ปัญหาการอัพโหลดรูปภาพ Allowed memory size of 25165824 bytes exhausted (tried to allocate 1944 bytes)

<?
//upload image 1
	for($i=0;$i<count($_FILES["fileUpload"]["name"]);$i++)
	{
		if(trim($_FILES["fileUpload"]["tmp_name"][$i]) != "")
		{
			$images = $_FILES["fileUpload"]["tmp_name"][$i];
			$new_images = $_FILES["fileUpload"]["name"][$i];
			
			//mkdir("MyResize/".$_POST['txtUsername']);
			
			// Place image in the folder 
			//mkdir("images/$pid", 0700); //สร้างโฟลเดอร์
			//$newname = $fileUpload."_im.jpg";
			
			//copy($_FILES["fileUpload"]["tmp_name"][$i],"MyResize/".$_POST['txtUsername']."/".$_FILES["fileUpload"]["name"][$i]);
			//move_uploaded_file( $_FILES['fileUpload']['tmp_name'],"MyResize/".$_FILES["fileUpload"]["name"][$i]);
						
			copy($_FILES["fileUpload"]["tmp_name"][$i],"MyResize/$txtUsername"."_1_".$_FILES["fileUpload"]["name"][$i]);
			
			//copy($_FILES["fileUpload"]["tmp_name"][$i],"MyResize/".$_FILES["fileUpload"]["name"][$i]);
			$width=640; //*** Fix Width & Heigh (Autu caculate) ***//
			$size=GetimageSize($images);
			$height=round($width*$size[1]/$size[0]);
			$images_orig = ImageCreateFromJPEG($images);
			$photoX = ImagesX($images_orig);
			$photoY = ImagesY($images_orig);
			$images_fin = ImageCreateTrueColor($width, $height);
			ImageCopyResampled($images_fin, $images_orig, 0, 0, 0, 0, $width+1, $height+1, $photoX, $photoY);
			//ImageJPEG($images_fin,"MyResize/".$_POST['txtUsername']."/".$_FILES["fileUpload"]["name"].$new_images); 
			ImageJPEG($images_fin,"MyResize/$txtUsername".$new_images); 
			ImageDestroy($images_orig);
			ImageDestroy($images_fin);
			
			//User Make No Echo
			//echo "Resize Successful.<br>";

			//*** Insert Record ***//
			$objConnect = mysql_connect("localhost","library","compaq") or die("Error Connect to Database");
			$objDB = mysql_select_db("library");
			$strSQL = "INSERT INTO book_image";
			$strSQL .="(image_path,book_isbn,image_type) VALUES 	
			
			('"."MyResize/".$_POST['txtUsername']."_1_".$_FILES["fileUpload"]["name"][$i]."','".$_POST['txtUsername']."','1')";
			//('".$new_images."','".$_FILES["fileUpload"]["name"][$i]."','".$_POST['txtUsername']."')";
			$objQuery = mysql_query($strSQL) or die(mysql_error());
		}
	}
//end upload image 1
?>