Reading []

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<?php
class XmlTest {


    function test_ref(&$test) {

        $test = "ok";

    }


    function test($test) { }


    function run() {

        $ar = array();

        $this->test_ref($ar[]);

        var_dump($ar);

        $this->test($ar[]);

    }

}

$o = new XmlTest();
$o->run();
?>

This should always have thrown a fatal E_ERROR, because [] cannot be used for reading in PHP. It is invalid code in PHP 4.4.2 and PHP 5.0.5 upward.

Reading []

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