PHP קוד:
function GetFLVDuration($file){
// get contents of a file into a string
if (file_exists($file)){
$handle = fopen($file, "r");
$contents = fread($handle, filesize($file));
fclose($handle);
//
if (strlen($contents) > 3){
if (substr($contents,0,3) == "FLV"){
$taglen = hexdec(bin2hex(substr($contents,strlen($contents)-3)));
if (strlen($contents) > $taglen){
$duration = hexdec(bin2hex(substr($contents,strlen($contents)-$taglen,3))) ;
return $duration;
}
}
}
}
return false;
}