mysqli_connect
(PHP 5, PHP 7)
mysqli_connect - mysqli 的别名:: __ construct()
描述
这个函数是一个别名:mysqli :: __ construct()
尽管mysqli :: __ construct()文档还包含使用 mysqli_connect()函数的过程示例,但下面是一个简短示例:
例子
Example #1 mysqli_connect() example
<?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);
?>
上面的例子会输出:
Success: A proper connection to MySQL was made! The my_db database is great.
Host information: localhost via TCP/IP
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mysqli::disable_reads_from_master →
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