php - Closing MySQL Database Connections and Instances -

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i have 3 consecutive php files, 1 shows results database fetch query, 1 inserts data database , 1 updates data. first php file goes second , second goes third. share same database connection , database. in first 1 write $db = database::getinstance(); $mysqli = $db->getconnection(); should close database connection mysqli_close($mysqli); on every file??? think should closed on third file only. let me know.


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