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How can I set cron job through PHP script.



This will add a script that runs every day at 9:30am.

exec('echo -e "`crontab -l`n30 9 * * * /path/to/script" | crontab -');

You may run into problems with permissions if you are running this script from a web server. To get around this, I would suggest a different approach.

Here is one possible solution. Create a list of scripts that need to be run. You can save this in a text file or in a database. Create a script to read this list and run it every minute or every 5 minutes (using a cronjob). Your script will need to be smart enough to decide when to run the list of scripts and when to simply exit.

Friday, September 23, 2022

There are no problems running a PHP script as a cron job. What you need to do is provide the full path in the filesystem to the script file, and use the command php to tell Linux what program to run the file with.


*/5 * * * * php /var/www/vhosts/statistikk/cron/getLastArticleFromIntranet.cron.php >> /var/www/vhosts/statistikk/cron/LOG.txt 2> /dev/null

This script will run every 5 minutes, all days of the week. Whatever the PHP-script echoes / prints out, will be stored to the LOG.txt file so that I can monitor the scripts events.

Try running just the command in your shell before putting it in the cronjobs to make sure it works.

However, you say that you normally call this script with a AJAX call. This will not be possible to do with a cronjob. I assume you use AJAX to pass along some $_POST-elements that the script needs. So what you have to do is either adapt the script to allow $argv parameters as well, and add them to the crontab job, or simply make a script which does not need any given parameters before it runs.

If you are going to adapt your script to support $argv parameters, follow the answer already existing on about adding parameters to the job:

How to run a php url with parameters in cron tab


I'd just like to add to my answer as from the answer below. To edit you crontab jobs in Linux you can simply use the command crontab -e.

This is the description of each required param that needs to be filled.

*     *     *   *    *        command to be executed
-     -     -   -    -
|     |     |   |    |
|     |     |   |    +----- day of week (0 - 6) (Sunday=0)
|     |     |   +------- month (1 - 12)
|     |     +--------- day of        month (1 - 31)
|     +----------- hour (0 - 23)
+------------- min (0 - 59)
Wednesday, September 21, 2022

Looks like that you copied your full php.ini from your windows machine (probably the dev environment) up to a remote server which is running some linux distribution.

The extensions listed in your xampp provided php.ini won't work this way over there. If you are certain that you want to copy the whole php.ini from your dev machine, (you most likely won't need that) you will probably have to remove or edit the extension= lines to fit the environment (They most likely should end with .so at least and have a different path). Checking every path related setting would be wise too.

(Using full paths in every extension= line is foolish since there's extension_dir)

Wednesday, November 9, 2022

The cron syntax is basically ok.

Try a...

whereis php


whereis php5 find where your php bin folder is located.

Tuesday, December 6, 2022

The Job DSL reference says that timeout takes a closure with absolute() for this case:

job {
  wrappers {
    timeout {
      absolute(minutes = 10)

You can omit the minutes = prefix, but I find it's better to leave it explicit as to what the unit of time is.

Saturday, October 1, 2022
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