PHP mysqli_real_connect () function
Examples
Open a new connection to a MySQL server:
<?php
$con=mysqli_init();
if (!$con)
{
die("mysqli_init failed");
}
if (!mysqli_real_connect($con,"localhost","my_user","my_password","my_db"))
{
die("Connect Error: " . mysqli_connect_error());
}
mysqli_close($con);
?>
$con=mysqli_init();
if (!$con)
{
die("mysqli_init failed");
}
if (!mysqli_real_connect($con,"localhost","my_user","my_password","my_db"))
{
die("Connect Error: " . mysqli_connect_error());
}
mysqli_close($con);
?>
Definition and Usage
mysqli_real_connect () function to open a new connection to the MySQL server.
mysqli_real_connect () function and mysqli_connect () functions differ in the following aspects:
- mysqli_real_connect () a claim by the () mysqli_init valid object created.
- mysqli_real_connect () can mysqli_options () with the use of different options to set up the connection.
- mysqli_real_connect () has a flag parameter.
grammar
mysqli_real_connect( connection,host,username,password,dbname,port,socket,flag ) ;
| 参数 | 描述 |
|---|---|
| connection | 必需。规定要使用的 MySQL 连接。 |
| host | 可选。规定主机名或 IP 地址。 |
| username | 可选。规定 MySQL 用户名。 |
| password | 可选。规定 MySQL 密码。 |
| dbname | 可选。规定要使用的默认数据库。 |
| port | 可选。规定尝试连接到 MySQL 服务器的端口号。 |
| socket | 可选。规定 socket 或要使用的已命名 pipe。 |
| flag | 可选。规定不同的连接选项。可能的值：
|
technical details
| return value: | If successful it returns TRUE, on failure returns FALSE. |
|---|---|
| PHP version: | 5+ |
PHP MySQLi Reference Manual