Передача данных из одного php скрипта в другой php скрипт

<?php
// дані доступу до бази даних
$mysqli = new mysqli('*', '*', '*', '*');
$mysqli->set_charset("utf8");
// 
$uid = $_POST['uid'];
 
$mainresult = mysqli_query($mysqli, "SELECT uid FROM ефи WHERE uid='$uid'"); 
$mainrow = mysqli_fetch_array($mainresult);
 
if (!$mainrow) {
// 
    $prepared = $mysqli->prepare("INSERT INTO `ефи` VALUES(NULL, ?, ?, ?, 1000, 1, 0)");
    $prepared->bind_param('iss', $_POST['uid'], $_POST['first_name'], $_POST['last_name']);
    $prepared->execute();
    $prepared->close();
}
// Подготовка к передачи в другой скрипт
$queryMy = "SELECT * FROM ефи WHERE uid='$uid'";
$connect = mysqli_query($mysqli, $queryMy);
$row = mysqli_fetch_array($connect);
$UID = $row['uid']
 
include 'aps.php';
 
?>

<?php
// 
$mysqli = new mysqli('*', '*', '*', '*');
$mysqli->set_charset("utf8");
// 
$aps = $_POST['aps'];
 
$perem = $mysqli->query("UPDATE `tab` SET `aps`=? WHERE uid='$UID' "); 
$perem->bind_param('i', $_POST['aps']);
$perem->execute();
$perem->close();
}
?>

$perem = $mysqli->query("UPDATE `tab` SET `aps`=? WHERE uid='$UID' "); 
$perem->bind_param('i', $_POST['aps']);
$perem->execute();
$perem->close();

$perem = $mysqli->prepare("UPDATE `tab` SET `aps`=? WHERE uid='$UID' "); 
$perem->bind_param('i', $_POST['aps']);
$perem->execute();
$perem->close();

$UID = $row['uid']