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* @version 1.0.0 * @package igbinary */ /** * Generates a storable representation of a value. * This is useful for storing or passing PHP values around without losing their type and structure. * To make the serialized string into a PHP value again, use {@link igbinary_unserialize}. * * igbinary_serialize() handles all types, except the resource-type. * You can even serialize() arrays that contain references to itself. * Circular references inside the array/object you are serialize()ing will also be stored. * * If object implements {@link http://www.php.net/~helly/php/ext/spl/interfaceSerializable.html Serializable} -interface, * PHP will call the member function serialize to get serialized representation of object. * * When serializing objects, PHP will attempt to call the member function __sleep prior to serialization. * This is to allow the object to do any last minute clean-up, etc. prior to being serialized. * Likewise, when the object is restored using unserialize() the __wakeup member function is called. * * @param mixed $value The value to be serialized. * @return string Returns a string containing a binary representation of value that can be stored anywhere. * @link http://www.php.net/serialize PHP's default serialize */ function igbinary_serialize($value); /** Creates a PHP value from a stored representation. * igbinary_unserialize() takes a single serialized variable and converts it back into a PHP value. * * If the variable being unserialized is an object, * then after successfully reconstructing the object, * PHP will automatically call the __wakeup() member function (if it exists). * * If the passed in string could not be unserialized, * then NULL is returned and an E_WARNING is issued. * * @param string $str The serialized string. * @return mixed The unserialized value is returned. It can be a boolean, integer, float, string, array, object or null. * @link http://www.php.net/manual/en/function.unserialize.php PHP's default unserialize * @link https://secure.php.net/serializable Serializable interface */ function igbinary_unserialize($str);