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A função mysqli_get_host_info() do PHP retorna uma string que descreve o tipo de conexão usada
mysqli_get_host_info()A função é usada para obter informações sobre o host, ou seja, o tipo de conexão usado e o nome do servidor do host.
mysqli_get_host_info($con);
| Número de ordem | Parâmetros e descrição |
|---|---|
| 1 | con(opcional) Este é um objeto que representa a conexão com o MySQL Server. |
A função mysqli_get_host_info() do PHP retorna uma string que especifica o nome do host e o tipo de conexão.
This function was initially introduced in PHP version5introduced and can be used in all higher versions.
The following examples demonstratemysqli_get_host_info()Usage of the function (procedural style)-
<?php
//Establish connection
$con = mysqli_connect("localhost", "root", "password", "mydb");
//Host information
$info = mysqli_get_host_info($con);
print("Host information: " . $info);
//Close connection
mysqli_close($con);
?>Output result
Host information: localhost via TCP/IP
In the object-oriented style, the syntax of this function is$con-> host_info. Below is an example of this function in object-oriented style-
<?php
//Establish connection
$con = new mysqli("localhost", "root", "password", "mydb");
//Host information
$info = $con-> host_info;
print("Host information: " . $info);
//Close connection
$con -> close();
?>Output result
Host information: localhost via TCP/IP
Below ismysqli_get_host_infoAnother example of the function-
<?php
//Establish connection
$con = mysqli_connect("localhost", "root", "password", "mydb");
$code = mysqli_connect_errno();
if ($code) {
print("Connection failed: " . $code);
} else {
print("Connection established successfully" . "\n");
$info = mysqli_get_host_info($con);
print("Host information: " . $info);
}
?>Output result
Host information: localhost via TCP/IP
Return the MySQL server hostname and connection type:
<?php
$connection_mysql = mysqli_connect("localhost","root","password","mydb");
if (mysqli_connect_errno($connection_mysql)){
echo "Unable to connect to MySQL: " . mysqli_connect_error();
}
echo mysqli_get_host_info($connection_mysql);
mysqli_close($connection_mysql);
?>Output result
localhost via TCP/IP