argon for hashing email php code example

Example 1: php hash password

/* User's password. */
$password = 'my secret password';

/* MD5 hash to be saved in the database. */
$hash = md5($password);

Example 2: php hash password

/* Host name of the MySQL server. */
$host = 'localhost';

/* MySQL account username. */
$user = 'myUser';

/* MySQL account password. */
$passwd = 'myPasswd';

/* The default schema you want to use. */
$schema = 'mySchema';

/* The PDO object. */
$pdo = NULL;

/* Connection string, or "data source name". */
$dsn = 'mysql:host=' . $host . ';dbname=' . $schema;

/* Connection inside a try/catch block. */
try
{  
   /* PDO object creation. */
   $pdo = new PDO($dsn, $user,  $passwd);
   
   /* Enable exceptions on errors. */
   $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
catch (PDOException $e)
{
   /* If there is an error, an exception is thrown. */
   echo 'Database connection failed.';
   die();
}