PHP code example of szepeviktor / persistent-admin-notices

1. Go to this page and download the library: Download szepeviktor/persistent-admin-notices library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

szepeviktor / persistent-admin-notices example snippets


// Use Composer instead:  composer eviktor/persistent-admin-notices/src/PersistentNotices.php';

use WordPress\Admin\PersistentNotices;

// Fire it up!
\add_action('init', function () {
    new PersistentNotices();
});
// Or HookConstructorTo::init(PersistentNotices::class, 0);

// New notice.
PersistentNotices::add('slug', 'Something needs your attention!');

// New error notice.
PersistentNotices::error('slug', 'An error needs to be resolved!');

// Check whether a notice is showing.
if (PersistentNotices::isActive('slug')) {}

// Delete notice.
PersistentNotices::remove('slug');

// Customize notice.
PersistentNotices::add(
    'slug',
    'Something very special needs your attention!',
    [
        'expiration' => PersistentNotices::PERSISTENT, // Expiration in seconds or PersistentNotices::ONCE
        'type'       => 'info',           // Notice type: info, succes, warning, error.
        'capability' => 'manage_options', // WordPress capability to receive notifications.
        'priority'   => 10,               // Used to order notices.
        'classes'    => '',               // Override CSS classes.
        'noticeHtml' => '',               // Override full notice HTML.
    ]
);