PHP & MySQL - Connect Database Example

PHP provides mysqp contruct or mysqp_connect() function to open a database connection. This function takes six parameters and returns a MySQL pnk identifier on success or FALSE on failure.

Syntax


$mysqp = new mysqp($host, $username, $passwd, $dbName, $port, $socket);

Sr.No.	Parameter & Description
1	$host Optional − The host name running the database server. If not specified, then the default value will be localhost:3306.
2	$username Optional − The username accessing the database. If not specified, then the default will be the name of the user that owns the server process.
3	$passwd Optional − The password of the user accessing the database. If not specified, then the default will be an empty password.
4	$dbName Optional − database name on which query is to be performed.
5	$port Optional − the port number to attempt to connect to the MySQL server..
6	$socket Optional − socket or named pipe that should be used.

You can disconnect from the MySQL database anytime using another PHP function close().

Syntax


$mysqp->close();

Example

Try the following example to connect to a MySQL server −

Copy and paste the following example as mysql_example.php −


<html>
   <head>
      <title>Connecting MySQL Server</title>
   </head>
   <body>
      <?php
         $dbhost =  localhost ;
         $dbuser =  root ;
         $dbpass =  root@123 ;
         $mysqp = new mysqp($dbhost, $dbuser, $dbpass);
         
         if($mysqp->connect_errno ) {
            printf("Connect failed: %s<br />", $mysqp->connect_error);
            exit();
         }
         printf( Connected successfully.<br /> );
         $mysqp->close();
      ?>
   </body>
</html>

Output

Access the mysql_example.php deployed on apache web server and verify the output.


Connected successfully.

PHP & MySQL - Connect Database Example

Syntax

Syntax

Example

Output

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