<?
	class Upload {
		private $filesize,$upload,$path;

		function __construct($filesize,$upload,$path) {
			$this->filesize = $filesize;
			$this->upload = $upload;
			$this->path = $path;
			$this->source = $source;
		}
		function calcImage($image) {

		}

		function uploadImage($maxHeight = '',$maxWidth = '') {
			if($this->upload['size'] < $this->filesize  && !$this->upload['error']) {
				$this->path = $this->path . substr(hash('sha512', uniqid(rand(), true)), 0, 6) . strtolower(preg_replace('/[^0-9A-Za-z.]/i', '', basename($this->upload['name'])));

				if(@move_uploaded_file($this->upload['tmp_name'], $this->path)) {
					if($maxHeight && $maxWidth) {
						switch($this->upload['type']) {
							case 'image/png':
								$this->source = imagecreatefrompng($this->path);
								break;
							case 'image/jpeg':
								$this->source = imagecreatefromjpeg($this->path);
								break;
							case 'image/gif':
								$this->source = imagecreatefromgif($this->path);
								break;
						}

						list($width, $height) = getimagesize($this->path);
						$xRatio = $maxWidth / $width;
						$yRatio = $maxHeight / $height;

						if (($width <= $maxWidth) && ($height <= $maxHeight)) {
							$newWidth = $width;
							$newHeight = $height;
						}

						elseif (($xRatio * $height) < $maxHeight) {
							$newHeight = ceil($xRatio * $height);
							$newWidth = $maxWidth;
						}

						else {
							$newWidth = ceil($yRatio * $width);
							$newHeight = $maxHeight;
						}

						$tmp = imagecreatetruecolor($newWidth, $newHeight);
						imagecopyresampled($tmp, $this->source, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);

						if(@unlink($this->path)) {
							imagejpeg($tmp, $this->path, 100);
							imagedestroy($this->source);
							imagedestroy($tmp);
						}
					}

					return $this->path;
				}
			}
		}
	}
?>