CakePHP4 SECURITY_SALT generator

cakephp-security-salt-generator.php

<?php declare(strict_types=1);

final class CakePHPSecuritySaltGenerator
{
    /**
     * @return string
     */
    public function generate(): string
    {
        return uniqid(bin2hex(random_bytes(32)));
    }

    /**
     * @return void
     */
    public function generateAndReplace(): void
    {
        $salt = $this->generate();

        $env = file_get_contents('config/.env');
        file_put_contents('config/.env', str_replace('__SALT__', $salt, $env));
    }
}

$generator = new CakePHPSecuritySaltGenerator();
$generator->generateAndReplace();