Thank you so much. "haliphax" <haliphax@xxxxxxxxx> дÈëÏûÏ¢ÐÂÎÅ:952625160904210738k494b892dlac3bb1b8e809fe82@xxxxxxxxxxxxxxxxx > On Tue, Apr 21, 2009 at 8:29 AM, Alan Chen <ccw@xxxxxxxxxxxxx> wrote: >> Hi, everyone, >> >> I want to write a small PHP script test.php that can determine whether a >> webpage is Google Cached. >> >> Assuming it is uploaded to www.mysite.com, and I want to use it to check >> whether www.yoursite.com is google cached. >> >> It works as follows: >> >> The user input the query: >> >> http://www.mysite.com/test.php?site=www.yoursite.com >> >> The php script will send the following request to the browser >> >> http://www.google.com/search?q=cache:www.yoursite.com >> >> in the background. >> >> And if the returned result contains a string "This is Google's cache of", >> then the page is cached, so the php script can display >> >> "Your site is cached by Google" >> >> otherwise, it will say >> >> "Your site is not cached by Google" >> >> Just wonder how to implement such a feature, can anyone write a simple >> sample so that I can use as a startpoint as I am a totally new guy in PHP >> coding > > You've already laid out most of what needs to be done. I think the > file_get_contents() function will be your best friend here, provided > allow_url_fopen has been set to TRUE in your PHP configuration. Take > the result you get back from that function and parse the 2nd line for > ">This is Google's cache of <" (I have made this assumption by > looking at the source of > http://www.google.com/search?q=cache:www.php.net). > > example.php > === > <?php > $url = $_GET['url']; > $res = file_get_contents('http://www.google.com/search?q=cache:' . $url); > if($res && strstr('>This is Google's cache of <', $res)) > echo 'Your page is cached.'; > else > echo 'Your page is not cached.'; > ?> > > UNTESTED. Hope this helps. > > > -- > // Todd -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
