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

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Current File : //usr/local/src/php7/php-7.0.5/Zend/tests/bug40833.phpt

--TEST--
Bug #40833 (Crash when using unset() on an ArrayAccess object retrieved via __get) 
--FILE--
<?php
	class entity
	{
		private $data;
		private $modified;

		function __get($name)
		{
			if ( isset($this->data[$name]) )
				return $this->data[$name];
			else
				return $this->data[$name] = new set($this);
		}

		function __set($name, $value)
		{
			$this->modified[$name] = $value;
		}
	}

	class set implements ArrayAccess
	{
		private $entity;

		function __construct($entity)
		{
			$this->entity = $entity;
			$this->entity->whatever = $this;
		}

		function clear() {
			$this->entity->whatever = null;
		}

		function offsetUnset($offset)
		{
			$this->clear();
//			$this->entity->{$this->name} = null;
		}

		function offsetSet($offset, $value)
		{
		}

		function offsetGet($offset)
		{
			return 'Bogus ';
		}

		function offsetExists($offset)
		{
		}
	}

	$entity = new entity();
	echo($entity->whatever[0]);

	//This will crash
//	$entity->whatever->clear();
	unset($entity->whatever[0]);

	//This will not crash (comment previous & uncomment this to test
//	$test = $entity->whatever; unset($test[0]);

	echo($entity->whatever[0]);
	echo "ok\n";
?>
--EXPECT--
Bogus Bogus ok

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