function chet_tips_modify_search_filter($query) {
if ($query->is_search) {
$query->set('post_type', 'post');
}
return $query;
}
add_filter('pre_get_posts','chet_tips_modify_search_filter');

function chet_tips_modify_search_filter($query) {
if ($query->is_search) {
$query->set('post_type', 'post');
}
return $query;
}
add_filter('pre_get_posts','chet_tips_modify_search_filter');
function chet_tips_search_filter($query) {
if ( $query->is_search && ! is_admin() ) {
$query->set('cat','8,15');
}
return $query;
}
add_filter('pre_get_posts','chet_tips_search_filter');