public static function _get_post_list($iID, $opt_type)
{
global $wpdb;
//Get image info from wp_postmeta with key equals to _metaseo_img_meta_not_good
$meta_key = '_metaseo_' . strtolower(trim($opt_type));
$posts = get_post_meta($iID, $meta_key, true);
if (is_array($posts) && !empty($posts)) {
$posts = metaseo_utf8($posts, 'decode');
return $posts;
}
return array();
}
public static function updateImgMeta_call_back($_post)
{
global $wpdb;
$response = new stdClass();
$response->updated = false;
foreach ($_post as $k => $v) {
if (!$v && !in_array($k, array('meta_value', 'meta_order'))) {
$response->msg = __('There is a problem when update image meta!', 'wp-meta-seo');
echo json_encode($response);
wp_die();
}
}
$meta_key = strtolower(trim($_post['meta_key']));
$meta_type = strtolower(trim($_post['meta_type']));
$meta_value = htmlspecialchars(trim($_post['meta_value']));
$meta_order = intval($_post['meta_order']);
$img_post_id = intval($_post['img_post_id']);
$post_id = intval($_post['post_id']);
$meta = get_post_meta($img_post_id, $meta_key, true);
//Update new value for meta info of this image in wp_postmeta
$meta[$post_id]['meta'][$meta_order]['type'][$meta_type] = metaseo_utf8($meta_value);
update_post_meta($img_post_id, $meta_key, $meta);
$meta = get_post_meta($img_post_id, $meta_key, true);
//Then we must update this meta info in the appropriate post content
if (!($post = get_post($post_id))) {
$response->msg = __('The post has been deleted before, please check again!', 'wp-meta-seo');
} else {
if ($post->post_content !== '') {
//Split content part that do not contain img tag
$post_content_split = preg_split('/<img [^<>]+ \\/>/i', $post->post_content);
//Get all img tag from the content
preg_match_all('/<img [^<>]+ \\/>/i', $post->post_content, $matches);
$img_tags = $matches[0];
if (isset($img_tags[$meta_order])) {
//&& strpos($img_tags[$meta_order], $img_src)){
$pattern = '/' . $meta_type . '\\s*?\\=?\\"[^\\"]*\\"/i';
$replacement = $meta_type . '="' . $meta_value . '"';
if (!preg_match($pattern, $img_tags[$meta_order], $match)) {
$pattern = '/\\/>/i';
$replacement = $meta_type . '="' . $meta_value . '" />';
}
$img_tags[$meta_order] = preg_replace($pattern, $replacement, $img_tags[$meta_order]);
$post_content = '';
foreach ($post_content_split as $key => $split) {
if (isset($img_tags[$key])) {
$img_tag = $img_tags[$key];
} else {
$img_tag = '';
}
$post_content .= $split . $img_tag;
}
//Update content of this post.
if (!wp_update_post(array('ID' => $post->ID, 'post_content' => $post_content))) {
$response->msg = __('The post haven\'t been updated, please check again!', 'wp-meta-seo');
} else {
$response->updated = true;
$response->msg = __(ucfirst($meta_type) . ' was saved', 'wp-meta-seo');
}
} else {
$response->msg = __('This image has been removed from the post, please check again!', 'wp-meta-seo');
}
} else {
$response->msg = __('Content of the post is empty, please check again', 'wp-meta-seo!');
}
}
echo json_encode($response);
wp_die();
}
/**
* Encode or decode all values in string format of an array
*/
function metaseo_utf8($obj, $action = 'encode')
{
$action = strtolower(trim($action));
$fn = "utf8_{$action}";
if (is_array($obj)) {
foreach ($obj as &$el) {
if (is_array($el)) {
if (is_callable($fn)) {
$el = metaseo_utf8($el, $action);
}
} elseif (is_string($el)) {
//var_dump(mb_detect_encoding($el));
$isASCII = mb_detect_encoding($el, 'ASCII');
if ($action === 'encode' && !$isASCII) {
$el = mb_convert_encoding($el, "UTF-8", "auto");
}
$el = $fn($el);
}
}
} elseif (is_object($obj)) {
$vars = array_keys(get_object_vars($obj));
foreach ($vars as $var) {
metaseo_utf8($obj->{$var}, $action);
}
}
return $obj;
}
