Default date filter in mysql php application

Question

I am working on a PHP and MySQL based application in which I am processing mysql data tables for one week data at a time. All my PHP scripts will run in a particular sequence and process the data in all tables (upto 15 tables) for given week.

Presently I have written the date filter in WHERE clause and application is working fine.

IS there any way by which I can set the week's date range at one place and all the queries are fired in all the tables with given date range.

I want this bcoz my application processes are growing and its hard to manage 20+ pages and 50+ queries written in it. I am using command line PHP.

Please suggest the technique if any. Thanks

Answer 1

You could use $_SESSION...

$sql = $db->query("SELECT * FROM table WHERE date BETWEEN '". $_SESSION['range']['from'] ."' AND '". $_SESSION['range']['to'] ."'");

... which will persist for the browser session.

Answer 2

SELECT stuff from your_table 
WHERE your_date_field > DATE_ADD(CURDATE(), INTERVAL - 7 DAY);

Run that once a week to get last 7 days, then hack it around to get the exact results you want.

http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-add