在单个页面上调用函数

如何将此函数应用于单个页面ID：

function exclude_jobs_locations($args){
    $exclude = "40";
    $args["exclude"] = $exclude;
    return $args;
}
add_filter("sjb_job_location_filter_args","exclude_jobs_locations");

排除父类别时，我是否也可以排除子类别？

我尝试过：

function exclude_jobs_locations_uk($args){  
if( is_page( 2094 ) ) {
    $exclude = "40";
    $args["exclude"] = $exclude;
}
return $args;
}
 add_filter("sjb_job_location_filter_args","exclude_jobs_locations_uk");

但出了点问题。

我使用此函数从以下内容中排除类别：

// Creating list on non-empty job location                    
$jobloc_select = wp_dropdown_categories(apply_filters(\'sjb_job_location_filter_args\', array(
                    \'show_option_none\' => __(\'Location\', \'simple-job-board\'),
                    \'hide_empty\'       => 0,
                    \'name\'             => \'selected_location\',
                    \'orderby\'          => \'NAME\',
                    \'order\'            => \'ASC\',
                    \'class\'            => \'sjb-form-control\',
                    \'hierarchical\'     => TRUE,
                    \'value_field\'      => \'slug\',
                    \'taxonomy\'         => \'jobpost_location\',                        
                    \'selected\'         => $selected_location,
                    \'echo\'             => FALSE,
                )));
                ?>

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