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mysqli->protocol_version
(PHP 5)
mysqli->protocol_version -- mysqli_get_proto_info — Returns the version of the MySQL protocol used
Beschreibung
Object oriented style (property):
mysqli
string $protocol_version;
Procedural style:
Returns an integer representing the MySQL protocol version used by the connection represented by the link parameter.
Parameter-Liste
- link
-
Nur bei prozeduralem Aufruf: Ein von mysqli_connect() oder mysqli_init() zurückgegebenes Verbindungsobjekt.
Rückgabewerte
Returns an integer representing the protocol version.
Beispiele
PHP Code
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$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 */
$mysqli->close();
PHP Code
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$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);
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
Protocol version: 10