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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 |
|---|---|
| 890 | <?php echo $errors['upload_notice']; ?> |
| 891 | <?php } ?> |
| 892 | </div> |
| 893 | <div id="media-upload-error"> |
| 894 | <?php if (isset($errors['upload_error']) && is_wp_error($errors['upload_error'])) { ?> |
| 895 | <?php echo $errors['upload_error']->get_error_message(); ?> |
| 896 | <?php } ?> |
| 897 | </div> |
| 898 | |
| 899 | <?php do_action('pre-upload-ui'); ?> |
| 900 | |
| 901 | <?php if ( $flash ) : ?> |
| 902 | <script type="text/javascript"> |
| 903 | <!-- |
| 904 | jQuery(function($){ |
| 905 | swfu = new SWFUpload({ |
| 906 | upload_url : "<?php echo attribute_escape( $flash_action_url ); ?>", |
| 907 | flash_url : "<?php echo includes_url('js/swfupload/swfupload_f9.swf'); ?>", |
| 908 | file_post_name: "async-upload", |