WordPress Filters and Actions

go_portfolio_lightbox_caption 

The go_portfolio_lightbox_caption (available since v1.7.3) WordPress filter allows to modify a portfolio item's ligtbox caption text.

Usage

add_filter('go_portfolio_lightbox_caption', 'my_lightbox_caption', 10, 3);
function my_lightbox_caption( $caption, $post, $portfolio ) {
    // Do stuff here
    return $caption;
}

Arguments

Example: Modify the caption text for the a specific post.

add_filter('go_portfolio_lightbox_caption', 'my_lightbox_caption', 10, 3);
function my_lightbox_caption( $caption, $post, $portfolio ) {
    // Set a new caption for the post with an ID of '23'
    if ( $post instanceof WP_Post && $post->ID == 23 ) {
        $caption = 'My new fancy caption';
    }
    return $caption;
}

go_portfolio_image_thumbnail_class

The go_portfolio_image_thumbnail_class(available since v1.7.4) WordPress filter allows to add a custom class to the portfolio item's image thumbnails.

Usage

add_filter('go_portfolio_image_thumbnail_class', 'my_custom_image_class', 10, 3);
function my_custom_image_class( $class, $post, $portfolio ) {
    // Do stuff here
    return $class;
}

Arguments

Example: Modify the caption text for the a specific post.

add_filter('go_portfolio_image_thumbnail_class', 'my_custom_image_class', 10, 3);
function my_custom_image_class( $class, $post, $portfolio ) {
    // Set a class for the post with an ID of '23'
    if ( $post instanceof WP_Post && $post->ID == 23 ) {
        $class = 'new-class';
    }
    return $class;
}

* You can add custom class to portfolio image thumbnails globally under "Image Thumbnail Class" setting on the General Settings page of the plugin.