Here’s a complete example for how we do it in Easy Digital Downloads: /** * Set Upload Directory * * Sets the upload dir to edd. This function is called from * edd_change_downloads_upload_dir() * * @since 1.0 * @return array Upload directory information */ function edd_set_upload_dir( $upload ) { $upload[‘subdir’] = ‘/edd’ . $upload[‘subdir’]; $upload[‘path’] … Read more
It sounds like you need to change the URLs for the old images. The easiest & quickest way of doing that is to do a find and replace on the MySQL database. You can use PHPMyAdmin (usually provided by your web host) or other MySQL editing software such as Sequel Pro to make changes to … Read more
Assuming that you’re providing upload functionality via WordPress’ native functions, lik wp_handle_upload or something more high-level, we come to the conclusion that several hooks are going to be pulled. http://core.trac.wordpress.org/browser/tags/3.3/wp-admin/includes/file.php#L212 The wp_handle_upload function would probably be the last native function to touch the file, and would know all the information that is necessary to keep … Read more
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