Save web page as image php function class to save remote image to local

//
// Function: Get the remote image and save it locally
//
//
// Make sure you have permission to write the file to the local server
//
//
// Variable description:
// $url is the complete URL address of the remote image and cannot be empty.
// $filename is an optional variable: if empty, the local file name will be automatically generated based on time and date
//
function GrabImage($url,$filename="") {
if($url=="" ):return false;endif;
if($filename=="") {
$ext=strrchr($url,".");
if($ext!=".gif" && $ext!=". jpg"):return false;endif;
$filename=date("dMYHis").$ext;
}
ob_start();
readfile($url);
$img = ob_get_contents();
ob_end_clean();
$size = strlen($img);
$fp2=@fopen($filename, "a");
fwrite($fp2,$img);
fclose($fp2);
return $filename;
}
$img=GrabImage("/upload/20081208002838680.jpg","");
if($img):echo '

?> in dedecms: if(!empty($saveremoteimg)) 
{ 
$body = stripslashes($body); 
$img_array = array(); 
 preg_match_all("/(src|SRC)=["|'| ]{0,}(http://(.*).(gif|jpg|jpeg|bmp|png))/isU",$body,$ img_array); 
$img_array = array_unique($img_array[2]); 
set_time_limit(0); 
$imgUrl = $img_dir."/".strftime("%Y%m%d",time()); 
 $imgPath = $base_dir.$imgUrl; 
$milliSecond = strftime("%H%M%S",time()); 
if(!is_dir($imgPath)) @mkdir($imgPath,0777); 
foreach ($img_array as $key =>$value) 
{ 
$value = trim($value); 
$get_file = @file_get_contents($value); 
$rndFileName = $imgPath."/".$milliSecond.$ key.".".substr($value,-3,3); 
$fileurl = $imgUrl."/".$milliSecond.$key.".".substr($value,-3,3); 
 if($get_file) 
{ 
$fp = @fopen($rndFileName,"w"); 
@fwrite($fp,$get_file); 
@fclose($fp); 
} 
$body = ereg_replace($ value,$fileurl,$body); 
} 
$body = addslashes($body); 
}
                
                
                


                    The above introduces the function class for saving web pages as images and saving remote images to the local in PHP, including the content of saving web pages as images. I hope it will be helpful to friends who are interested in PHP tutorials.