Home > Article > Backend Development > Use PHP to get remote images and save them to local code_PHP tutorial
Use PHP to get remote images and save them to local code_PHP tutorial
- WBOYOriginal
- 2016-07-21 15:52:26880browse
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;
}
$img=GrabImage("http://news.bbc.co.uk/images/_1978837_detector_ap100.jpg","");
if($img):echo '
<img src="'.$img.'">';else:echo "false";endif;
?>
dedecms中的:
if(!empty($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);
}
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：How to prevent hotlinking in PHP programs_PHP TutorialNext article：How to prevent hotlinking in PHP programs_PHP Tutorial