What is PHP PDO, how it's work

 PDO refers to PHP Data Object, which is a PHP extension that defines a quick access database. 

Each database driver can expose database-specific features as a regular extension function that implements the PDO interface.

pdo connect to various database like sqlite, mysql, oracle

example of connect to database using PDO

<?php  

    $dbHost="localhost";  

    $dbName="myDB";  

    $dbUser="root"; 

    $dbPassword=""; 

    try{  

        $dbConn= new PDO("mysql:host=$dbHost;dbname=$dbName",$dbUser,$dbPassword);  

        Echo "Successfully connected with myDB database";  

    } catch(Exception $e){  

    Echo "Connection failed" . $e->getMessage();  

    }  

?> 

//above code short as $dbconn = new PDO("localhost","root","","myDB"); no need first five lines.

PDO is good as compare to mysqli , because, it connect with any database, mysqli only connect phpmyadmin mysql.

this PDO  connection short and quick connect. 

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