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 |
|---|---|
| 1841 | |
| 1842 | /** |
| 1843 | * Filters the default gallery shortcode CSS styles. |
| 1844 | * |
| 1845 | * @since 2.5.0 |
| 1846 | * |
| 1847 | * @param string $gallery_style Default CSS styles and opening HTML div container |
| 1848 | * for the gallery shortcode output. |
| 1849 | */ |
| 1850 | $output = apply_filters( 'gallery_style', $gallery_style . $gallery_div ); |
| 1851 | |
| 1852 | $i = 0; |
| 1853 | foreach ( $attachments as $id => $attachment ) { |
| 1854 | |
| 1855 | $attr = ( trim( $attachment->post_excerpt ) ) ? array( 'aria-describedby' => "$selector-$id" ) : ''; |
| 1856 | if ( ! empty( $atts['link'] ) && 'file' === $atts['link'] ) { |
| 1857 | $image_output = wp_get_attachment_link( $id, $atts['size'], false, false, false, $attr ); |
| 1858 | } elseif ( ! empty( $atts['link'] ) && 'none' === $atts['link'] ) { |
| 1859 | $image_output = wp_get_attachment_image( $id, $atts['size'], false, $attr ); |