Password helper for Factories

StaticPassword.php

<?php

namespace Database\Factories;

use Illuminate\Support\Facades\Hash;

trait StaticPassword
{
    /**
     * An 8-character password containing lower case, upper case, an special caracter and a number.
     *
     * @var string
     */
    public const SAFE_PASSWORD = 'P@s$w0rD';

    /**
     * The array containing already hashed passwords
     *
     * @var array<string, string>
     */
    protected static array $passwords = [];

    /**
     * Generates a hash for a password only once.
     *
     * @param  string  $password  Defaults as "password".
     * @return string  The new password hash.
     */
    protected static function password(string $password = 'password'): string
    {
        return self::$passwords[$password] ??= Hash::make($password);
    }
    
    /**
     * Generates a hash for a save password
     *
     * @return string  The password hash for "P@s$w0rD"
     */
    protected static function safePassword(): string 
    {
        return self::password(self::SAFE_PASSWORD);
    }
}