php – Fetch data for the last 7 days from the current date

Question:

I'm doing a DB query, and I want to receive results for the last 7 days from the current date. For that, I have a data field of DATA type (yyyy-mm-dd) in the table. I'm doing the query in php turn mysql.

$query = mysql_query(SELECT * FROM tbl_registos WHERE data >= '$last_7_days');

The variable $last_7_days must be the value of the last 7 days, always keeping in mind the months and years. Is there an easier way to do this?

Answer:

If you want to search from the current date, you don't need to enter any date variables. MySQL is smart :), and is able to count when it's seven days in the past.

Do like this:

SELECT * 
FROM tabela 
WHERE 
  data BETWEEN CURRENT_DATE()-7 AND CURRENT_DATE()

BETWEEN returns what's between these dates.

CURRENT_DATE() returns the current date.

CURRENT_DATE()-7 returns the current date minus seven days.

References:

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