WP hooks navigation: Home/browse • Actions index • Filters index
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.
| Line | Code |
|---|---|
| 1651 | * @since 2.5.0 |
| 1652 | * @since 4.2.0 The `$instance` parameter was added. |
| 1653 | * |
| 1654 | * @see gallery_shortcode() |
| 1655 | * |
| 1656 | * @param string $output The gallery output. Default empty. |
| 1657 | * @param array $attr Attributes of the gallery shortcode. |
| 1658 | * @param int $instance Unique numeric ID of this gallery shortcode instance. |
| 1659 | */ |
| 1660 | $output = apply_filters( 'post_gallery', '', $attr, $instance ); |
| 1661 | if ( $output != '' ) { |
| 1662 | return $output; |
| 1663 | } |
| 1664 | |
| 1665 | $html5 = current_theme_supports( 'html5', 'gallery' ); |
| 1666 | $atts = shortcode_atts( array( |
| 1667 | 'order' => 'ASC', |
| 1668 | 'orderby' => 'menu_order ID', |
| 1669 | 'id' => $post ? $post->ID : 0, |