mysqli_connect()
(PHP 5, PHP 7)
别名mysqli::__construct()
说明
此函数是该函数的别名:mysqli::__construct()
虽然说在mysqli::__construct()的文档对mysqli_connect()函数也进行了详细的说明,这里依然给出一个简单的示例:
范例
Example #1 mysqli_connect()例程
<?php $link = mysqli_connect("127.0.0.1", "my_user", "my_password", "my_db"); if (!$link) { echo "Error: Unable to connect to MySQL." . PHP_EOL; echo "Debugging errno: " . mysqli_connect_errno() . PHP_EOL; echo "Debugging error: " . mysqli_connect_error() . PHP_EOL; exit; } echo "Success: A proper connection to MySQL was made! The my_db database is great." . PHP_EOL; echo "Host information: " . mysqli_get_host_info($link) . PHP_EOL; mysqli_close($link); ?>
以上例程的输出类似于:
Success: A proper connection to MySQL was made! The my_db database is great. Host information: localhost via TCP/IP
To set a permanent connection use prefix 'p:' example: "$pMysqli = new mysqli('p:'.DB_HOST, DB_USERNAME, DB_PASSWORD, DB_NAME);"