Some suggestions: If you want to try out the Image Editor API you can try to replace imagejpeg( $resource, $image, 35 ); with: $editor = wp_get_image_editor( $image ); if ( ! is_wp_error( $editor ) ) { $editor->set_quality( 35 ); $editor->save( $image ); } unset( $editor ); Also try to test e.g. these parts: $resource = … Read more
Directly accessing the filesystem for writing is evil… for most of the cases where people are actually doing that. If you’re editing an image file, and it is in the wp-content/uploads directory, then you know, whatever. That’s not the common case. Plugins and themes don’t typically do that because they don’t have to do that. … Read more
You could do like this: function image_tag_class($class) { $class .= ‘ my-custom-class’; return $class; } add_filter(‘get_image_tag_class’, ‘image_tag_class’ ); in case you wanna know more about actions and hooks. Difference Between Filter and Action Hooks? add_filter add_action
If you’re working within a template file, this code should work. However, I didn’t test it. <?php echo do_shortcode(”); ?>
Register the shortcode, ideally in a plugin or functions.php if you have to. add_shortcode(‘thumbnail’, ‘thumbnail_in_content’); function thumbnail_in_content($atts) { global $post; return get_the_post_thumbnail($post->ID); } Add the shortcode to you post content. [thumbnail] If you want more features, see this post or the pastebin. ADDING CAPTIONS AND LINKS add_shortcode(‘thumbnail’, ‘thumbnail_with_caption_shortcode’); function thumbnail_with_caption_shortcode($atts) { global $post; // Image … Read more
As far as I know you could hook into the filter image_send_to_editor like this: function html5_insert_image($html, $id, $caption, $title, $align, $url) { $url = wp_get_attachment_url($id); $html5 = “<figure id=’post-$id media-$id’ class=”align-$align”>”; $html5 .= “<img src=”https://wordpress.stackexchange.com/questions/231693/$url” alt=”$title” />”; $html5 .= “</figure>”; return $html5; } add_filter( ‘image_send_to_editor’, ‘html5_insert_image’, 10, 9 ); For additional tags like data-pil-thumb-url and … Read more
WordPress has trouble with the width and height attributes for SVGs. The width and height attributes can be removed for SVGs using this code adapted from trac ticket #26256 . /** * Removes the width and height attributes of <img> tags for SVG * * Without this filter, the width and height are set to … Read more
Just call this function in the init action. This action is fired for both frontend and backend. So it should look like this: add_action( ‘init’, ‘wpse4378_add_new_image_size’ ); function wpse4378_add_new_image_size() { add_image_size( ‘wp_small’, 60, 75, true ); //mobile }
Built in features The Media Library has major updates with the upcoming version. You can see the changes in the slides by Daryl Koopersmith here. You can read the announcement and discussion on “Make”. Your request for “tags/categories” is already built into 3.5. Note The difference between themes and plugins is pretty easy: Display vs. … Read more
You can use the following within a loop: $files = get_attached_media( $type, $post_id ); Just define the attachment MIME type on $type. Second parameter is optional. Example from the Codex page: $media = get_attached_media( ‘audio’, 102 ); With the retrieved array, you can do something like: if( $media ) { //Show the post attachments that … Read more