One Line of code to download youtube's flv file in php

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exec('wget -t 2  --cookies=on --keep-session-cookies --save-cookies=/home/cookie.txt http://www.youtube.com/get_video_info?video_id='.$video_id.' -qO- | sed -n "/fmt_url_map/{s/[\\&]/\\n/g;p}" | sed -n \'/^fmt_url_map=/p\'  | sed -n "s/\\%7C/\\n/g;p"  | sed -n \'/itag%3D5/p\'|  sed \'s/%3A/:/g;s/%2F/\\//g;s/%3F/\\?/g;s/%3D/=/g;s/%26/\\&/g ;s/%25/%/g \' | wget  --cookies=on --load-cookies=/home/cookie.txt  -i - -O '.$video_path);