PHP mysqli close() Function

Example - Object Oriented style

Close a previously opened database connection:

<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");

if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
exit();
}

// ....some PHP code...

$mysqli -> close();
?>

Look at example of procedural style at the bottom.

Definition and Usage

The close() / mysqli_close() function closes a previously opened database connection.

Syntax

Object oriented style:

$mysqli -> close()

Procedural style:

mysqli_close(connection)

Parameter Values

Parameter	Description
connection	Required. Specifies the MySQL connection to close

Technical Details

Return Value:	TRUE on success. FALSE on failure
PHP Version:	5+

Example - Procedural style

Close a previously opened database connection:

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

if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit;
}

// ....some PHP code...

mysqli_close($con);
?>

❮ PHP MySQLi Reference