SPL_METHOD(SplObjectStorage, unserialize)
{
	spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);

	char *buf;
	int buf_len;
	const unsigned char *p, *s;
	php_unserialize_data_t var_hash;
	zval *pentry, *pmembers, *pcount = NULL, *pinf;
	long count;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &buf, &buf_len) == FAILURE) {
		return;
	}

	if (buf_len == 0) {
		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0 TSRMLS_CC, "Empty serialized string cannot be empty");
		return;
	}

	/* storage */
	s = p = (const unsigned char*)buf;
	PHP_VAR_UNSERIALIZE_INIT(var_hash);

	if (*p!= 'x' || *++p != ':') {
		goto outexcept;
	}
	++p;

	ALLOC_INIT_ZVAL(pcount);
	if (!php_var_unserialize(&pcount, &p, s + buf_len, &var_hash TSRMLS_CC) || Z_TYPE_P(pcount) != IS_LONG) {
		goto outexcept;
	}

	var_push_dtor(&var_hash, &pcount);
	--p; /* for ';' */
	count = Z_LVAL_P(pcount);

	while(count-- > 0) {
		spl_SplObjectStorageElement *pelement;
		char *hash;
		int hash_len;

		if (*p != ';') {
			goto outexcept;
		}
		++p;
		if(*p != 'O' && *p != 'C' && *p != 'r') {
			goto outexcept;
		}
		ALLOC_INIT_ZVAL(pentry);
		if (!php_var_unserialize(&pentry, &p, s + buf_len, &var_hash TSRMLS_CC)) {
			zval_ptr_dtor(&pentry);
			goto outexcept;
		}
		if(Z_TYPE_P(pentry) != IS_OBJECT) {
			zval_ptr_dtor(&pentry);
			goto outexcept;
		}
		ALLOC_INIT_ZVAL(pinf);
		if (*p == ',') { /* new version has inf */
			++p;
			if (!php_var_unserialize(&pinf, &p, s + buf_len, &var_hash TSRMLS_CC)) {
				zval_ptr_dtor(&pinf);
				goto outexcept;
			}
		}

		hash = spl_object_storage_get_hash(intern, getThis(), pentry, &hash_len TSRMLS_CC);
		if (!hash) {
			zval_ptr_dtor(&pentry);
			zval_ptr_dtor(&pinf);
			goto outexcept;
		}
		pelement = spl_object_storage_get(intern, hash, hash_len TSRMLS_CC);
		spl_object_storage_free_hash(intern, hash);
		if(pelement) {
			if(pelement->inf) {
				var_push_dtor(&var_hash, &pelement->inf);
			}
			if(pelement->obj) {
				var_push_dtor(&var_hash, &pelement->obj);
			}
		}
		spl_object_storage_attach(intern, getThis(), pentry, pinf TSRMLS_CC);
		zval_ptr_dtor(&pentry);
		zval_ptr_dtor(&pinf);
	}

	if (*p != ';') {
		goto outexcept;
	}
	++p;

	/* members */
	if (*p!= 'm' || *++p != ':') {
		goto outexcept;
	}
	++p;

	ALLOC_INIT_ZVAL(pmembers);
	if (!php_var_unserialize(&pmembers, &p, s + buf_len, &var_hash TSRMLS_CC) || Z_TYPE_P(pmembers) != IS_ARRAY) {
		zval_ptr_dtor(&pmembers);
		goto outexcept;
	}

	var_push_dtor(&var_hash, &pmembers);
	/* copy members */
	if (!intern->std.properties) {
		rebuild_object_properties(&intern->std);
	}
	zend_hash_copy(intern->std.properties, Z_ARRVAL_P(pmembers), (copy_ctor_func_t) zval_add_ref, (void *) NULL, sizeof(zval *));
	zval_ptr_dtor(&pmembers);

	/* done reading $serialized */
	if (pcount) {
		zval_ptr_dtor(&pcount);
	}
	PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	return;

outexcept:
	if (pcount) {
		zval_ptr_dtor(&pcount);
	}
	PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
	zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0 TSRMLS_CC, "Error at offset %ld of %d bytes", (long)((char*)p - buf), buf_len);
	return;

} /* }}} */
Unknown