mysqli::$host_infomysqli::$protocol_version
mysqli_get_proto_info
(PHP 5)
mysqli::$protocol_version -- mysqli_get_proto_info — Returns the version of the MySQL protocol used
Descrizione
Stile orientato agli oggetti
string $mysqli->protocol_version;
Stile procedurale
Returns an integer representing the MySQL protocol version used by the
connection represented by the link parameter.
Elenco dei parametri
-
link -
Solo nello stile procedurale: un identificatore restituito da mysqli_connect() o mysqli_init()
Valori restituiti
Returns an integer representing the protocol version.
Esempi
Example #1 $mysqli->protocol_version example
Stile orientato agli oggetti
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
/* print protocol version */
printf("Protocol version: %d\n", $mysqli->protocol_version);
/* close connection */
$mysqli->close();
?>
Stile procedurale
<?php
$link = mysqli_connect("localhost", "my_user", "my_password");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
/* print protocol version */
printf("Protocol version: %d\n", mysqli_get_proto_info($link));
/* close connection */
mysqli_close($link);
?>
I precedenti esempi visualizzeranno:
Protocol version: 10
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