Displaying custom taxonomies based on form request

// Set any existing query string to a local variable
$query_string = $_REQUEST;

// Setup the arguments for the query. Notice it is an OR query.
$search['post_type'] = 'places';
$search['tax_query'] = array(
    'relation' => 'or',
);

// Since we are using checkboxes, we'll want to loop over the request
foreach($query_string as $key => $value) {
    array_push(
        $search['tax_query'],
        array(
            'taxonomy' => 'place_category',
            'field' => 'slug',
            'terms' => $value
        )
    );
}

// Loop over the query's results
while ( $the_search_results->have_posts() ) : $the_search_results->the_post();

// All my display stuff goes in here.

endwhile;

// Reset Query
wp_reset_query();