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Php Timer Emailing Script Help!!!!

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  • #1

    Php Timer Emailing Script Help!!!!

    Hi! I am trying to create a script that will email me once a week to remind me to update my webpage or ftp the contents of the webpage for backup. ANyway the functionality is not important
    <b> ALL I NEED IS HOW DO I MAKE A SCRIPT THAT WILL EMAIL ME EVERY 30 SECONDS (AS A TESTCASE) </b>

    HERE IS MY PHP CODE:

    PHP Code:
      <?php
       $year     = 2002;    //start date Mar 27 2002
           $month = 3;
           $day = 27;

           //echo date("rfc");

           $hour = 13;  // (based on western (California) timing 1.00 PM 
           $minutes = 0;
           $seconds = 0;
       
           $email  = "[email protected]";  //put your email here

           $start_time = mktime(($hour+3), $minutes, $second, $month, $day,$year); //3rd november 2001
       //every minute
           $time_interval=30;

           $offset = floor((time() - $start_time));
       print     "Count now : $count and offset = $offset\n";
     
      if ((    $offset%30) == 0) //every 30 seconds send an email
           {
           $count = $time_interval;
       print     "Inside if count = $count\n";

                           $dates = date("l d f");         
                       $link_tag = "http://www.homepage.com/";
                           $message = "<HTML><BODY>";
                           $message .= "<br>";
                           $message .= "Please take a chance to view <A HREF=\"http://www.homepage.com\">homepage's</A> weekly feature<br>";
                           $message .= "<br><br>";
                           $message .= "**** <A HREF=\"http://www.homepage.com\">homepage.com</A> - 
                   where it happens first      ****\n</BODY></HTML>"    ;
                           $headers .= "From: [email][email protected][/email] <[email protected]>\n";
          
                           $headers .= "Content-Type: text/html; charset=iso-8859-1\n";
                           mail($email, "Homepage.com Referal", $message, $headers);
                           //mail($femail, "Homepage.com Referal" ,$message,$headers);
                           echo "Your message has been sent!";

       }
           ?>
    Please help me ASAP!! Thanks in advance!
    Tags: None
  • #2
    If you insist on using PHP, you'll need to setup a cron job to execute it every 30 seconds.

    Comment

    • #3
      max is right....using php for this isn't ideal but if you have to you must understand that you can't just leave a php script running you have to get it to run on timed overvals using either a scheduled event (windows os') or cron jobs (*nix) (well by true deffinition they are both 'cron jobs' but for the sake of this it makes everything a little clearer).

      cron jobs have to be setup though shell usually so if you can't get access to shell or get someone to set it up for you you may have dome diffuculties with this.
      Cons

      Comment

      • #4
        COuld anyone guide me to a good user friendly tutorial on cron or at least show me an easy way of doing this.

        ANother quetsion can you use CRON to interface with MYSQL.

        Thanks

        Comment

        • #5
          Cron doesn't do anything fancy like interface to MySQL. All it does is fire off a program when told. This should tell you more than enough:

          man crontab
          man cron

          If the above commands don't work, do you have shell access? Are you on Unix/Linux? Man pages can also be read here.

          Use 'crontab -e' to create a cron command.

          This may help as well: http://www.linuxdoc.org/LDP/LG/issue...lman/cron.html

          One question I have: What happens when a cron job is scheduled between 1 am and 2 am on the morning in October when Daylight Savings ends? Does it execute twice? What about between 2 am and 3 am on the morning in April when Daylight Savings begins? Is it skipped that day?
          Last edited by kippesp; Thu 28 Mar '02, 12:01pm.
          Cygwin - all the tools to make Windows complete (cvs, vim, diff, grep, gcc, ssh, ...)

          Comment

          • #6
            Originally posted by Conscience
            you must understand that you can't just leave a php script running
            Well, you can leave one running forever if you want. I would still recommend cron but my point is that I don't see why you "can't just leave a php script running". Fill me in?

            PHP Code:
            #!/usr/bin/php -q
            <?php
            set_time_limit            (0);

            while(            1)
            {
                             // do stuff
                // blah blah

                // wait 30 seconds
                            sleep(30);
            }
            ?>
            Last edited by jeffct; Thu 28 Mar '02, 12:25pm.

            Comment

            • #7
              You could, but I don't like to have stuff just running forever. Cron is just cleaner, IMO.

              Comment

              • #8
                Your also more less likely to have multiple instances of the script running with cron.

                Comment

                • #9
                  Max,

                  How do I run cron from within php do I use a system command like perl?

                  To jeffct / Max

                  #!/usr/bin/php -q
                  <?php
                  set_time_limit(0);
                  PHP Code:
                   while(1)
                    {
                                                                              sleep(30);
                                     mail (webmaster, "Your thirty seconds are up", ..);  
                   }
                                     ?> 
                  1) Are you telling me this program above will email users every thirty seconds, I do not want it to continuosly mail.

                  2) The mail function should be after the sleep(30) am I right (every thirty seconds) not before am I right?

                  Comment

                  • #10
                    when I say 'can't' i don't mean it in its most literal terms...

                    Its not a very good idea at all. It takes up lots resources and you would have to have a separate ini script for it to allow executions over 30secs.

                    cron job is definatly the best way to go

                    BTW if you are using a php script it should interface with SQL fine..
                    Cons

                    Comment

                    • #11
                      Hi Conciense

                      I want the script to execute every 30 seconds not for a duration of 30 seconds. Basically, this is a test case for a script to email me each week telling me to update my web page.

                      Comment

                      • #12
                        I am fully aware of this I was replying to a comment made earlier about having a script executing indefinatly.

                        In a production environment it is most likely that php scripts are only executable for 30 seconds (its a default) (and thus cannot run indefinatly UNLESS you make a separate ini for that particular script or allow the core ini to process scripts indefinatly)

                        If you are just running a test box then thats fine, change the php.ini setting and write a php script that executes indefinatly.

                        In a production environment you would have to be crazy to allow this.
                        Cons

                        Comment

                        • #13
                          HENCE...a cron job is a far easier and better alternative
                          Cons

                          Comment

                          • #14
                            Originally posted by aibrahim
                            Max,

                            How do I run cron from within php do I use a system command like perl?
                            Uh, what? Cron has to do with unix, not perl. You don't run cron from within php or perl. Cron is like Window's Scheduled Tasks. You specify a time and a command to execute. When the system time reaches your specified time, cron will run the command you specified.


                            Originally posted by aibrahim
                            2) The mail function should be after the sleep(30) am I right (every thirty seconds) not before am I right?
                            It doesn't matter where the sleep() call is, as long as it is within the loop. It makes no difference whether it sends the email then waits, or waits then sends the email.


                            Question:
                            Why the heck are you making a script to do this? Use Outlook's Appointments. You can make a recurring appointment, and you'll get this annoying popup to remind you. Complete with a snooze and dismiss button.

                            Comment

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