RE: [PHP] checking array

> -----Original Message----- > From: joe [mailto:liberache@hot.ee] > Sent: 15 March 2003 23:50 > > what is the best way to check, if a value is NOT in an array? > the purpose is to take results from a webpage and check > one-by-one if they > are in the txt file already. if they are not, i have to write > them there.. > If they are in there then i just want to leave them alone. > this is what i came up with so far: > > <?php > $fp = fopen ('http://site.com', 'r'); > for ($src = ''; !feof ($fp); $src .= fgets ($fp, 1024)); > fclose ($fp); > preg_match_all ('/\<td\>(.*)\<\/td\>/isU', $src, $sum, > PREG_SET_ORDER); > $i=0; > $result=file('boot.txt'); Well the manual entry for file() (http://www.php.net/file) says that the array created still has the newline attached to the end of each entry, so... > while($sum[$i][1] && $i<50){ > $word=$sum[$i][1]; > if(in_array($word, $result)){} ... this won't work unless you also have a newline at the end of $word -- if you don't, you may have to do something like: if(!in_array($word."\n", $result)) { $word = "\n".$word; // etc Cheers! Mike --------------------------------------------------------------------- Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning & Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: m.ford@lmu.ac.uk Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211