Re: uniq string function?

> > I am developing a website that is nearly complete sql. > > I want to generate the meta tags based on content of the > > sql query returned. Is there a function in php that can > > give me the unique words in a string containing for > > example: > > "baked, black, beans, blackeye, beans, wild, rice, herbs, fit, king, > > baked, beans, pineapple, baked, beans, tropical, baked, beans american, > > dry, bean, board, online, cookbook" > > > > so that there are not duplicate meta keywords? > > For PHP 4: > > function uniq_words($str) { > $arr = explode(',',$str); > return implode(',',array_keys(array_flip($arr))); > } Would there be any benefit to using array_unique() instead? function uniq_words($str) { $arr = explode(',',$str); return implode(',',array_unique($arr)); }