If any section, subsection, sentence, clause or phrase of this article is for any reason held to be invalid, such decision shall not affect the validity of the remaining portions of this article. The city council declares that it would have adopted this article, including every section, subsection, sentence, clause and phrase, irrespective of whether one or more sections, subsections, sentences, clauses or phrases is held invalid. (Ord. No. 1500, § 3 (part).)