PHP mysqli_options () function
Examples
Open a new connection to a MySQL server:
<?php
$con=mysqli_init();
if (!$con)
{
die("mysqli_init failed");
}
mysqli_options($con,MYSQLI_READ_DEFAULT_FILE,"myfile.cnf");
if (!mysqli_real_connect($con,"localhost","my_user","my_password","my_db"))
{
die("连接错误: " . mysqli_connect_error());
}
mysqli_close($con);
?>
$con=mysqli_init();
if (!$con)
{
die("mysqli_init failed");
}
mysqli_options($con,MYSQLI_READ_DEFAULT_FILE,"myfile.cnf");
if (!mysqli_real_connect($con,"localhost","my_user","my_password","my_db"))
{
die("连接错误: " . mysqli_connect_error());
}
mysqli_close($con);
?>
Definition and Usage
mysqli_options () function to set up additional connectivity options for influencing the behavior of the connection.
mysqli_options () function can be called several times to set several options.
Note: mysqli_options () function can mysqli_init () and after mysqli_real_connect () prior to being called.
grammar
mysqli_options( connection,option,value ) ;
| 参数 | 描述 |
|---|---|
| connection | 必需。规定要使用的 MySQL 连接。 |
| option | 必需。规定要设置的选项。可以是下列值中的一个：
|
| value | 必需。规定 option 的值。 |
technical details
| return value: | If successful it returns TRUE, on failure returns FALSE. |
|---|---|
| PHP version: | 5+ |
| Update log: | Added MYSQLI_SERVER_PUBLIC_KEY options in PHP 5.5. |
PHP MySQLi Reference Manual