mysqli_get_proto_info
(PHP 5)
mysqli_get_proto_info
(no version information, might be only in CVS)
mysqli->protocol_version -- Returns the version of the MySQL protocol used
Description
Procedural style:
int
mysqli_get_proto_info ( object link)
Object oriented style (property):
class
mysqli {
string protocol_version
}
Returns an integer representing the MySQL protocol version used by the
connection represented by the link parameter.
返回值
Returns an integer representing the protocol version.
Example
例子 1. Object oriented style
<?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();
?>
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例子 2. Procedural style
<?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);
?>
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The above examples would produce the following output: