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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 3 times in this file.
Line | Code |
---|---|
4854 | do_action( 'deleted_post', $post_id ); |
4855 |
|
4856 | $uploadpath = wp_upload_dir(); |
4857 |
|
4858 | if ( ! empty($meta['thumb']) ) { |
4859 | // Don't delete the thumb if another attachment uses it. |
4860 | if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id)) ) { |
4861 | $thumbfile = str_replace(basename($file), $meta['thumb'], $file); |
4862 | /** This filter is documented in wp-includes/functions.php */ |
4863 | $thumbfile = apply_filters( 'wp_delete_file', $thumbfile ); |
4864 | @ unlink( path_join($uploadpath['basedir'], $thumbfile) ); |
4865 | } |
4866 | } |
4867 |
|
4868 | // Remove intermediate and backup images if there are any. |
4869 | if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) { |
4870 | foreach ( $meta['sizes'] as $size => $sizeinfo ) { |
4871 | $intermediate_file = str_replace( basename( $file ), $sizeinfo['file'], $file ); |
4872 | /** This filter is documented in wp-includes/functions.php */ |
4873 | $intermediate_file = apply_filters( 'wp_delete_file', $intermediate_file ); |
4874 | @ unlink( path_join( $uploadpath['basedir'], $intermediate_file ) ); |
4875 | } |
4876 | } |
4877 |
|
4878 | if ( is_array($backup_sizes) ) { |
4879 | foreach ( $backup_sizes as $size ) { |
4880 | $del_file = path_join( dirname($meta['file']), $size['file'] ); |
4881 | /** This filter is documented in wp-includes/functions.php */ |
4882 | $del_file = apply_filters( 'wp_delete_file', $del_file ); |
4883 | @ unlink( path_join($uploadpath['basedir'], $del_file) ); |
4884 | } |
4885 | } |
4886 |
|
4887 | wp_delete_file( $file ); |
4888 |
|
4889 | clean_post_cache( $post ); |
4890 |
|
4891 | return $post; |