Password hashing helper.

PasswordHash.php

<?php

class Hash
{
    /**
     * Cost for hashing.
     */
    const COST = 10;
    
    /**
     * Hashing algorithm.
     */
    const CRYPT = PASSWORD_BCRYPT;

    /**
     * Create a password hash.
     * 
     * @param  string $password
     * 
     * @return string
     */
    public static function create($password)
    {
        return password_hash($password, self::CRYPT, ['cost' => self::COST]);
    }

    /**
     * Check if a password hash matches.
     * 
     * @param  string $password
     * @param  string $hash
     * 
     * @return bool
     */
    public static function check($password, $hash)
    {
        return password_verify($password, $hash);
    }
}

$hash = Hash::create('password'); // hash

var_dump(Hash::check('password', $hash)); // check