note 64398 added to function.gzuncompress

Reading an ID3v2.3+ tag it is versy useful, because these tag's frames might be compressed. Zlib compressed frame layout (ID3v2.3): Descriptior Size ------------------- Frameheader: Frame id: 4 bytes Frame size (full frame size - frameheader size): 4 bytes Frame flags: 2 bytes The 2nd byte's 7th bit must be 1 (e.g.: %1xy00000) Frame content decrompessed size: 4 bytes -------------------- Framecontent: Compressed string described in 'frame size' <?php $frame="[read from a mp3 file]"; $frame_id=substr($frame,0,4); /*....*/ $cs=substr($frame,10,4); $checksize=$cs[3]*16777216+$cs[2]*65536+$cs[1]*256+$cs[0]; $content=substr($frame,14,$contentsize); $content=gzuncompress($content); if(strlen($content)!=$checksize){ echo 'Error whil uncrompessing frame data<br>'; } echo $content; ?> ---- Server IP: 195.70.37.52 Probable Submitter: 212.40.97.36 ---- X-Spam-Status: No, hits=3.3 required=5.0 tests=DATE_MISSING,FROM_NO_LOWER, HTML_MESSAGE autolearn=no version=2.64 ---- Manual Page -- http://www.php.net/manual/en/function.gzuncompress.php Edit -- http://master.php.net/note/edit/64398 Del: integrated -- http://master.php.net/note/delete/64398/integrated Del: useless -- http://master.php.net/note/delete/64398/useless Del: bad code -- http://master.php.net/note/delete/64398/bad+code Del: spam -- http://master.php.net/note/delete/64398/spam Del: non-english -- http://master.php.net/note/delete/64398/non-english Del: in docs -- http://master.php.net/note/delete/64398/in+docs Del: other reasons-- http://master.php.net/note/delete/64398 Reject -- http://master.php.net/note/reject/64398 Search -- http://master.php.net/manage/user-notes.php