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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

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Current Path : /usr/local/src/php7/php-7.0.5/Zend/tests/

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Current File : //usr/local/src/php7/php-7.0.5/Zend/tests/bug39297.phpt

--TEST--
Bug #39297 (Memory corryption because of indirect modification of overloaded array)
--FILE--
<?php
function compareByRef(&$first, &$second) {
    return $first === $second;
}

class MyTree implements ArrayAccess {
    public $parent;
    public $children = array();

    public function offsetExists($offset) {
    }

    public function offsetUnset($offset) {
    }

    public function offsetSet($offset, $value) {
    	echo "offsetSet()\n";
        $cannonicalName = strtolower($offset);
        $this->children[$cannonicalName] = $value;
        $value->parent = $this;
    }    
    
    public function offsetGet($offset) {
    	echo "offsetGet()\n";
        $cannonicalName = strtolower($offset);
        return $this->children[$cannonicalName];
    }

}

$id = 'Test';

$root = new MyTree();
$child = new MyTree();
$root[$id] = $child;

var_dump(compareByRef($root[$id], $child));
?>
--EXPECT--
offsetSet()
offsetGet()
bool(true)

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