Your assumption that all images are uploaded from a browser is false. Currently images can be uploaded via the XML-RPC protocol and once the REST API will be merged it will also be used to upload images. Images can also be imported from other sites. The point is that you should not assume that images … Read more
These images sizes are defined by WordPress, and were added in WordPress 5.3. The comments in the source code describe them like this: These sizes are meant to enhance the way WordPress displays images on the front-end on larger, high-density devices. They make it possible to generate more suitable srcset and sizes attributes when the … Read more
get_avatar takes a second parameter according to the documentation for avatar size. If you’re using a plugin that doesn’t respect that, you’ll need to reach out or check their documentation for a way to change the size.
In your theme’s functions.php add a call add_image_size($name, $width, $height, $crop) where $name is the name or identifier for the new size, and $crop is whether the image should cropped to fit the dimensions or just shrunk to fit within the dimensions given. This will register the new size that will be automatically created when … Read more
You don’t need to do manual cropping; just create a custom image size, and WordPress will perform the cropping on image upload. e.g. in functions.php: add_image_size( ‘portfolio-thumbnail’, 214, 187, true ); Then in your portfolio template, inside the Loop: the_post_thumbnail( ‘portfolio-thumbnail’ ); (I assume you know how to handle the rest of the output, such … Read more
By default, WordPress uses the GD Graphics Library to resize and crop images. On servers with limited resources however, GD fails on images with large file sizes. If you really need to keep the size of your images, but want to keep your file sizes down, consider processing your images first with tinypng.com. Their online … Read more
wp_get_attachment_image_src() function returns an array that’s why your code isn’t working. Try the following code. <a href=”https://wordpress.stackexchange.com/questions/295180/<?php echo esc_url( home_url(“https://wordpress.stackexchange.com/” ) ); ?>” rel=”home”> <?php if ( get_theme_mod( ‘bwpy_logo2’ ) ) : $img_data = wp_get_attachment_image_src( absint( get_theme_mod( ‘bwpy_logo2’ ) ) ); $img_url = isset( $img_data[0] ) ? $img_data[0] : ”; // Or you can try … Read more
This particular issue was caused by an environment missing GD. After installing GD on the server, the issue was resolved. Of course you will need to go back and re-submit your thumbnails to have correct cropping, or use a plugin to retroactively recreate your thumbnails.
Since you have defined the featured image for each post with using <?php the_post_thumbnail( ‘custombig’ ); // or another custom size name ?> should be enough, for info you can read: http://justintadlock.com/archives/2009/11/16/everything-you-need-to-know-about-wordpress-2-9s-post-image-feature http://markjaquith.wordpress.com/2009/12/23/new-in-wordpress-2-9-post-thumbnail-images/ Or here there is good info too: How wordpress handle upload images and how to use them in the code
In media settings change: Crop thumbnail to exact dimensions (normally thumbnails are proportional) to unchecked. This will fix the problem on new images. For old already imported images, you’ll need to regenerate them. There are many plugins that can do this. This plugin is well known: http://wordpress.org/extend/plugins/regenerate-thumbnails/