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I am currently streaming my mp4 files perfectly fine using php. My issue is, how do I detect when the video is either no longer being watched, or disconnected? I need to run a function after this so that I know the video is no longer being watched for analytics. Is there a way maybe with sockets or something? I'm currently using this. if (file_exists($request)) { $fp = @fopen($request, 'rb'); $size = filesize($request); $length = $size; $start = 0; $end = $size - 1; header("Content-Type: video/mp4"); header('Accept-Ranges: 0-' . $length); if (isset($_SERVER['HTTP_RANGE'])) { $c_start = $start; $c_end = $end; list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2); if (strpos($range, ',') !== false) { header('HTTP/1.1 416 Requested Range Not Satisfiable'); header('Content-Range: bytes ' . $start . '-' . $end . '/' . $size); exit(); } if ($range == '-') { $c_start = $size - substr($range, 1); } else { $range = explode('-', $range); $c_start = $range[0]; $c_end = (isset($range[1]) && is_numeric($range[1]) ? $range[1] : $size); } $c_end = ($end < $c_end ? $end : $c_end); if (($c_end < $c_start) || (($size - 1) < $c_start) || ($size <= $c_end)) { header('HTTP/1.1 416 Requested Range Not Satisfiable'); header('Content-Range: bytes ' . $start . '-' . $end . '/' . $size); exit(); } $start = $c_start; $end = $c_end; $length = ($end - $start) + 1; fseek($fp, $start); header('HTTP/1.1 206 Partial Content'); } header('Content-Range: bytes ' . $start . '-' . $end . '/' . $size); header('Content-Length: ' . $length); ob_end_flush(); $buffer = 8192; $time_start = time(); $bytes_read = 0; while (!feof($fp) && (($p = ftell($fp)) <= $end)) { $response = stream_get_line($fp, $buffer); echo $response; $bytes_read += strlen($response); if (30 <= time() - $time_start) { file_put_contents('/var/www/html/movieCon/'.$user.'_'.$token.'_'.$movie_id.'.con', time()); $time_start = time(); $bytes_read = 0; } } fclose($fp); exit(); }