pdo example

1<?php
2$servername = "localhost";
3$username = "username";
4$password = "password";
5
6try {
7  $conn = new PDO("mysql:host=$servername;dbname=myDB", $username, $password);
8  // set the PDO error mode to exception
9  $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
10  echo "Connected successfully";
11} catch(PDOException $e) {
12  echo "Connection failed: " . $e->getMessage();
13}
14?>

1$host = '127.0.0.1';
2$db   = 'test';
3$user = 'root';
4$pass = '';
5$charset = 'utf8mb4';
6$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
7$options = [
8  			PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
9            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
10            PDO::ATTR_EMULATE_PREPARES   => false,];
11try {
12	$pdo = new PDO($dsn, $user, $pass, $options);
13} catch (\PDOException $e) {
14    throw new \PDOException($e->getMessage(), (int)$e->getCode());
15}

1<?php
2
3$dsn = "mysql:host=localhost;dbname=mydb";
4$user = "user12";
5$passwd = "12user";
6
7$pdo = new PDO($dsn, $user, $passwd);
8
9