<?php class ImageHandler { /** * Download an image * @param string $url Url to the image * @return false|string False if failed, else the data of the image (converted to grayscale jpeg) */ public static function DownloadImage($url){ $data = Http::Request($url); $imgFile = @imagecreatefromstring($data); if($imgFile !== false){ $result = self::CreateImage($imgFile); imagedestroy($imgFile); return $result; } return false; } /** * Create an image * @param resource $img Create an image created with createimagetruecolor * @return false|string False if failed, else the data of the image (converted to grayscale jpeg) */ public static function CreateImage($img){ try{ imagefilter($img, IMG_FILTER_GRAYSCALE); ob_start(); imagejpeg($img); $image = ob_get_contents(); ob_end_clean(); return $image; }catch(Exception $e){ return false; } } } ?>