Кастомная форма WP

function editor_custom_content_bottom() {
	global $asgarosforum;
	if (!is_user_logged_in() && $asgarosforum->options['allow_guest_postings']) {
		$captcha_instance = new ReallySimpleCaptcha();
		$captcha_word = $captcha_instance->generate_random_word();
		$captcha_prefix = mt_rand();
		$captcha_file = $captcha_instance->generate_image($captcha_prefix, $captcha_word);
		$captcha_url = plugins_url().'/really-simple-captcha/tmp/'.$captcha_file;
		echo '<div class="editor-row editor-row-captcha">';
		echo '<span class="row-title">'.__('Captcha:', 'asgaros-forum').'</span>';
		echo '<img src="'.$captcha_url.'" /><br />';
		echo '<input type="text" name="captcha_value">';
		echo '<input type="hidden" name="captcha_prefix" value="'.$captcha_prefix.'">';
		echo '</div>';
	}
}
add_action('asgarosforum_editor_custom_content_bottom', 'editor_custom_content_bottom');
function insert_custom_validation($status) {
	global $asgarosforum;
	if (!is_user_logged_in() && $asgarosforum->options['allow_guest_postings']) {
		$captcha_instance = new ReallySimpleCaptcha();
		$captcha_value = $_POST['captcha_value'];
		$captcha_prefix = $_POST['captcha_prefix'];
		$captcha_correct = $captcha_instance->check($captcha_prefix, $captcha_value);
		$captcha_instance->remove($captcha_prefix);
		if (!$captcha_correct) {
			$asgarosforum->info = __('You must enter the correct captcha.', 'asgaros-forum');
			return false;
		}
	}
	return $status;
}
add_filter('asgarosforum_filter_insert_custom_validation', 'insert_custom_validation');