RE: [PHP] Upload alert

I assumed the web site was somewhere else; if it's on his own server, wouldn't he already know that it was changed? miguel On Mon, 8 Apr 2002, Rance Hall wrote: > why couldnt you just do this > > $checksum = md5(implode('', file('/path/to/file'))); > > then it would only warn you about change in the code pre-parse, rather than post-parse as > miguel suggested? > > Rance Hall > 308.238.2455 > Internal Office Extensions: 2455 or 6655 > PC Programmer, The Buckle, Inc. > rance.hall@buckle.com > > > -----Original Message----- > From: Miguel Cruz [mailto:mnc@stoic.net] > Sent: Monday, April 08, 2002 12:45 PM > To: Rodolfo Silva > Cc: php-general@lists.php.net > Subject: Re: [PHP] Upload alert > > > On Mon, 8 Apr 2002, Rodolfo Silva wrote: > > I need a php script to alert me (with a pop up window or something like > > that) when a certain web page is modified. Is it possible? Where can I > > find that? > > I don't know where you can find it pre-made, but it's pretty simple. In a > nutshell: > > $checksum = md5(implode('', > file('http://www.whatever.org/'))); > > That'll give you a 32-character string. > > Save $checksum in a database or in a local file. > > Repeat as often as you need to (using cron or whatever). Compare the new > value against the one you saved. If they don't match, the page changed. > > NB: This will catch ANY change in the page. If that page is set up to show > the current date, for instance, then that will be picked up as a change > every day. If you need to deal with something like this, you're going to > have to analyze and parse the page. > > miguel > > >