PHP captures spider Crawler's code share

Source: Internet
Author: User
This article describes the PHP implementation of crawling Spider Crawler traces of a piece of code, there is a need for friends reference.

Using PHP code to analyze the Spider crawler traces in the Web log, the code is as follows:

      ' Googlebot ', ' Baidu ' = ' baiduspider ', ' yahoo ' + ' yahoo slurp '                    , ' Soso ' = ' sosospider ', ' Msn ' = ' msnbot ',        ' AltaVista ' = ' scooter ', ' Sogou ' = ' Sogou spider ', ' Yodao '    = ' Yodaobot ');    $userAgent = Strtolower ($_server[' http_user_agent ');            foreach ($bots as $k = + $v) {if (Strstr ($v, $userAgent)) {return $k;        Break }} return false;} By bbs.it-home.org//What kind of spider crawler to save spider traces. According to whether the http_user_agent is empty to collect/catch spider crawler--by Bbs.it-home.org$spi = Isspider (), if ($SPI) {$TLC _thispage = addslashes    ($_server[' http_user_agent ');    $file = ' robot.txt ';    $time = Date (' y-m-d h:i:s ', mktime ());    $handle = fopen ($file, ' A + ');    $PR = $_server[' Request_uri '); Fwrite ($handle, "time:{$time}robot:{$spi} agent:{$tlc _thispage} url:{$PR} \n\r "); Fclose ($handle);}? >
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