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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 4 times in this file.
Line | Code |
---|---|
3806 | $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->posts WHERE ID = %d", $post_id )); |
3807 | do_action( 'deleted_post', $post_id ); |
3808 |
|
3809 | $uploadpath = wp_upload_dir(); |
3810 |
|
3811 | if ( ! empty($meta['thumb']) ) { |
3812 | // Don't delete the thumb if another attachment uses it |
3813 | 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", '%' . $meta['thumb'] . '%', $post_id)) ) { |
3814 | $thumbfile = str_replace(basename($file), $meta['thumb'], $file); |
3815 | $thumbfile = apply_filters('wp_delete_file', $thumbfile); |
3816 | @ unlink( path_join($uploadpath['basedir'], $thumbfile) ); |
3817 | } |
3818 | } |
3819 |
|
3820 | // remove intermediate and backup images if there are any |
3821 | foreach ( get_intermediate_image_sizes() as $size ) { |
3822 | if ( $intermediate = image_get_intermediate_size($post_id, $size) ) { |
3823 | $intermediate_file = apply_filters('wp_delete_file', $intermediate['path']); |
3824 | @ unlink( path_join($uploadpath['basedir'], $intermediate_file) ); |
3825 | } |
3826 | } |
3827 |
|
3828 | if ( is_array($backup_sizes) ) { |
3829 | foreach ( $backup_sizes as $size ) { |
3830 | $del_file = path_join( dirname($meta['file']), $size['file'] ); |
3831 | $del_file = apply_filters('wp_delete_file', $del_file); |
3832 | @ unlink( path_join($uploadpath['basedir'], $del_file) ); |
3833 | } |
3834 | } |
3835 |
|
3836 | $file = apply_filters('wp_delete_file', $file); |
3837 |
|
3838 | if ( ! empty($file) ) |
3839 | @ unlink($file); |
3840 |
|
3841 | clean_post_cache($post_id); |
3842 |
|
3843 | return $post; |
3844 | } |
3845 |
|