一個簡單的連接到mysql數據庫的php示例

ded3b 9年前發布 | 2K 次閱讀 PHP 

<?php
if(basename(FILE) == basename($_SERVER['PHP_SELF'])) send_404();
$dbHost = "localhost";        //Location Of Database usually its localhost
$dbUser = "xxxx";            //Database User Name
$dbPass = "xxxx";            //Database Password
$dbDatabase = "xxxx";       //Database Name


$db = mysql_connect($dbHost, $dbUser, $dbPass) or die ("Error connecting to database.");
mysql_select_db($dbDatabase, $db) or die ("Couldn't select the database.");


This function will send an imitation 404 page if the user


types in this files filename into the address bar.


only files connecting with in the same directory as this


file will be able to use it as well.


function send_404()
{
    header('HTTP/1.x 404 Not Found');
    print '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">'."n".
    '<html><head>'."n".
    '<title>404 Not Found</title>'."n".
    '</head><body>'."n".
    '<h1>Not Found</h1>'."n".
    '<p>The requested URL '.
    str_replace(strstr($_SERVER['REQUEST_URI'], '?'), '', $_SERVER['REQUEST_URI']).
    ' was not found on this server.</p>'."n".
    '</body></html>'."n";
    exit;
}


In any file you want to connect to the database,


and in this case we will name this file db.php


just add this line of php code (without the pound sign):


include"db.php";


once


?></pre>
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