<form action="" method="post" enctype="multipart/form-data">
 <input type="file" name="uploadfile">
<input type="submit" name="up_img" value="Загрузить">
</form>
<font color="red">
<?php
if (isset($errors)){
	echo implode('<br>', $errors) .'<br>';
}
?>
</font>




<?php
	




			if(isset($_POST['up_img'])){
			
				$img = new img_up();
				$img->upload_dir='../images/';
				
				
					if($img->move($_FILES['uploadfile']['tmp_name'],$_FILES['uploadfile']['name']) == 0){
					
						$errors=array();
						$errors[]='Файл не загружен!';
					
					}
					else{
					
						$errors=array();
						$errors[]='Файл успешно загружен! <br> Ссылка на файл: '.$img->upload_file;
					
					}
				
				
			}
				
				
				
				
				class img_up {
				
					var $upload_dir;
					var $upload_file;
					private $file_name;
					private $new_name;
					
					
					function move($file, $new_name){
					
						$this->file_name=$file;
						$this->new_name=$new_name;
						
							if(!copy($this->file_name, $this->upload_dir.$this->new_name)){
								
								return 0;
							}
							else{
                                                               $this->upload_file=$this->new_name;
								return 1;

							}
					
					}
					
				
				}
?>

$_FILES['uploadfile']['name']) == 0

!isset($_FILES['uploadfile']['name']);