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Easy To Understand MySQL Connection

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Submitted on: 5/8/2001 10:15:30 PM
By: Todd Williams  
Level: Beginner
User Rating: By 7 Users
Compatibility:PHP 3.0, PHP 4.0

Users have accessed this code 8579 times.
 
(About the author)
 
     This is to teach you how to connect to your mysql database and select a table. I have made it very clean and added comments to help you understand the process.
 
code:
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Terms of Agreement:   
By using this code, you agree to the following terms...   
1) You may use this code in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.   
2) You MAY NOT redistribute this code (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.   
3) You may link to this code from another website, but ONLY if it is not wrapped in a frame. 
4) You will abide by any additional copyright restrictions which the author may have placed in the code or code's description.

    //**************************************
    //     
    // Name: Easy To Understand MySQL Connec
    //     tion
    // Description:This is to teach you how 
    //     to connect to your mysql database and se
    //     lect a table. I have made it very clean 
    //     and added comments to help you understan
    //     d the process.
    // By: Todd Williams
    //
    //This code is copyrighted and has    // limited warranties.Please see http://
    //     www.Planet-Source-Code.com/xq/ASP/txtCod
    //     eId.315/lngWId.8/qx/vb/scripts/ShowCode.
    //     htm    //for details.    //**************************************
    //     
    
    <?php
    $server= ""; //ie: mysql.server.net
    $username = ""; //ie: jonnhy
    $password = ""; //ie: password101
    $databasename = ""; //ie: jonnydata
    $tablename= ""; //ie: emails
    $connection = mysql_connect("$server","$username","$password");
    if(!$connection)// are we not connected?
    {
    echo "Couldn't make a connection!!!";
    exit; //exits the script
    }
    $db = mysql_select_db("$databasename",$connection);
    if(!$db) //was the database not found?
    {
    echo "The database disapeared!";
    mysql_close($connection); //closes connection
    exit; // exits the code
    }
    echo "If you can see this you are connected to your database and your table is selected.";


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Other User Comments
3/21/2002 4:50:54 AM:Ahmet HIZLI
Hi,
I cannot connect to mysql server 
by using $connection = 
mysql_connect("$server","$username","$pa
ssword");
my error is Fatal error: 
Call to undefined function: 
mysql_connect() in 
/var/www/html/ahizli/1.php on line 7 
Not: Line 7 is $connection = 
mysql_connect("$server","$username","$pa
ssword");
Please cen you help 
me.
Thanks.
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8/23/2002 10:51:19 PM:Waldner
where is the ?> for you code?
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