privateProperty" on null in /in/3NZel on line 8 Array ( [0] => city [1] => world [2] => universe )

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