php hashing passwords code example

Example 1: hash a password php

// To hash the password, use
password_hash("MySuperSafePassword!", PASSWORD_DEFAULT)
  
// To compare hash with plain text, use
password_verify("MySuperSafePassword!", $hashed_password)

Example 2: php hash password

//hash password
$pass = password_hash($password, PASSWORD_DEFAULT);

//verify password
password_verify($password, $hashed_password); // returns true

Example 3: password_hash() php 7

<?php
/**
 * Note that the salt here is randomly generated.
 * Never use a static salt or one that is not randomly generated.
 *
 * For the VAST majority of use-cases, let password_hash generate the salt randomly for you
 */
$options = [
    'cost' => 11,
    'salt' => mcrypt_create_iv(22, MCRYPT_DEV_URANDOM),
];
echo password_hash("rasmuslerdorf", PASSWORD_BCRYPT, $options)."\n";
?>

Example 4: php hash password

<?php
echo 'Argon2i hash: ' . password_hash('rasmuslerdorf', PASSWORD_ARGON2I);
?>

Example 5: php hash password

/* Include the database connection script. */
include 'pdo.php';

/* ID of the account to edit. */
$accountId = 1;

/* Update query template. */
$query = 'UPDATE accounts SET account_passwd = :passwd WHERE account_id = :id';

/* Values array for PDO. */
$values = [':passwd' => $hash, ':id' => $accountId];

/* Execute the query. */
try
{
  $res = $pdo->prepare($query);
  $res->execute($values);
}
catch (PDOException $e)
{
  /* Query error. */
  echo 'Query error.';
  die();
}