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我得到了以下 m3u8 作为 php 变量（$returned_content）。现在我想用 video2.de.secondsite.net 替换所有m3u8 的proxy-63.somesite.com部分，然后为每个分辨率创建一个超链接并将所有超链接放在 textarea 中。（对于每个分辨率超链接，我想放置分辨率m3u8 在超链接标题后的括号中）。

谁能告诉我如何完成这项任务？提前致谢

#EXTM3U
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=768x432
http://proxy-63.somesite.com/sec(42341234k32jlkjk234lkwerwlk32432)/video/600/500/12345678_mp4_h264_aac_hq_2.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=246440,CODECS="mp4a.40.2,avc1.42000d",RESOLUTION=320x180
http://proxy-63.somesite.com/sec(45432kjkhjkj4535lkj34543454lkj43)/video/600/500/12345678_mp4_h264_aac_ld_2.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=460560,CODECS="mp4a.40.2,avc1.42001e",RESOLUTION=512x288
http://proxy-63.somesite.com/sec(dfgghdfdgd987435392429324343241k)/video/600/500/12345678_mp4_h264_aac_2.m3u8

PHP

$returned_content = get_data(''.$m3u8Url);


/* gets the data from a URL */
function get_data($url) {
    $ch = curl_init();
    $timeout = 5;
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
    $data = curl_exec($ch);
    curl_close($ch);
    return $data;
}

    $link_text .="<a href=\"../Player.php?&vidID=".$m3u8Url."&title=".$title_name."\">".$title_name."."(".".$resolution.".")"</a><br/>\n";
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