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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.
| Line | Code |
|---|---|
| 66 | $location = add_query_arg( 'message', 3, wp_get_referer() ); |
| 67 | $location = explode('#', $location); |
| 68 | $location = $location[0] . '#postcustom'; |
| 69 | } elseif ( 'post-quickpress-save-cont' == $_POST['action'] ) { |
| 70 | $location = "post.php?action=edit&post=$post_id&message=7"; |
| 71 | } else { |
| 72 | $location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) ); |
| 73 | } |
| 74 | |
| 75 | wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) ); |
| 76 | exit; |
| 77 | } |
| 78 | |
| 79 | if ( isset( $_POST['deletepost'] ) ) |
| 80 | $action = 'delete'; |
| 81 | elseif ( isset($_POST['wp-preview']) && 'dopreview' == $_POST['wp-preview'] ) |
| 82 | $action = 'preview'; |
| 83 | |
| 84 | $sendback = wp_get_referer(); |