<?php
global $shortcode_tags;
// Theme compatibility.
$theme_compat = IncPopupAddon_HeaderFooter::check();
$settings = IncPopupDatabase::get_settings();
$cur_method = $settings['loadingmethod'];
// Shortcodes with restrictions.
$limited = array('app_.*', '.*-form.*', '.*_form.*');
$shortcodes = array();
// Add Admin-Shortcodes to the list.
foreach ($shortcode_tags as $code => $handler) {
if (!isset($shortcodes[$code])) {
$shortcodes[$code] = '';
}
$shortcodes[$code] .= 'sc-admin ';
}
// Add Front-End Shortcodes to the list.
foreach ($theme_compat->shortcodes as $code) {
if (!isset($shortcodes[$code])) {
$shortcodes[$code] = '';
}
$shortcodes[$code] .= 'sc-front ';
}
foreach ($shortcodes as $code => $compat) {
foreach ($limited as $pattern) {
if (preg_match('/^' . $pattern . '$/i', $code)) {
$shortcodes[$code] = $compat . 'sc-limited ';
}
}
}
/**
* Parses the specified content and looks for shortcodes that are not
* compatible with the current PopUp loading method.
*
* The function does not return a value, but if incompatible shortcodes are
* detected a new Admin Notification will be generated which is displayed to
* the user after the page has finished loading.
*
* @since 4.7.0
* @param string $content
*/
public static function validate_shortcodes($content)
{
$settings = IncPopupDatabase::get_settings();
$method = isset($settings['loadingmethod']) ? $settings['loadingmethod'] : 'ajax';
// Check for specific/frequently used shortcodes.
if ('footer' !== $method && preg_match('#\\[gravityforms?(\\s.*?\\]|\\])#', $content)) {
lib2()->ui->admin_message(sprintf(__('You are using Gravity Forms inside this PopUp. It is best to switch to the <a href="%s">loading method</a> "Page Footer" to ensure the form works as expected.', PO_LANG), 'edit.php?post_type=' . IncPopupItem::POST_TYPE . '&page=settings'), 'err');
}
// General check for shortcode incompatibility
switch ($method) {
case 'ajax':
case 'anonymous':
// Check if the content contains any of the Front-Shortcodes:
$check = IncPopupAddon_HeaderFooter::check();
$content = do_shortcode($content);
foreach ($check->shortcodes as $code) {
$match = array();
if (preg_match('#\\[' . $code . '(\\s.*?\\]|\\])#', $content, $match)) {
lib2()->ui->admin_message(sprintf(__('Shortcode <code>%s</code> requires a different <a href="%s">loading method</a> to work.<br />Try "Page Footer", though sometimes the method "Custom AJAX" also works (please test the result)', PO_LANG), $match[0], 'edit.php?post_type=' . IncPopupItem::POST_TYPE . '&page=settings'), 'err');
}
}
break;
case 'footer':
case 'front':
// Nothing needs to be validated here...
break;
default:
//lib2()->ui->admin_message( 'Shortcode-Check not defined for: ' . $method );
}
}
}
if ($code !== 200) {
return $Resp;
}
// Strip all tabs, line feeds, carriage returns and spaces
$html = preg_replace('/[\\t\\r\\n\\s]/', '', wp_remote_retrieve_body($response));
if (!strstr($html, '<wp_head>exists</wp_head>')) {
// wp_head is missing
$Resp->msg[] = __('Critical: Call to <code>wp_head();</code> is missing! It ' . 'should appear directly before <code></head></code>', PO_LANG);
}
if (!strstr($html, '<wp_footer>exists</wp_footer>')) {
// wp_footer is missing.
$Resp->msg[] = __('Critical: Call to <code>wp_footer();</code> is missing! It ' . 'should appear directly before <code></body></code>', PO_LANG);
}
$matches = array();
$has_shortcodes = preg_match('#<wp_shortcodes>([^\\<]*)</wp_shortcodes>#', $html, $matches);
if ($has_shortcodes) {
$items = $matches[1];
$Resp->shortcodes = explode(',', $items);
}
// Display any errors that we found.
if (empty($Resp->msg)) {
$Resp->okay = true;
$Resp->msg[] = __('Okay: Your current theme uses <code>wp_head();</code> and ' . '<code>wp_footer();</code> correctly!', PO_LANG);
}
}
return $Resp;
}
}
IncPopupAddon_HeaderFooter::init();
