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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.
This hook occurs 4 times in this file.
| Line | Code |
|---|---|
| 1410 | |
| 1411 | if ( $is_iphone ) |
| 1412 | return; |
| 1413 | |
| 1414 | media_upload_header(); |
| 1415 | |
| 1416 | $post_id = isset( $_REQUEST['post_id'] )? intval( $_REQUEST['post_id'] ) : 0; |
| 1417 | |
| 1418 | $form_action_url = admin_url("media-upload.php?type=$type&tab=type&post_id=$post_id"); |
| 1419 | $form_action_url = apply_filters('media_upload_form_url', $form_action_url, $type); |
| 1420 | $form_class = 'media-upload-form type-form validate'; |
| 1421 | |
| 1422 | if ( get_user_setting('uploader') ) |
| 1423 | $form_class .= ' html-uploader'; |
| 1424 | ?> |
| 1425 | |
| 1426 | <form enctype="multipart/form-data" method="post" action="<?php echo esc_attr($form_action_url); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form"> |
| 1427 | <?php submit_button( '', 'hidden', 'save', false ); ?> |
| 1428 | <input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" /> |
| Line | Code |
| 1475 | function media_upload_type_url_form($type = null, $errors = null, $id = null) { |
| 1476 | if ( null === $type ) |
| 1477 | $type = 'image'; |
| 1478 | |
| 1479 | media_upload_header(); |
| 1480 | |
| 1481 | $post_id = intval($_REQUEST['post_id']); |
| 1482 | |
| 1483 | $form_action_url = admin_url("media-upload.php?type=$type&tab=type&post_id=$post_id"); |
| 1484 | $form_action_url = apply_filters('media_upload_form_url', $form_action_url, $type); |
| 1485 | $form_class = 'media-upload-form type-form validate'; |
| 1486 | |
| 1487 | if ( get_user_setting('uploader') ) |
| 1488 | $form_class .= ' html-uploader'; |
| 1489 | ?> |
| 1490 | |
| 1491 | <form enctype="multipart/form-data" method="post" action="<?php echo esc_attr($form_action_url); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form"> |
| 1492 | <input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" /> |
| 1493 | <?php wp_nonce_field('media-form'); ?> |
| Line | Code |
| 1603 | */ |
| 1604 | function media_upload_gallery_form($errors) { |
| 1605 | global $redir_tab, $type; |
| 1606 | |
| 1607 | $redir_tab = 'gallery'; |
| 1608 | media_upload_header(); |
| 1609 | |
| 1610 | $post_id = intval($_REQUEST['post_id']); |
| 1611 | $form_action_url = admin_url("media-upload.php?type=$type&tab=gallery&post_id=$post_id"); |
| 1612 | $form_action_url = apply_filters('media_upload_form_url', $form_action_url, $type); |
| 1613 | $form_class = 'media-upload-form validate'; |
| 1614 | |
| 1615 | if ( get_user_setting('uploader') ) |
| 1616 | $form_class .= ' html-uploader'; |
| 1617 | ?> |
| 1618 | |
| 1619 | <script type="text/javascript"> |
| 1620 | <!-- |
| 1621 | jQuery(function($){ |
| Line | Code |
| 1749 | */ |
| 1750 | function media_upload_library_form($errors) { |
| 1751 | global $wpdb, $wp_query, $wp_locale, $type, $tab, $post_mime_types; |
| 1752 | |
| 1753 | media_upload_header(); |
| 1754 | |
| 1755 | $post_id = intval($_REQUEST['post_id']); |
| 1756 | |
| 1757 | $form_action_url = admin_url("media-upload.php?type=$type&tab=library&post_id=$post_id"); |
| 1758 | $form_action_url = apply_filters('media_upload_form_url', $form_action_url, $type); |
| 1759 | $form_class = 'media-upload-form validate'; |
| 1760 | |
| 1761 | if ( get_user_setting('uploader') ) |
| 1762 | $form_class .= ' html-uploader'; |
| 1763 | |
| 1764 | $_GET['paged'] = isset( $_GET['paged'] ) ? intval($_GET['paged']) : 0; |
| 1765 | if ( $_GET['paged'] < 1 ) |
| 1766 | $_GET['paged'] = 1; |
| 1767 | $start = ( $_GET['paged'] - 1 ) * 10; |