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Editorial Team
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Asked: 2026-05-28T03:20:58+00:00

I am developing a membership system where user will pay for next 11 months

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I am developing a membership system where user will pay for next 11 months from date joined on, my db structure as follows…

members table

| id | name   | email         | joined_on  | expire_on  |
+-------------+---------------+------------+------------+
|  1 | tester | test@test.com | 2012-01-09 | 2012-12-09 |
+----+--------+---------------+------------+------------+

I really need yours help with following…

I will run a cron job monthly/weekly, i would like to send payment reminder to users for monthly installment, what mysql query/php function should i use?

how to ensure if somebody didn’t miss any payment, or how can i mark payment? thanks…

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1 Answer

  1. Editorial Team

    Make another table called payments which has
    – id of payment
    – userid of user
    – date they last paid
    – length of payment

    Then, to check when a user’s set to expire,

    SELECT date+length as expy FROM payments WHERE userid = $userid ORDER BY date DESC LIMIT 1

    Store dates & lengths as unix time (number of seconds). If time > expy then their subscription is expired.

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