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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 14 | |
| 15 | // Require an ID for the edit screen |
| 16 | if ( $action == 'edit' && !$ID ) |
| 17 | wp_die(__("You are not allowed to be here")); |
| 18 | |
| 19 | require_once('includes/upload.php'); |
| 20 | if ( !$tab ) |
| 21 | $tab = 'browse-all'; |
| 22 | |
| 23 | do_action( "upload_files_$tab" ); |
| 24 | |
| 25 | $pid = 0; |
| 26 | if ( $post_id < 0 ) |
| 27 | $pid = $post_id; |
| 28 | elseif ( get_post( $post_id ) ) |
| 29 | $pid = $post_id; |
| 30 | $wp_upload_tabs = array(); |
| 31 | $all_atts = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->posts WHERE post_type = 'attachment'"); |
| 32 | $post_atts = 0; |