Как исправить Invalid argument supplied for foreach()?

php://input недоступен с типом содержимого enctype="multipart/form-data".

$hotelTitle = $v["Hotel"];
        $foodBoard = $v["Board"];
        $accomodation = $v["Accomodation"];
        $priceHotel = $v["Price"];
        $monthTour = $v["Month"];
        $TourDate = $v["TourDate"];
        $night = $v["Nights"];

        $post_data = array(
            'post_title'    => $hotelTitle,
            'post_content'  => $hotelTitle,
            'post_status'   => 'publish',
            'post_author'   => 1,
            'post_type' => 'tour'
        );

        $post_id = wp_insert_post( $post_data );

        if( is_wp_error($post_id) ){
            echo $post_id->get_error_message();
        }
        else {
            update_post_meta($post_id, 'cost_value_key', $priceHotel);
            update_post_meta($post_id, 'hotel_value_key', $hotel);
            update_post_meta($post_id, 'lft_night_field', $night);
        };

        wp_insert_term( $foodBoard, 'lftfood', array(
            'description' => $foodBoard,
            'parent'      => 0,
            'slug'        => $foodBoard,
        ) );

        wp_insert_term( $accomodation, 'lftmonth', array(
            'description' => $accomodation,
            'parent'      => 0,
            'slug'        => $accomodation,
        ) );
    }

foreach ($data as $value) {
    var_dump($value);
    foreach ($value as $v) {
        var_dump($v);

...
    }
}

$input = file_get_contents('php://input');
$data = json_decode($input, true) ?? [];

var_export([
    'input' => $input,
    'data' => $data,
], false);

array (
  'input' => '',
  'data' => array (),
)