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
설명
객체 기반 형식
string $mysqli->protocol_version;
절차식 형식
Returns an integer representing the MySQL protocol version used by the connection represented by the link parameter.
반환값
Returns an integer representing the protocol version.
예제
Example #1 mysqli->protocol_version example
객체 기반 형식
<?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();
?>
절차식 형식
<?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);
?>
위 예제들의 출력:
Protocol version: 10
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