Property Hive - rightmove - add floor area (for residential)

snippet.php

add_filter( 'ph_rtdf_send_request_data', 'amend_property_request_data', 10, 2 );
function amend_property_request_data( $request_data, $post_id )
{
    $floor_area_raw = get_post_meta($post_id, '_floor_area', true);

    if ( !empty($floor_area_raw) )
    {
        // Remove anything that isn't a number or decimal point
        $floor_area = preg_replace('/[^0-9.]/', '', $floor_area_raw);

        if ( is_numeric($floor_area) )
        {
            $request_data['property']['details']['Internal_Area'] = (float) $floor_area;
            $request_data['property']['details']['Internal_Area_Unit'] = 'ft';
        }
    }

    return $request_data;
}