Question

It is a function that ends the connection to the database.

Answer 1

Answer:

mysql_close/ mysqli_close.

Explanation:

mysql_close / mysqli_close  functions are used to close the connection to the database.mysql_close is removed from the php version 7.0.0 and mysqli_close is used .

If the link in the mysql_close is not specified it so the last link opened by mysql_connect() is assumed.

It returns the value True or False.True on success false on failure.

Answer 2

Answer:

a. mysql_close / mysqli_close

Explanation:

mysql_close/mysqli_close closes existing MySql connection.

Example usage:

<?php

$link = mysql_connect('localhost', 'userid', 'password');

// Close the connection reference $link

mysql_close($link);

?>

Mysqli represents an improved version of mysql driver.

<?php

$link = mysqli_connect('localhost', 'userid', 'password');

if ($link) {

   // Close the connection reference $link

   mysqli_close($link);

}

?>