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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 |
|---|---|
| 2100 | $alt = isset( $attachment['image_alt'] ) ? $attachment['image_alt'] : ''; |
| 2101 | $caption = isset( $attachment['post_excerpt'] ) ? $attachment['post_excerpt'] : ''; |
| 2102 | $title = ''; // We no longer insert title tags into <img> tags, as they are redundant. |
| 2103 | $html = get_image_send_to_editor( $id, $caption, $title, $align, $url, (bool) $rel, $size, $alt ); |
| 2104 | } elseif ( 'video' === substr( $post->post_mime_type, 0, 5 ) || 'audio' === substr( $post->post_mime_type, 0, 5 ) ) { |
| 2105 | $html = stripslashes_deep( $_POST['html'] ); |
| 2106 | } |
| 2107 | |
| 2108 | /** This filter is documented in wp-admin/includes/media.php */ |
| 2109 | $html = apply_filters( 'media_send_to_editor', $html, $id, $attachment ); |
| 2110 | |
| 2111 | wp_send_json_success( $html ); |
| 2112 | } |
| 2113 | |
| 2114 | /** |
| 2115 | * Generates the HTML to send a non-image embed link to the editor. |
| 2116 | * |
| 2117 | * Backwards compatible with the following filters: |
| 2118 | * - file_send_to_editor_url |