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<?php class Foo { private $test; private $counter = 0; public function __construct() { $this->test = array('a', 'b', 'c'); } public function getBar() { return $this->test[$this->counter++]; } } $array = array(); $foo = new Foo(); foreach (range(0, 3) as $key) { $array[$foo->getBar()] = $key; } print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 3 in /in/rEapQ on line 14 Array ( [a] => 0 [b] => 1 [c] => 2 [] => 3 )

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