public function easyReadingContent($content)
	{
		global $post;

		if (isset($_GET['readable']) && $_GET['readable'] == '1' && get_field('easy_reading_select') == true && is_object($post) && isset($post->post_content) && in_the_loop() && is_main_query()) {
			$post_content = $post->post_content;
			if (strpos($post_content,  '<!--more-->') !== false) {
				$content_parts = explode('<!--more-->', $post_content);
				$post_content  = $content_parts[1];
			}
			$post_content 	   = preg_replace('/[^a-z]/i', '', sanitize_text_field($post_content));
			$sanitized_content = preg_replace('/[^a-z]/i', '', sanitize_text_field($content));

			if ($post_content == $sanitized_content) {
				$content = get_field('easy_reading_content');
				if (strpos($content,  '<!--more-->') !== false) {
					$content_parts = explode('<!--more-->', $content);
					$content = '<p class="lead">' . sanitize_text_field($content_parts[0]) . '</p>' . $content_parts[1];
				}
			}
		}

		return $content;
	}