thumbnails - Read For Learn

How to get cropped thumbnail source for custom post type

You should add your custom image size with this code: add_image_size( ‘my-test-image-size’, 148, 148, true ); Then in your template file you can get cropped image using wp_get_attachment_image_src like this: $attachment_id = …; // i.e. get_post_thumbnail_id() $image_info = wp_get_attachment_image_src($attachment_id, ‘my-test-image-size’); echo ‘<img src=”‘. $image_info[0] .'” … />’; // $image_info[0] contains url of cropped image To … Read more

How to link to featured image to media file URL

You would need to edit your themes single.php template file and modify the line of code calling the featured image. It would look something like this: <?php the_post_thumbnail(); ?> Replace it with this… <?php if ( has_post_thumbnail()) { $large_image_url = wp_get_attachment_image_src( get_post_thumbnail_id(), ‘large’); echo ‘<a class=”lightboxclassname” href=”‘ . $large_image_url[0] . ‘” title=”‘ . the_title_attribute(‘echo=0’) . … Read more

Is it possible to nest get_previous_post()?

As I previously said in a comment You are using invalid values in get_previous_post() and get_next_post(). You are better of here writing your own function I came up with the following. : Get an array of all the posts and determine the current post’s position. Get the post ID’s of the posts on both sides … Read more

Image thumbnails not available post migration, but still accessible via direct URL – DB issue

Domain change This kind of error may be caused by wrong host name in image urls that are stored in the database. It is necessary to replace strings holding your old domain with new one: http://olddomain.com –> http://newdomain.com In every migtration process I use the following recommended tool: https://interconnectit.com/products/search-and-replace-for-wordpress-databases/ Upload it to your WP root … Read more

Trying to remove post thumbnail with plugin

I found where the problem was. The code was attached to the the_content hook which runs after the thumbnail is generated. Attached the code to post_thumbnail_html and it works now.

‘Thumbnail’ and ‘Medium’ Image sizes are different than expected

The thumbnail, medium, and large sizes can all be configured by the user under Settings > Media. Different installs can have different settings. The default size for the thumbnail size is 150×150, medium is 300×300, and large is 1024×1024.

How to move image thumbnails into custom folder for custom post type

Use bellow filter in the functions.php <?php add_filter( ‘upload_dir’, function($args) { if( !isset($_REQUEST[‘post_id’]) ) { return $args; } $post_type_name = get_post_type( $_REQUEST[‘post_id’] ); if( $post_type_name=”custom_post_type” ) { // Set the new path depends on current post_type $newdir=”https://wordpress.stackexchange.com/” . $post_type_name; $args[‘path’] = str_replace( $args[‘subdir’], ”, $args[‘path’] ); //remove default subdir $args[‘url’] = str_replace( $args[‘subdir’], ”, $args[‘url’] … Read more

How to removes all instances of thumbnails displayed in my theme?

Doing such thing by replacing the URL is not recommended, for a variety of reasons. One for example is that if you do this, your thumbnails won’t be deleted after you delete the original image, since you have broken the link in the database. Another reason is that if you try to access a default-size … Read more

If I Regenerate Thumbnails, would WordPress delete the existing Thumbnails and replace them with ‘new copies’?

Here’s what you can do: Delete the Old Thumbnails Download and install the Thumbnail Cleaner plugin. This plugin will delete all of your current thumbnails. You can do this manually by writing a PHP snippet that detects thumbnails and deletes them, but it’s not really that necessary. Resize the Original Images Once you have deleted … Read more

Featured Images does not show in custom post type

Maybe you could try specifying the post type when you declare the support add_theme_support( ‘post-thumbnails’, array( ‘post’,’professor’ ) );

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