https://www.webmaster-forums.net/crss/node/1043892 en https://www.webmaster-forums.net/html-css-and-javascript/returning-non-intersection-two-arrays#comment-1241755 <p>You're trying to calculate the difference between the two arrays, in PHP, that's easy using the <a href="http://www.php.net/manual/en/function.array-diff.php">array_diff()</a> function.</p> <p>There is also a Javascript function <a href="http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_array_diff/">here</a>.</p> Sun, 17 May 2009 16:31:00 +0000 pr0gr4mm3r comment 1241755 at https://www.webmaster-forums.net https://www.webmaster-forums.net/html-css-and-javascript/returning-non-intersection-two-arrays#comment-1241753 <p>Does this have to be JS and not server side?</p> Sun, 17 May 2009 12:26:11 +0000 greg comment 1241753 at https://www.webmaster-forums.net