// Simple check for spider
function isSpider () {
+ // It should not be empty, if so it is better a spider/bot
+ if (detectUserAgent(true) == '') return true;
+
// Is it a spider?
return ((strpos('spider', strtolower(detectUserAgent(true))) !== false) || (strpos('bot', strtolower(detectUserAgent(true))) !== false));
}