Can I attach image to post without adding it to post?
There is a Plugin called Attachments http://wordpress.org/extend/plugins/attachments/ Maybe this is something you looking for.
images
get the attachement url for the medium sized image
wp_get_attachment_url() will only return url to original attachment file, this function only accepts attachment id as parameter. Use wp_get_attachment_image_src() or wp_get_attachment_image() instead.
What is a good alternative to using $content_width for image optimization?
Keep in mind that the $content_width global is not only used for images, but also for embedded objects, such as video. So, any solution won’t merely be a case of dropping use/support of $content_width itself. Usually a Theme will constrain content-area images in a few ways: Large Image size: Defining $content_width something appropriate for the … Read more
how to get original image using wp_get_attachment_image_src
Try this : wp_get_attachment_image_src( $PriImgId, ‘full’ ); Also, for more options see the Codex.
Function to get URL of original uploaded image – full size
There are four valid sizes built in to the WordPress core. the_post_thumbnail(‘thumbnail’); // Thumbnail (default 150px x 150px max) the_post_thumbnail(‘medium’); // Medium resolution (default 300px x 300px max) the_post_thumbnail(‘medium_large’); // Medium Large resolution (default 768px x 0(means automatic height by ratio) max) since WP version 4.4 the_post_thumbnail(‘large’); // Large resolution (default 640px x 640px max) … Read more
Image quality based on image size
The only time setting the quality really matters is right before the image is saved or streamed (for the editor). Both of these have the “image_editor_save_pre” filter there, passing it the instance of the image editor. So you can use that to modify the image in any way you like, including setting the quality. So, … Read more
How to extend the gallery block in Gutenberg?
Ok, I’ve been playing with this for a little bit and have managed to change the output of the Gallery block, with the following caveats: The preview does not match the output. I think this is possible but appears to be a bit more involved. Certain classes and markup are required in the output for … Read more
Get Image Description
function wp_get_attachment( $attachment_id ) { $attachment = get_post( $attachment_id ); return array( ‘alt’ => get_post_meta( $attachment->ID, ‘_wp_attachment_image_alt’, true ), ‘caption’ => $attachment->post_excerpt, ‘description’ => $attachment->post_content, ‘href’ => get_permalink( $attachment->ID ), ‘src’ => $attachment->guid, ‘title’ => $attachment->post_title ); } Source As sporkme explains later in the thread, this is dumped into your functions.php and can then … Read more
remove or update add_image_size
The add_image_size( $name, $width, $height, $crop ) function is graceful enough to handle multiple calls using the same $name. It simply overwrites the existing value: $_wp_additional_image_sizes[$name] = array( ‘width’ => absint( $width ), ‘height’ => absint( $height ), ‘crop’ => (bool) $crop ); So that means that all you need to do to override the … Read more
Prevent WordPress from generating medium_large 768px size of image uploads?
To remove the medium_large image size you can try to remove it with the intermediate_image_sizes filter: add_filter( ‘intermediate_image_sizes’, function( $sizes ) { return array_filter( $sizes, function( $val ) { return ‘medium_large’ !== $val; // Filter out ‘medium_large’ } ); } ); Not sure if you’re trying to remove all the intermediate sizes, but then you … Read more