[WordPress] Remove Special Characters from Permalinks

00-processpermalink.php

<?php
add_action('wp_insert_post_data', __NAMESPACE__ . 'processPermalink');
/**
 * Processes the permalink so we can remove any characters that may cause a problem when communicating
 * with the API.
 *
 * @param  array $data The array of information about the post.
 * @return array $data The data without the malformed information in the post name for the URL.
 */
public function processPermalink($data)
{
    if (!in_array($data['post_status'], array('draft', 'pending', 'auto-draft'))) {
        $data['post_name'] =
            preg_replace(
                '/(%ef%b8%8f|™|®|©|&trade;|&reg;|&copy;|&#8482;|&#174;|&#169;)/',
                '',
                $data['post_name']
            );
    }
    return $data;
}