I recently had to do this via a nightly cron script for a social media stream. $parent_id is the ID of the post you want to attach the image to. function uploadRemoteImageAndAttach($image_url, $parent_id){ $image = $image_url; $get = wp_remote_get( $image ); $type = wp_remote_retrieve_header( $get, ‘content-type’ ); if (!$type) return false; $mirror = wp_upload_bits( basename( … Read more
You can create a plugin or add this to the config file, but for 3.9.2 this worked for me. define(‘ALLOW_UNFILTERED_UPLOADS’, true);
This is due to the PHP limitations on file size uploads. If you have access to your php.ini file, you can modify the following lines: upload_max_filesize = 10M post_max_size = 10M max_execution_time = 300 If you don’t have access to the php.ini file (such as a hosting situation), you may need to contact your webhost … Read more
It’s necessary to use the wp_check_filetype_and_ext filter to set the mime type and extension for webp files in addition to using the upload_mimes filter to add the mime type to the list of uploadable mimes. /** * Sets the extension and mime type for .webp files. * * @param array $wp_check_filetype_and_ext File data array containing … Read more
There is a network admin settings page with a Max upload file size field, make sure this is also set correctly.
Uploading files in ajax is a bit tricky because it is not possible to upload files using the browser’s XMLHttpRequest object so you need to use some kind of Ajax upload plugin and the easiest one would be the the JQuery Form Plugin which makes things much easier and it’s included in WordPress. So to … Read more
OPTION 1: If a WordPress WXR file, an XML file exported from WordPress, is too large to import, there are several things you might try to overcome that limit. Increase the amount of memory a PHP script may consume. Note: If using a shared hosting service, you may need to ask your host to increase … Read more
It would be nice if WordPress had a standards based cache directory, but since it doesn’t I think the best option is to keep it in the plugin folder itself. Uploads are in my opinion for actual uploads and cache files are not really considered as such. I think it easier to manage , reduces … Read more
There is this plugin: Automatic Featured Image Posts Plugin From the plugin page: Automatic Featured Image Posts creates a new post with a Featured Image every time an image is uploaded. Through the plugin settings page, you can set the image to publish and assign itself to one of your other existing custom post types … Read more
Assuming that you are using the WordPress native Media uploader then you can use the upload_mimes filter hook to add or remove allowed file types, for example: function custom_myme_types($mime_types){ //Adding avi extension $mime_types[‘avi’] = ‘video/avi’; //Removing the pdf extension unset($mime_types[‘pdf’]); return $mime_types; } add_filter(‘upload_mimes’, ‘custom_myme_types’, 1, 1); You can see that to add a file … Read more