ใช้ฟังก์ชั่น function.move-uploaded-file] แล้วไฟล์เอกสารไม่เข้าใน Folder ครับ

<?php
	include("connec_db.php");

	
	$journal_id =time();
	$j_name	=$_REQUEST["j_name"];
	$j_leveledu =$_REQUEST["j_leveledu"];
	$j_acadpos	=$_REQUEST["j_acadpos"];
	$j_status_jor =$_REQUEST["j_status_jor"];
	$j_typesent =$_REQUEST["j_typesent"];
	$j_bransent =$_REQUEST["j_bransent"];
	$j_title_th =$_REQUEST["j_title_th"];
	$j_title_en =$_REQUEST["j_title_en"];
	$j_auther =$_REQUEST["j_auther"];
	$j_address =$_REQUEST["j_address"];
	$user_id =$_REQUEST["user_id"];
	$date_save =$_REQUEST["date_save"];

	$sql="insert into save_journal(journal_id, j_name, j_leveledu, j_acadpos, j_status_jor, j_typesent, j_bransent, j_title_th, j_title_en, j_auther, j_address, user_id, date_save)
	value('$journal_id', '$j_name', '$j_leveledu', '$j_acadpos', '$j_status_jor', '$j_typesent', '$j_bransent', '$j_title_th', '$j_title_en', '$j_auther', '$j_address', '$user_id', '".(date('Y-m-d H:i:s'))."')";

if(mysqli_query($con, $sql)){
	
	echo "<form name='frm_add' method='post' action='add_journal_user.php'>";
			echo "<input type='hidden' name='status_save' value='y'>";
		echo "</form>";
		echo "<script>document.frm_add.submit();</script>";
	
	
}else{
	echo mysqli_error($con);
}

if(move_uploaded_file($_FILES["filUpload_doc"]["tmp_name"],"filUpload_doc/".$_FILES["filUpload_doc"]["name"])){
	
	
}
	
?>