Function RECEIVER_EXISTS

engine/receiver.c:40–68

Check if field exists for method receiver.

// Check if field exists for method receiver.
static int RECEIVER_EXISTS(zval *object, zval *member, int check) {
	engine_receiver *this = RECEIVER_THIS(object);

	if (!engineReceiverExists(this, Z_STRVAL_P(member))) {
		// Value does not exist.
		return 0;
	} else if (check == 2) {
		// Value exists.
		return 1;
	}

	int result = 0;
	engine_value *val = engineReceiverGet(this, Z_STRVAL_P(member));

	if (check == 1) {
		// Value exists and is "truthy".
		convert_to_boolean(val->internal);
		result = VALUE_TRUTH(val->internal) ? 1 : 0;
	} else if (check == 0) {
		// Value exists and is not null.
		result = (val->kind != KIND_NULL) ? 1 : 0;
	} else {
		// Check value is invalid.
		result = 0;
	}

	value_destroy(val);
	return result;
}

// Call function with arguments passed and return value (if any).
static int RECEIVER_METHOD_CALL(method) {