Home  >  Article  >  Backend Development  >  PHP function to get remote file size_PHP tutorial

PHP function to get remote file size_PHP tutorial

WBOY
WBOYOriginal
2016-07-21 15:41:19964browse

Copy code The code is as follows:

function getFileSize($url){
$url = parse_url ($url);
if($fp = @fsockopen($url['host'],empty($url['port'])?80:$url['port'],$error)){
fputs($fp,"GET ".(empty($url['path'])?'/':$url['path'])." HTTP/1.1rn");
fputs( $fp,"Host:$url[host]rnrn");
while(!feof($fp)){
$tmp = fgets($fp);
if(trim($tmp) == ''){
break;
}else if(preg_match('/Content-Length:(.*)/si',$tmp,$arr)){
return trim($arr [1]);
}
}
return null;
}else{
return null;
}
}
//Call method
echo getFileSize("http://www.jb51.net/images/logo.gif")
?>

After everyone runs it, the size should be 4445 bytes.

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/321208.htmlTechArticleCopy the code as follows: ?php function getFileSize($url){ $url = parse_url($url); if ($fp = @fsockopen($url['host'],empty($url['port'])?80:$url['port'],$error)){ fputs($fp,"GET ". ...
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