How to Save Image File with PHP & MySQL - #4 Insert an image

functions.php

<?php
// Connect to the database.
function connectDB() {
    $param = 'mysql:dbname=my_image;host=localhost';

    try {
        // new PDO($param, USER, PASSWORD)
        $pdo = new PDO($param, 'root', 'root');
        return $pdo;

    } catch (PDOException $e) {
        echo $e->getMessage();
        exit();
    }
}
?>