Re: String searching peformance

On Wed, 26 Feb 2003 17:47:41 +0800, Jason Wong wrote: >On Wednesday 26 February 2003 16:49, {R}ichard Ashton wrote: > >> Do you think that: >> >> if (preg_match($re, $posting, $hits)) would slow it down at all. The >> $buzzwords will be kept in a file to be loaded before each run, every 5 >> minutes. I could therefore keep a count of which words hit most >> frequently and move them to the top of the list. > >No idea whether this would be faster (it's certainly easier to code): > > explode() text into an array > place your banned words into an array > array_intersect() to find words common in both Thanks for another method, >Do your own benchmarking! That is the easy bit. {R}