The enacting clause of all ordinances shall be as follows: "The city council of the city of . . . . . . do ordain as follows:" No ordinance shall contain more than one subject and that must be clearly expressed in its title.

No ordinance or any section or subsection thereof shall be revised or amended unless the new ordinance sets forth the revised ordinance or the amended section or subsection at full length.

No ordinance shall take effect until five days after the date of its publication unless otherwise provided by statute or charter, except that an ordinance passed by a majority plus one of the whole membership of the council, designated therein as a public emergency ordinance necessary for the protection of public health, public safety, public property or the public peace, may be made effective upon adoption, but such ordinance may not levy taxes, grant, renew, or extend a franchise, or authorize the borrowing of money.