include - PHP: Require path does not work for cron job?

Question

I have a cron job that needs to include this file:

require '../includes/common.php';

however, when it is run via the cron job (and not my local testing), the relative path does not work. the cron job runs the following file (on the live server):

/home/username123/public_html/cron/mycronjob.php

and here's the error:

Fatal error: require(): Failed opening required '../includes/common.php' 
(include_path='.:/usr/lib/php:/usr/local/lib/php') in 
/home/username123/public_html/cron/mycronjob.php on line 2

using the same absolute format as the cron job, common.php would be located at

/home/username123/public_html/includes/common.php

does that mean i have to replace my line 2 with:

require '/home/username123/public_html/includes/common.php';

?

thanks!

Answer 1

Technically seen the php script is run where cron is located; ex. If cron was in /bin/cron, then this statement would look for common.php in /bin/includes/common.php.

So yeah, you'll probably have to use fullpaths or use set_include_path

set_include_path('/home/username123/public_html/includes/');
require 'common.php';