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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 |
|---|---|
| 389 | } |
| 390 | |
| 391 | function get_upload_iframe_src($type) { |
| 392 | global $post_ID, $temp_ID; |
| 393 | $uploading_iframe_ID = (int) (0 == $post_ID ? $temp_ID : $post_ID); |
| 394 | $upload_iframe_src = add_query_arg('post_id', $uploading_iframe_ID, 'media-upload.php'); |
| 395 | |
| 396 | if ( 'media' != $type ) |
| 397 | $upload_iframe_src = add_query_arg('type', $type, $upload_iframe_src); |
| 398 | $upload_iframe_src = apply_filters($type . '_upload_iframe_src', $upload_iframe_src); |
| 399 | |
| 400 | return add_query_arg('TB_iframe', true, $upload_iframe_src); |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * {@internal Missing Short Description}} |
| 405 | * |
| 406 | * @since 2.5.0 |
| 407 | * |