웹파일(원격)을 로컬에 저장하는 함수

<?php
/**
 * 원격파일을 로컬에 저장
 *
 * @param text $url
 * @param text $savefile
 */
function getRemoteFile($url,$savefile) {
    $dirname = dirname($savefile);
    $url_info = parse_url($url);
    
    if(!is_dir($dirname)) {
        mkdir($dirname,0777);
    }
    
    $fp = fsockopen($url_info['host'], 80);
    if(!$fp) {
        return FALSE;
    }
    
    $fp1 = fopen($savefile,'w+');
    if(!$fp1) {
        return FALSE;
    }
    
    fputs($fp,"GET ".$url_info['path'].($url_info['query'] ? '?'.$url_info['query'] : '')." HTTP/1.0\r\n");
    fputs($fp,"Host: ".$url_info['host']."\r\n");
    fputs($fp,"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n");
    fputs($fp,"Connection: close\r\n\r\n");
    
    while(trim($buf = fgets($fp,1024))) {}  //헤더부분 건너뜀

    while(!feof($fp)) {
        fwrite($fp1,fgets($fp,1024));
    }
    
    fclose($fp1);
    fclose($fp);
    
    return TRUE;
}
?>