uploads - Read For Learn

Extend WP Customizer to make multiple image selection possible

What I eventually did was extending the WP_Customize_Control class as follows: <?php if (!class_exists(‘WP_Customize_Image_Control’)) { return null; } class Multi_Image_Custom_Control extends WP_Customize_Control { public function enqueue() { wp_enqueue_style(‘multi-image-style’, get_template_directory_uri().’/css/multi-image.css’); wp_enqueue_script(‘multi-image-script’, get_template_directory_uri().’/js/multi-image.js’, array( ‘jquery’ ), rand(), true); } public function render_content() { ?> <label> <span class=”customize-control-title”>Image</span> </label> <div> <ul class=”images”></ul> </div> <div class=”actions”> <a class=”button-secondary upload”>Add</a> … Read more

Append button to WordPress Image Details modal

Here’s an alternative technique to manipulating the template. I adapted the solution below from this post. In the approach below, the print_media_templates hook, which is triggered at the bottom of wp-includes/media-template.php, is used to output some JavaScript that removes the default image details underscores template (<script type=”text/html” id=”tmpl-image-details”>) and replaces it with a duplicated version … Read more

Force wordpress to see uploads folder media

First, its not a bug. Its by design. Second, you can try this plugin – http://wordpress.org/extend/plugins/add-from-server/

Impose a Maximum Limit on Image height and width upload size

Basically you just retrieve the info via getimagesize(), a basic PHP function, a then handle your errors with notes. The plugin A basic plugin as a starting point: <?php /** Plugin Name: (#67107) »kaiser« Restrict file upload via image dimensions */ function wpse67107_restrict_upload( $file ) { $file_data = getimagesize( $file ); // Handle cases where … Read more

Trigger JS when featured image upload window is opened in admin

After some digging I discovered that wp.media.featuredImage.frame() was what I was looking for: wp.media.featuredImage.frame().on(‘open’,function() { // Clever JS here }); I then discovered that the select event fires once you’ve clicked on the ‘Set featured image’ button, not when you’ve clicked on thumbnail, which was what I was after. So I bound my events to … Read more

Disable resizing of gif when uploaded

image_make_intermediate_size was not the hook I was looking for, but intermediate_image_sizes_advanced. Here is a working code: function disable_upload_sizes( $sizes, $metadata ) { // Get filetype data. $filetype = wp_check_filetype($metadata[‘file’]); // Check if is gif. if($filetype[‘type’] == ‘image/gif’) { // Unset sizes if file is gif. $sizes = array(); } // Return sizes you want to … Read more

using media uploader to select image of specific size, enforce cropper

It looks like the select and crop functionality is currently only used in the WordPress Customizer. However, after looking over the code in the Admin folder of WordPress I was able to get it working on my themes option page. Here is my setting for a header picture: function setting_heading_picture() { $heading_picture = esc_attr(get_option( ‘heading_picture’ … Read more

WP Rest API – Upload media without saving attachment post

Based on your comment you appear to be using the REST API. There’s no hook between uploading the file and creating the attachment post that could be used for this purpose in the API endpoint. The best you can do appears to be to use the rest_insert_attachment action. It provides callback functions with the WP_Post … Read more

How to hide CPT files from media library programmatically

Media items are just like posts with post_type = attachment and post_status = inherit. when we are on upload.php page, we have two views: List View Grid View Grid view is populated via JavaScript and list view is extending normal WP_List_Table. Since it (List view) is using normal post query we can use pre_get_posts to … Read more

delete uploaded file

Use wp_delete_attachment( $post_id ) if you have used wp_insert_attachment() before. $post_id is the attachment ID. If you haven’t used wp_insert_attachment() a simple … unlink( $upload[‘file’] ); … will do it.

+ More