Hoi Kang Granville DVR remote access to remote file size PHP function

Copy the Code code as follows:

function GetFileSize ($url) {
$url = Parse_url ($url);
if ($fp = @fsockopen ($url [' Host '],empty ($url [' Port ']): $url [' Port '], $error)) {
Fputs ($fp, "GET". Empty ($url [' path '])? ' /': $url [' path ']). " Http/1.1\r\n ");
Fputs ($FP, "Host: $url [host]\r\n\r\n");
while (!feof ($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;
}
}
Calling methods
Echo getfilesize ("Http://www.jb51.net/images/logo.gif")
?>

After everyone runs, the size should be 4445 bytes.

The above describes the Sea Conway Video DVR remote access to remote file size PHP function, including the Sea Conway Video DVR Remote aspects of the content, I hope to be interested in PHP tutorial friends helpful.

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