Remove Create Account Functionality using Custom Stores Configuration

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Since Magento’s core modules lack the ability to remove create account functionality, we must build a unique store configuration in order to make this dynamic and user-friendly for everyone. So, first start with creating system.xml for creating a store configuration.

Create system.xml File:

In your custom module directory (app\code\Vendor\Module), create a etc\adminhtml\system.xml file. If the etc\adminhtml directory does not exist, create it. This file defines the structure of your system configuration.

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
    <system>
        <section id="customer">
            <group id="create_account" translate="label" sortOrder="20" showInDefault="1" showInWebsite="1" showInStore="1">
                <field id="disable_account_registration" translate="label" type="select" sortOrder="130" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                    <label>Disable Account Registration</label>
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                </field>
            </group>
        </section>
    </system>
</config>

<?xml version="1.0"?>

<label>Disable Account Registration</label>

<source_model>Magento\Config\Model\Config\Source\Yesno</source_model>

</field>

</group>

</section>

</system>

</config>

Create config.xml File:

In your custom module directory (app\code\Vendor\Module), create a etc\config.xml file. If the etc directory does not exist, create it. This file define the default value of your configuration

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
    <default>
        <customer>
            <create_account>
                <disable_account_registration>0</disable_account_registration>
            </create_account>
        </customer>
    </default>
</config>

<?xml version="1.0"?>

<create_account>

<disable_account_registration>0</disable_account_registration>

</create_account>

</customer>

</default>

</config>

Create Provider.php File:

In your custom module directory (app\code\Vendor\Module), create a Model\Config\Provider.php file. If the Model\Config directory does not exist, create it. This file is use to fetch system configuration value

<?php

declare(strict_types=1);

namespace Vendor\Module\Model\Config;

use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Store\Model\StoreManagerInterface;
use Magento\Store\Model\ScopeInterface;

/**
 * Class Provider to fetch config value
 */
class Provider
{
    private const XML_DISABLE_ACCOUNT_REGISTRATION = 'customer/create_account/disable_account_registration';

    /**
     * @var ScopeConfigInterface
     */
    private $scopeConfig;

    /**
     * @var StoreManagerInterface
     */
    private $storeManager;

    /**
     * Provider Constructor
     *
     * @param ScopeConfigInterface $scopeConfig
     * @param StoreManagerInterface $storeManager
     */
    public function __construct(
        ScopeConfigInterface $scopeConfig,
        StoreManagerInterface $storeManager
    ) {
        $this->scopeConfig = $scopeConfig;
        $this->storeManager = $storeManager;
    }

    /**
     * Get disable account registration Status from configuration
     *
     * @return bool
     */
    public function disableAccountRegistration(): bool
    {
        return $this->scopeConfig->isSetFlag(
            self::XML_DISABLE_ACCOUNT_REGISTRATION,
            ScopeInterface::SCOPE_STORE,
            $this->storeManager->getStore()->getId()
        );
    }
}

<?php

declare(strict_types=1);

namespace Vendor\Module\Model\Config;

use Magento\Framework\App\Config\ScopeConfigInterface;

use Magento\Store\Model\StoreManagerInterface;

use Magento\Store\Model\ScopeInterface;

/**

* Class Provider to fetch config value

class Provider

{

private const XML_DISABLE_ACCOUNT_REGISTRATION = 'customer/create_account/disable_account_registration';

/**

* @var ScopeConfigInterface

private $scopeConfig;

/**

* @var StoreManagerInterface

private $storeManager;

/**

* Provider Constructor

* @param ScopeConfigInterface $scopeConfig

* @param StoreManagerInterface $storeManager

public function __construct(

ScopeConfigInterface $scopeConfig,

StoreManagerInterface $storeManager

) {

$this->scopeConfig = $scopeConfig;

$this->storeManager = $storeManager;

}

/**

* Get disable account registration Status from configuration

* @return bool

public function disableAccountRegistration(): bool

{

return $this->scopeConfig->isSetFlag(

self::XML_DISABLE_ACCOUNT_REGISTRATION,

ScopeInterface::SCOPE_STORE,

$this->storeManager->getStore()->getId()

);

}

Create di.xml File:

In your custom module directory (app\code\Vendor\Module), create a etc\frontend\di.xml file. If the etc\frontend directory does not exist, create it. This file is used now to fetch to configure plugin

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="Magento\Customer\Model\Registration">
        <plugin name="disable_create_account_plugin" type="Vendor\Module\Plugin\Model\RegistrationPlugin"/>
    </type>
</config>

<?xml version="1.0"?>

</type>

</config>

Create RegistrationPlugin.php File:

Now, we need to create an after plugin for the

Magento\Customer\Model\Registration::isAllowed() function. As we can see this function always returns true. In case to remove create account functionality we need to return false when our condition matches.

In your custom module directory (app\code\Vendor\Module), create a Plugin\Model\RegistrationPlugin.php file. If the Plugin\Model directory does not exist, create it.

<?php

declare(strict_types=1);

namespace Vendor\Module\Plugin\Model;

use Magento\Customer\Model\Registration;
use Vendor\Module\Model\Config\Provider;

/**
 * Disable create account feature
 */
class RegistrationPlugin
{
    /**
     * @var Provider
     */
    private $configProvider;

    /**
     * RegistrationPlugin Constructor
     *
     * @param Provider $configProvider
     */
    public function __construct(
        Provider $configProvider
    ) {
        $this->configProvider = $configProvider;
    }

    /**
     * Disable customers registration
     *
     * @return bool
     */
    public function afterIsAllowed(Registration $subject, bool $result)
    {
        if ($this->configProvider->disableAccountRegistration()) {
            return false;
        }
        
        return $result;
    }
}

<?php

declare(strict_types=1);

namespace Vendor\Module\Plugin\Model;

use Magento\Customer\Model\Registration;

use Vendor\Module\Model\Config\Provider;

/**

* Disable create account feature

class RegistrationPlugin

{

/**

* @var Provider

private $configProvider;

/**

* RegistrationPlugin Constructor

* @param Provider $configProvider

public function __construct(

Provider $configProvider

) {

$this->configProvider = $configProvider;

}

/**

* Disable customers registration

* @return bool

public function afterIsAllowed(Registration $subject, bool $result)

{

if ($this->configProvider->disableAccountRegistration()) {

return false;

}

return $result;

}

Run the below commands:

php bin/magento setup:upgrade
php bin/magento setup:di:compile:deploy
php bin/magento setup:static-content

php bin/magento setup:upgrade

php bin/magento setup:di:compile:deploy

php bin/magento setup:static-content

After this, in Magento Admin navigate to Stores -> Configuration -> Customers -> Customer Configuration -> Create New Account Options -> Disable Account Registration and set the value to Yes.