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mysqli_get_proto_info (PHP 5 CVS only) mysqli_get_proto_info (no version information, might be only in CVS) mysqli->protocol_version -- Returns the version of the MySQL protocol used DescriptionProcedural 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 protcol 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:
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