SELECT then immediately DELETE mysql record

Question

I have a PHP script that runs a SELECT query then immediately deletes the record. There are multiple machines that are pinging the same php file and fetching data from the s

Answer 1

Put your delete queries inside the while loop, just incase you ever want to increase the limit from your select.

The above code would be just the same as running:

mysql_query("DELETE FROM `queue` LIMIT 1") or die(mysql_error());

Be careful using your delete query, if the email field is blank, it will delete all rows that have a blank email. Add LIMIT 1 to your delete query to avoid multiple rows being deleted.

To add a random delay, you could add a sleep to the top of the script,

eg: