<?php
class cropImage{
	var $imgSrc,$myImage,$cropHeight,$cropWidth,$x,$y,$thumb;

	function setImage($image){
		//Your Image
  		 $this->imgSrc = $image; 
		//getting the image dimensions
  		list($width, $height) = getimagesize($this->imgSrc); 
		//create image from the jpeg
		$this->myImage = imagecreatefromjpeg($this->imgSrc) or die("Error: Cannot find image!"); 
		if($width > $height){
			$biggestSide = $width; //find biggest length
			}
		else{
			$biggestSide = $height; 
			}
                     
		//The crop size will be half that of the largest side 
  		$cropPercent = .5; // This will zoom in to 50% zoom (crop)
		$this->cropWidth   = $biggestSide*$cropPercent; 
		$this->cropHeight  = $biggestSide*$cropPercent; 
                     
                     
		//getting the top left coordinate
		$this->x = ($width-$this->cropWidth)/2;
		$this->y = ($height-$this->cropHeight)/2;
		}  

	function createThumb(){
		$thumbSize = 250; // will create a 250 x 250 thumb
		$this->thumb = imagecreatetruecolor($thumbSize, $thumbSize); 
		imagecopyresampled($this->thumb, $this->myImage, 0, 0,$this->x, $this->y, $thumbSize, $thumbSize, $this->cropWidth, $this->cropHeight); 
		}

	function renderImage(){
		header('Content-type: image/jpeg');
		imagejpeg($this->thumb);
		imagedestroy($this->thumb); 
		}  
}
	$src= $_GET['src'];
	$image = new cropImage();
	$image->setImage($src);
	$image->createThumb();
	$image->renderImage();


?>