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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 |
---|---|
4896 | do_action( 'deleted_post', $post_id ); |
4897 |
|
4898 | $uploadpath = wp_get_upload_dir(); |
4899 |
|
4900 | if ( ! empty($meta['thumb']) ) { |
4901 | // Don't delete the thumb if another attachment uses it. |
4902 | 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)) ) { |
4903 | $thumbfile = str_replace(basename($file), $meta['thumb'], $file); |
4904 | /** This filter is documented in wp-includes/functions.php */ |
4905 | $thumbfile = apply_filters( 'wp_delete_file', $thumbfile ); |
4906 | @ unlink( path_join($uploadpath['basedir'], $thumbfile) ); |
4907 | } |
4908 | } |
4909 |
|
4910 | // Remove intermediate and backup images if there are any. |
4911 | if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) { |
4912 | foreach ( $meta['sizes'] as $size => $sizeinfo ) { |
4913 | $intermediate_file = str_replace( basename( $file ), $sizeinfo['file'], $file ); |
4914 | /** This filter is documented in wp-includes/functions.php */ |
4915 | $intermediate_file = apply_filters( 'wp_delete_file', $intermediate_file ); |
4916 | @ unlink( path_join( $uploadpath['basedir'], $intermediate_file ) ); |
4917 | } |
4918 | } |
4919 |
|
4920 | if ( is_array($backup_sizes) ) { |
4921 | foreach ( $backup_sizes as $size ) { |
4922 | $del_file = path_join( dirname($meta['file']), $size['file'] ); |
4923 | /** This filter is documented in wp-includes/functions.php */ |
4924 | $del_file = apply_filters( 'wp_delete_file', $del_file ); |
4925 | @ unlink( path_join($uploadpath['basedir'], $del_file) ); |
4926 | } |
4927 | } |
4928 |
|
4929 | wp_delete_file( $file ); |
4930 |
|
4931 | clean_post_cache( $post ); |
4932 |
|
4933 | return $post; |