What is the command to close the database in php

php The command to close the database is "mysqli_close()". In PHP, after the database operation is completed, you can use the mysql_close() function to close the database connection. The syntax format is "mysqli_close (MySQL connection to be closed);".

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

php closes the database

When the database operation is completed, you can use mysql_close to close the database connection. By default, when PHP is executed, the database connection will be automatically closed.

mysqli_close() function can close a previously opened database connection.

Syntax

mysqli_close(connection);

• connection: required. Specifies the MySQL connection to be closed.

Return value: TRUE if successful, FALSE if failed.

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Example:

<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");

// ....一些 PHP 代码...

mysqli_close($con);
?>

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