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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 |
|---|---|
| 759 | $href = $_POST['insertonly']['href']; |
| 760 | if ( !empty($href) && !strpos($href, '://') ) |
| 761 | $href = "http://$href"; |
| 762 | |
| 763 | $title = esc_attr($_POST['insertonly']['title']); |
| 764 | if ( empty($title) ) |
| 765 | $title = basename($href); |
| 766 | if ( !empty($title) && !empty($href) ) |
| 767 | $html = "<a href='" . esc_url($href) . "' >$title</a>"; |
| 768 | $html = apply_filters('file_send_to_editor_url', $html, esc_url_raw($href), $title); |
| 769 | return media_send_to_editor($html); |
| 770 | } |
| 771 | |
| 772 | if ( !empty($_POST) ) { |
| 773 | $return = media_upload_form_handler(); |
| 774 | |
| 775 | if ( is_string($return) ) |
| 776 | return $return; |
| 777 | if ( is_array($return) ) |