<?php date_default_timezone_set("Asia/Shanghai"); $channel = empty($_GET['id']) ? "emdy4k_8000" : trim($_GET['id']); $array = explode("_", $channel); if (isset($array[1])) { $stream = "http://[240e:944:6::22]/live2.rxip.sc96655.com/live/8ne5i_sccn,{$array[0]}_hls_pull_{$array[1]}K/"; } else { $stream = "http://[240e:944:6::22]/live2.rxip.sc96655.com/live/8ne5i_sccn,{$array[0]}_hls_pull_4000K/"; } $timestamp = intval((time() - 60) / 6); $current = "#EXTM3U" . "\r\n"; $current .= "#EXT-X-VERSION:3" . "\r\n"; $current .= "#EXT-X-TARGETDURATION:6" . "\r\n"; $current .= "#EXT-X-MEDIA-SEQUENCE:{$timestamp}" . "\r\n"; for ($i = 0; $i < 6; $i++) { $current .= "#EXTINF:6," . "\r\n"; $current .= $stream . rtrim(chunk_split($timestamp, 3, "/"), "/") . ".ts" . "\r\n"; $timestamp = $timestamp + 1; } header("Content-Disposition: attachment; filename=index.m3u8"); echo $current;

explanation of the code: 

def add(a, b):
  return a + b