Deprecated null parameter for strpos()

[hnccox]

Replace deprecated null values for empty strings

AuthenticationController.php
line 25
line 55

<?php

namespace WordProof\SDK\Controllers;

use WordProof\SDK\Support\Authentication;

class AuthenticationController
{
    /**
     * Triggers the authentication flow.
     *
     * @param null $redirectUrl
     */
    public function authenticate($redirectUrl = null)
    {
        return Authentication::authorize($redirectUrl);
    }

    /**
     * Adds admin page that redirects to the authentication flow.
     */
    public function addRedirectPage()
    {
        \add_submenu_page(
            '',
            'WordProof Authenticate',
            'WordProof Authenticate',
            'publish_pages',
            'wordproof-redirect-authenticate',
            [$this, 'redirectPageContent']
        );
    }

    /**
     * The content for the redirect page.
     */
    public function redirectPageContent()
    {
    }

    /**
     * Gets triggered by the 'load-admin_page_' hook of the redirect page
     */
    public function redirectOnLoad()
    {
        \do_action('wordproof_authenticate', \admin_url('admin.php?page=wordproof-close-after-redirect'));
    }

    /**
     * Adds self destruct admin page.
     */
    public function addSelfDestructPage()
    {
        \add_submenu_page(
            '',
            'WordProof After Authenticate',
            'WordProof After Authenticate',
            'publish_pages',
            'wordproof-close-after-redirect',
            [$this, 'closeOnLoadContent']
        );
    }

    /**
     * Adds a script to the loaded page to close on load.
     */
    public function closeOnLoadContent()
    {
        echo '<script type="text/javascript">';
        echo 'window.close();';
        echo '</script>';
    }
}

SettingsController.php
line 28

<?php

namespace WordProof\SDK\Controllers;

use WordProof\SDK\Support\Settings;

class SettingsController
{
    /**
     * Redirects user to the settings page. Returns false if not authenticated.
     *
     * @param null|string $redirectUrl
     * @return false
     */
    public function redirect($redirectUrl = null)
    {
        return Settings::redirect($redirectUrl);
    }

    /**
     * Adds admin page that will redirect the user to a predefined url.
     *
     * @action admin_menu
     */
    public function addRedirectPage()
    {
        \add_submenu_page(
            '',
            'WordProof Settings',
            'WordProof Settings',
            'publish_pages',
            'wordproof-redirect-settings',
            [$this, 'redirectPageContent']
        );
    }

    /**
     * The content for the redirect page. Triggered by addRedirectPage().
     */
    public function redirectPageContent()
    {
        return;
    }

    /**
     * Redirects user on admin page load to the settings page on the WordProof My.
     *
     * @action load-admin_page_settings
     */
    public function redirectOnLoad()
    {
        $closeWindowUrl = \admin_url('admin.php?page=wordproof-close-after-redirect');

        if ($this->redirect($closeWindowUrl) === false) {
            \do_action('wordproof_authenticate', $closeWindowUrl);
        }
    }
}