Modified search

You can modify the functionality of the post search in the list manager. This is example code makes it possible to choose whether or not to display posts written by the author Johnny when searching for posts in the list manager.

<?php
function my_post_search_hook() {
    arlima_modify_post_search('my_post_search_form', 'my_post_search_modification');
}
add_action('arlima_post_search', 'my_post_search_hook');

function my_post_search_form() { ?>
    Exclude posts written by John
    <input type="checkbox" name="exclude_johnny" value="1" />
<?php }

function my_post_search_modification($args, $posted_data) {
    // http://codex.wordpress.org/Template_Tags/get_posts
    if( isset($posted_data['exclude_johnny']) ) {
        $args['author'] = '-'.get_user_by( 'login', 'johnny' )->ID;
    }
    return $args;
}