zend_bool s_unserialize_value()

in php_memcached.c [3618:3679]

• 57 lines of code
• 7 McCabe index (conditional complexity)

zend_bool s_unserialize_value (memcached_st *memc, int val_type, zend_string *payload, zval *return_value)
{
	switch (val_type) {
		case MEMC_VAL_IS_SERIALIZED:
		{
			php_unserialize_data_t var_hash;
			const unsigned char *p, *max;

			p   = (const unsigned char *) ZSTR_VAL(payload);
			max = p + ZSTR_LEN(payload);

			PHP_VAR_UNSERIALIZE_INIT(var_hash);
			if (!php_var_unserialize(return_value, &p, max, &var_hash)) {
				zval_ptr_dtor(return_value);
				ZVAL_FALSE(return_value);
				PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
				php_error_docref(NULL, E_WARNING, "could not unserialize value");
				return 0;
			}
			PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
		}
			break;

		case MEMC_VAL_IS_IGBINARY:
#ifdef HAVE_MEMCACHED_IGBINARY
			if (igbinary_unserialize((uint8_t *) ZSTR_VAL(payload), ZSTR_LEN(payload), return_value)) {
				ZVAL_FALSE(return_value);
				php_error_docref(NULL, E_WARNING, "could not unserialize value with igbinary");
				return 0;
			}
#else
			ZVAL_FALSE(return_value);
			php_error_docref(NULL, E_WARNING, "could not unserialize value, no igbinary support");
			return 0;
#endif
			break;

		case MEMC_VAL_IS_JSON:
#ifdef HAVE_JSON_API
		{
			php_memc_user_data_t *memc_user_data = memcached_get_user_data(memc);
			php_json_decode(return_value, ZSTR_VAL(payload), ZSTR_LEN(payload), (memc_user_data->serializer == SERIALIZER_JSON_ARRAY), PHP_JSON_PARSER_DEFAULT_DEPTH);
		}
#else
			ZVAL_FALSE(return_value);
			php_error_docref(NULL, E_WARNING, "could not unserialize value, no json support");
			return 0;
#endif
			break;

		case MEMC_VAL_IS_MSGPACK:
#ifdef HAVE_MEMCACHED_MSGPACK
			php_msgpack_unserialize(return_value, ZSTR_VAL(payload), ZSTR_LEN(payload));
#else
			ZVAL_FALSE(return_value);
			php_error_docref(NULL, E_WARNING, "could not unserialize value, no msgpack support");
			return 0;
#endif
 			break;
	}
	return 1;
}