What are the limitations of using PHP for cron jobs compared to traditional cron tab setups?

One limitation of using PHP for cron jobs compared to traditional cron tab setups is that PHP scripts may have dependencies on web server configurations or PHP extensions that are not available in the command line environment. To solve this issue, you can use the PHP shebang line at the beginning of your PHP script to specify the PHP binary path and execute the script directly from the command line. 

#!/usr/bin/php
<?php
// Your PHP cron job script code here

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PHP cron jobs limitations traditional cron tab setups

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