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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 |
|---|---|
| 591 | $href = "http://$href"; |
| 592 | |
| 593 | $title = esc_attr($_POST['insertonly']['title']); |
| 594 | if ( empty($title) ) |
| 595 | $title = esc_attr( basename($href) ); |
| 596 | |
| 597 | if ( !empty($title) && !empty($href) ) |
| 598 | $html = "<a href='" . esc_url($href) . "' >$title</a>"; |
| 599 | |
| 600 | $html = apply_filters('audio_send_to_editor_url', $html, $href, $title); |
| 601 | |
| 602 | return media_send_to_editor($html); |
| 603 | } |
| 604 | |
| 605 | if ( !empty($_POST) ) { |
| 606 | $return = media_upload_form_handler(); |
| 607 | |
| 608 | if ( is_string($return) ) |
| 609 | return $return; |