Set two default featured images
Use this plugin. I found it after one search on google https://wordpress.org/plugins/dynamic-featured-image/
images
How to list all images used on a specific page?
The WP function get_attached_media() should provide the info you need. If used in this way… $media = get_attached_media( ‘image’ ); … the $media var should contain the wp_post objects for all attached images. Function documentation in the WP Codex: https://developer.wordpress.org/reference/functions/get_attached_media/
Disable Media File Image Link On Mobile Devices
You can easily do this using HTML and CSS. You can write 2 blocks of div for the same image and toogle display:none; properties in CSS using media queries as shown below. Note: I have remove the “a href” tag for mobile. <!–HTML Start –> <div class=”image-grid desktop”> <a href=”#”><img src=”#” /></a> <div> <!–For Mobile … Read more
Changing Image Size Settings does not show in Image Details
Your image sizes need to be regenerated, as for the images to have different sizes they need to be cropped from the original and written to an actual file, whereas the settings only updates the settings, so will only affect future uploads. The Regenerate Thumbnails plugin can help with fixing this. The plugin allows you … Read more
WordPress lowers image quality
WordPress by default compress and lower image quality. To disable it please enter this code in functions.php file of your theme. add_filter( ‘jpeg_quality’, create_function( ”, ‘return 100;’ ) );
Serve different images per screen size and cache possible?
I don’t know how do cache handle this. But You can use different image as per screen size in anywhere you would, like below: Assume you have 3 different screen sizes – Tablet, Wide Screen Mobile, Small Screen Mobile So, just add a background image to your desire location (i.e feature image) for all the … Read more
WordPress İmages Upload & Delete Error
opendir operates on directories on a filesystem, not HTTP URIs. While some HTTP URIs return directory listings (the one you are using doesn’t, it is a 404 error), those listings as HTML documents generated by the webserver and are not actual directories. So please change value of $directory variable. For Example: Current value in $directory … Read more
Can I register a new thumbnail size and have it be an option in “Add Media”?
Yes you can. You have to use wordpress Settings API (tutorial) to add new options/fields into such pages. Also add add_image_size function to register new size so wordpress create new image file according to given size. As per your requirement you need 50×50 so I added icon_size field only you can change this as per … Read more
Image rotation issue (horizontal picture uploading as vertical) — Exif issue?
summersummer solved the problem reported by installing the Image Rotation Repair, which describes itself as follows: The Image Rotation Repair plugin simply fixes image orientation based on EXIF data. This is primarily a patch for mis-oriented images delivered from iPhones. Functionally it filters all uploads and if EXIF->Orientation is set to a number greater than … Read more
Show last 12 uploaded images on home page, but only from posts
I haven’t tested this but logically… 😉 Images attached to posts should have post_parent greater than zero, with the most recent posts (post parents) having the highest ID, though longstanding draft posts might throw this off a bit. So, if you order by the post_parent descending you should have the top 12 attachments associated with … Read more