dont log bots plugin

user/plugins/dont-log-bots/plugin.php

@@ -0,0 +1,47 @@
+<?php
+/*
+Plugin Name: Don't Log Bots
+Plugin URI: http://yourls.org/
+Description: OMG
+Version: 1.0
+Author: Ozh
+Author URI: http://ozh.org/
+*/
+
+// Check current user-agent against a list of bots, return boolean
+function ozh_dlb_is_bot() {
+        // Get current User-Agent
+        $current = strtolower( $_SERVER['HTTP_USER_AGENT'] );
+        
+        // Array of known bot lowercase strings
+        // Example: 'googlebot' will match 'Googlebot/2.1 (+http://www.googlebot.com/bot.html)'
+        $bots = array(
+                // general web bots
+                'googlebot', 'yahoo! slurp',
+                'dotbot', 'yeti', 'http://help.naver.com/robots/', 'scoutjet', 
+                'http://yandex.com/bots', 'linkedinbot', 'mj12bot', 'http://www.80legs.com/spider.html',
+                'exabot', 'msnbot', 'yacybot', 'www.oneriot.com', 'http://flipboard.com/', 
+                'baiduspider', 'mxbot', 'bingbot',
+                
+                // twitter specific bots
+                'http://thinglabs.com', 'js-kit url resolver', 'twitterbot', 'njuicebot', 'postrank.com',
+                'tweetmemebot', 'longurl api', 'paperlibot', 'http://postpo.st/crawlers',
+        );
+        
+        // Check if the current UA string contains a know bot string
+        $is_bot = ( str_replace( $bots, '', $current ) != $current );
+        
+        return $is_bot;
+}
+
+// Hook stuff in
+yourls_add_filter( 'shunt_update_clicks', 'ozh_dlb_skip_if_bot' );
+yourls_add_filter( 'shunt_log_redirect', 'ozh_dlb_skip_if_bot' );
+
+// Skip if it's a bot
+function ozh_dlb_skip_if_bot() {
+        return ozh_dlb_is_bot();
+        // if anything but false is returned, functions using the two shunt_* filters will be short-circuited
+}
+
+?>