mysqli::$host_info

(PHP 5, PHP 7)

Returns a string representing the type of connection used

string mysqli_get_host_info ( mysqli $link )

Object oriented style

string $mysqli->host_info;

Procedural style

Returns a string describing the connection represented by the link parameter (including the server host name).

Parameters:

link

Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()

Returns:

A character string representing the server hostname and the connection type.

Examples:

$mysqli->host_info example

Object oriented style

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

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

/* print host information */
printf("Host info: %s\n", $mysqli->host_info);

/* close connection */
$mysqli->close();
?>

Procedural style

<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

/* print host information */
printf("Host info: %s\n", mysqli_get_host_info($link));

/* close connection */
mysqli_close($link);
?>

The above examples will output:

Host info: Localhost via UNIX socket