mysql php pdo code example

Example 1: php mysql pdo connection

<?php
$servername = "localhost";
$username = "username";
$password = "password";

try {
    $conn = new PDO("mysql:host=$servername;dbname=myDB", $username, $password);
    // set the PDO error mode to exception
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    echo "Connected successfully";
    }
catch(PDOException $e)
    {
    echo "Connection failed: " . $e->getMessage();
    }
?>

Example 2: pdo connexion

public static function connexionBDD()
    {
        $base = null;

        try {
            $base = new PDO('mysql:host=' . MYSQL_HOSTNAME . '; dbname=' . MYSQL_DATABASE . '', MYSQL_USERNAME, MYSQL_PASSWORD);
        } catch (exception $e) {
            die('Erreur ' . $e->getMessage());
        }

        return $base;
    }

Example 3: PDO connect

<?php
$db = new PDO('mysql:host=myhost;dbname=mydb', 'login', 'password');

Example 4: php query pdo

<?php
$sql =  'SELECT name, color, calories FROM fruit ORDER BY name';
foreach  ($conn->query($sql) as $row) {
    print $row['name'] . "\t";
    print  $row['color'] . "\t";
    print $row['calories'] . "\n";
}
?>