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

PHP function to get remote file size_PHP tutorial

WBOY
Release: 2016-07-21 15:41:19
Original
976 people have browsed it

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 ". ...
source:php.cn
Statement of this Website
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
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template