On Wednesday 12 June 2002 05:00, Zac Hillier wrote: > Hi All, > > I'm writing a search facility and am stripping noise words from a string > (The string contains between 50 - 200 words). Presently I'm importing a > text file of noise words (The noise words file contains almost 1000 words) > then using : > > #-- remove noisewords > $cntLmt = count($noise_words); > for ($i=0; $i<$cntLmt; $i++) { > $filterword = trim(strtolower($noise_words[$i])); > $filtered = preg_replace("/(\b$filterword \b)/x"," ",$filtered); > } > > to remove these noise words. > > However I'm wondering if it would be quicker to separate the $filtered > string and then look for the words in a noise words string. If so how would > I do this and remove the words?
Don't know whether it would be faster or not. You can use array_diff() to get only the words which are not noise words. -- Jason Wong -> Gremlins Associates -> www.gremlins.com.hk Open Source Software Systems Integrators * Web Design & Hosting * Internet & Intranet Applications Development * /* Spence's Admonition: Never stow away on a kamikaze plane. */ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php