You’re on the right track with your first snippet – from there it’s easy to remove parts of the url: check what WP has stored as the site root, then use php’s string functions to snip that part out of your image url. // inside the post loop, in a template file if ( has_post_thumbnail()) … Read more
Actually WordPress reduce quality of image when you upload it via media uploader. WordPress has built in compression for JPG images. Whenever you upload an JPG/JPEG image to WordPress media library, WordPress will automatically compress your images to 90% of the original quality, this is intended to help your pages load faster and keep file … Read more
You can optimize uploaded image in wordpress by EWWW Image Optimizer. This plugin giving facility for bulk optimization. So you can compress and optimize image very easily. Also this plugin optimize images according proportion. So optimized image not losing quality. It is very best plugin for image optimization.I am currently using this plugin.
Found a solution here that is working: http://www.binarynote.com/how-to-perfectly-upscale-image-in-wordpress.html function binary_thumbnail_upscale( $default, $orig_w, $orig_h, $new_w, $new_h, $crop ) { if ( !$crop ) return null; $aspect_ratio = $orig_w / $orig_h; $size_ratio = max($new_w / $orig_w, $new_h / $orig_h); $crop_w = round($new_w / $size_ratio); $crop_h = round($new_h / $size_ratio); $s_x = floor( ($orig_w – $crop_w) / 2 … Read more
If you want to modify the main <header> output take a look at header.php. This file will be called before the other templates. If you want to modify the template that is used to display your latest blog posts, index.php would be the file of choice. Index.php is also the fallback template for any post … Read more
Apparently, your mod is storing the complete path to the image as a string. That leaves you little alternative but to do a search and replace on the string: $img = get_theme_mod(‘image-1’); if (!empty ($img)) { $img = preg_replace (‘.(jpg|jpeg|png|gif)$’,’-525×350$0′); if (!file_exists($img)) $img = get_template_directory_uri().’/images/default.jpg’; } else if (!file_exists($img)) $img = get_template_directory_uri().’/images/default.jpg’; In words. Get … Read more
By default add_image_size will attempt to resize your custom image sizes instead of cropping them (see the fourth argument in the function). So you have a couple of options here… Perform a crop by passing true for the fourth argument of add_image_size, or customize how the crop will be positioned by passing an array for … Read more
In my particular case functions.php of my theme was involved. Just remove empty space after end of “<?php /*code or comment*/ ?> ” There should be NO empty space between “<?php ?>” tags. You can find more info: https://wordpress.org/support/topic/basic-image-editor-not-working/ Good luck!
The caption is stored in the image data. The only way to achieve what you require is to use multiple copies of the image and change the image data on each image. To better understand image data go ahead and download an image to your desktop then right click it, go to properties then the … Read more
I think you should use wp_calculate_image_srcset() for the simple reason that it is very complex (it should not have been just one function in the first place). Duplicating it might lead to weird side effects in the future when WP is changing the original algorithm. For the filter problems: You can pass a third parameter … Read more