PHP remote download image code sharing

There are many ways to download pictures remotely with PHP. This article mainly shares with you the PHP code for downloading pictures remotely. I hope it can help you.

/*
*功能：php完美实现下载远程图片保存到本地
*参数：文件url,保存文件目录,保存文件名称，使用的下载方式
*当保存文件名称为空时则使用远程文件原来的名称
*/
function getImage($url,$save_dir='',$filename='',$type=0){
    if(trim($url)==''){
        return array('file_name'=>'','save_path'=>'','error'=>1);
    }
    if(trim($save_dir)==''){
        $save_dir='./';
    }
    if(trim($filename)==''){//保存文件名
        $ext=strrchr($url,'.');
        if($ext!='.gif'&&$ext!='.jpg')
        {
            return array('file_name'=>'','save_path'=>'','error'=>3);
        }
        $filename=time().$ext;
    }
    if(0!==strrpos($save_dir,'/')){
        $save_dir.='/';
    }

    //创建保存目录
    if(!file_exists($save_dir)&&!mkdir($save_dir,0777,true)){
        return array('file_name'=>'','save_path'=>'','error'=>5);
    }

    //获取远程文件所采用的方法
    if($type){

        $ch=curl_init();
        $timeout=5;
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);
        $img=curl_exec($ch);
        curl_close($ch);
    }else{
        ob_start();
        readfile($url);
        $img=ob_get_contents();
        ob_end_clean();
    }

    //$size=strlen($img);
//文件大小

    $fp2=@fopen($save_dir.$filename,'a');
    fwrite($fp2,$img);
    fclose($fp2);
    unset($img,$url);
    return array('file_name'=>$filename,'save_path'=>$save_dir.$filename,'error'=>0);
}

Friends who need it can try it.

Related recommendations:

About the implementation of PHP remote download function

##php remote download class sharing, php remote download sharing_PHP tutorial

php remote download class sharing, php remote download sharing

The above is the detailed content of PHP remote download image code sharing. For more information, please follow other related articles on the PHP Chinese website!