Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: update_attached_file

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
46  *
47  * @param int $attachment_id Attachment ID
48  * @param string $file File path for the attachment
49  * @return bool False on failure, true on success.
50  */
51 function update_attached_file( $attachment_id, $file ) {
52      if ( !get_post( $attachment_id ) )
53           return false;
54
55      $file = apply_filters( 'update_attached_file', $file, $attachment_id );
56
57      // Make the file path relative to the upload dir
58      if ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) { // Get upload directory
59           if ( 0 === strpos($file, $uploads['basedir']) ) {// Check that the upload base exists in the file path
60                     $file = str_replace($uploads['basedir'], '', $file); // Remove upload dir from the file path
61                     $file = ltrim($file, '/');
62           }
63      }
64