PHP

<?php

$servername = "localhost";
$username = "root";
$password = "edel187211"


try {
	$conn = new PDO("mysql:host=$servername;dbname=chat", $username, $password);

	$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
	echo "Connection successful"
    }

catch(PDOException $e)
{
	echo "Connection failed: " . $e->getMessage();
}


	if(isset($_POST['text']) && isset($_POST['name']))
	{
		$text = strip_tags(stripslashes($_POST['text']));
		$name = strip_tags(stripslashes($_POST['name']));

		if(!empty($text) && !empty($name))
		{
			$insert = $db->prepare("INSERT INTO messages VALUES('','".$name."','".$text."')");
			$insert->execute();

			echo "<li class = 'cm'><b>".ucwords($name)."</b> - ".$text."</li>";
		}
	}
?>