MYSQL vs MYSQLI vs PDO

 
<?php

//mysql

//$conn = mysql_connect("localhost","root","");

//$db = mysql_select_db("Your_database_name", $conn);

//mysqli

//$conn = mysqli_connect("localhost","root","","Your_database_name");

//PDO

$conn = new PDO("mysql:host=localhost;dbname=Your_database_name","root","");  

if(!$conn){

echo "Not connected";

}

else{

echo "Connected PDO";

}

?>

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