返回MySQL协议版本:
<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");
if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
exit();
}
echo $mysqli -> protocol_version;
$mysqli -> close();
?>
查看底部的程序样式示例。
mysqli_get_proto_info() 函数返回 MySQL 协议版本。
$mysqli -> protocol_version
mysqli_get_proto_info(
connection)
Parameter | Description |
---|---|
connection | Required. Specifies the MySQL connection to use |
返回值: | 返回一个代表 MySQL 协议版本的整数 |
---|---|
PHP 版本: | 5+ |
返回MySQL协议版本:
<?php
$con = mysqli_connect("localhost","my_user","my_password","my_db");
if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit();
}
echo mysqli_get_proto_info($con);
mysqli_close($con);
?>
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