Online PHP editor | refs for 3c8o9

<?php function lzw_compress($string) { // compression $dictionary = array_flip(range("\0", "\xFF")); $word = ""; $codes = array(); for ($i=0; $i <= strlen($string); $i++) { $x = substr($string, $i, 1); if (strlen($x) && isset($dictionary[$word . $x])) { $word .= $x; } elseif ($i) { $codes[] = $dictionary[$word]; $dictionary[$word . $x] = count($dictionary); $word = $x; } } // convert codes to binary string $dictionary_count = 256; $bits = 8; // ceil(log($dictionary_count, 2)) $return = ""; $rest = 0; $rest_length = 0; foreach ($codes as $code) { $rest = ($rest << $bits) + $code; $rest_length += $bits; $dictionary_count++; if ($dictionary_count >> $bits) { $bits++; } while ($rest_length > 7) { $rest_length -= 8; $return .= chr($rest >> $rest_length); $rest &= (1 << $rest_length) - 1; } } return $return . ($rest_length ? chr($rest << (8 - $rest_length)) : ""); } /** LZW decompression * @param string compressed binary data * @return string original data */ function lzw_decompress($binary) { $dictionary_count = 256; $bits = 8; $codes = array(); $rest = 0; $rest_length = 0; mb_internal_encoding("UTF-8"); for ($i = 0; $i < mb_strlen($binary); $i++ ) {$codes[] = mb_ord(mb_substr($binary, $i, 1)); } // decompression $dictionary = range("\0", "\xFF"); $return = ""; foreach ($codes as $i => $code) { $element = $dictionary[$code]; if (!isset($element)) $element = $word . $word[0]; $return .= $element; if ($i) $dictionary[] = $word . $element[0]; $word = $element; } return $return; } function mb_ord($string) { if (extension_loaded('mbstring') === true) { mb_language('Neutral'); mb_internal_encoding('UTF-8'); mb_detect_order(array('UTF-8', 'ISO-8859-15', 'ISO-8859-1', 'ASCII')); $result = unpack('N', mb_convert_encoding($string, 'UCS-4BE', 'UTF-8')); if (is_array($result) === true) return $result[1]; } return ord($string); } echo lzw_decompress("\n1Ì‡“ÙŒÞl7œ‡B1„4vb0˜Ífs‘¼ên2BÌÑ±Ù˜Þn:‡#(¼b.\rDc)ÈÈa7E„‘¤Âl¦Ã±”èi1ÌŽs˜´ç-4™‡fÓ ÈÎi7†³é†„ŽŒFÃ©”vt2ž‚Ó!–r0Ïãã£t~½U'3M€ÉW„B¦'cÍPÂ:6T\rc£A¾zr_îWK¶\r-¼VNFS%~Ãc²Ùí&›\\^ÊrÀ›æu‚ÅŽÃžôÙ‹4'7k¶è¯ÂãQÔæhš'g\rFB\ryT7SS¥PÐ1=Ç¤cIèÊ:d”ºm>£S8L†Jœt.M¢Š Ï‹`'C¡¼ÛÐ889¤È ŽQØýŒî2#8Ð£’˜6mú²†ðjˆ¢h«<…Œ°«Œ9/ë˜ç:Jê)Ê‚¤\0d>!\0Z‡ˆvì»në¾ð¼o(Úó¥ÉkÔ7½sàù>Œî†!ÐR\"*nSý\0@P\"Áè’(‹#[¶¥£@g¹oü’znþ9k¤8†nš™ª1´I*ˆô=Ín²¤ª¸è0«c(ö;¾Ã Ðè!°üë*cì÷>ÎŽ¬E7DñLJ© 1ÊJ=ÓÚÞ1L‚û?Ðs=#`Ê3\$4ì€úÈuÈ±ÌÎzGÑC YAt«?;×QÒk&ÇïYP¿uèåÇ¯}UaHV%G;ƒs¼”<A\0\\¼ÔPÑ\\Âœ&ÂªóV¦ð\n£SUÃtíÅÇrŒêˆÆ2¤ l^íZ6˜ej…Á³A·dó[ÝsÕ¶ˆJP”ªÊóˆÒŒŠ8è=»ƒ˜à6#Ë‚74*óŸ¨#eÈÀÞ!Õ7{Æ6“¿<oÍCª9v[–MôÅ-`Óõkö>ŽlÙÚ´‹åIªƒHÚ3xú€›äw0t6¾Ã%MR%³½jhÚB˜<´\0ÉAQ<P<:šãu/¤;\\> Ë-¹„ÊˆÍÁQH\nv¡L+vÖÃ¦ì<ï\rèåvàöî¹\\* àÉçÓ´Ý¢gŒnË©¸¹TÐ©2P•\r¨øß‹\"+z 8£ ¶:#€ÊèÃÎ2‹ºJ[i—‚£¨;z˜ûÑô¡rÊ3#¨Ù‰ :ãní\rã½ƒeÙpdÝÝ è2cˆê4²k¿Š£\rG•æE6_³¢ú=î·SZUÇ·ãŒžO—ðÅ?¡éÃ¾27£cÝÐÅhnÆ‹Üùu3…E>\$J[Áq[\räIŠ6.ÆJÑ\"EPrèGÌŠGA ÝW¡³ž\rº´6Ík†¢½`.-¡ªB2>#ìhØÀˆXµøu\r¡¸=‡Z b€Å(¡â•ƒ!JZÈ”uªyO’×Z¥M˜Õ6lM[0©ä–€àß!ImñyÂ+pÉ#ag¡ÞŒvW˜:qp\"4ÅôòŸãheî…0 dÆAq-\"¡Êƒ§ÆÂ\"2ßÍÒ@‡)o‘,,”¤”×Rb`@©B@ÐÊÊ¯¤Q\n†èŠ·˜Z§„Â™=(r~‰l©~¯ÄhˆsAllÖ\n7»!1! Ü#é\0KË…A“LH(½!ÔÊ˜agH\0ÄT\ni˜/È\$ôöœ4GaÎIÉ!¸.—Å˜5§ÅM\rÑ2‘‚Ï Ù;ƒ,öžLIJ†äÃd?“ÒºÅí%Õˆ:çN@b.âª2í5’«ôt:FAw²B£EŽ,Ç-\$ù£'ê:Ó©u©?¨tK;kÍàžÐ¸¨ä\0ouMD)k_Phž˜Ó5MC}7‚…È2‡w.QB¦8)ìÀ†8(DIù=©éy`Øed\0s,`É•jŒHÄ\"(b³¢Ä\\ÙÖnl’\"Ù‚^Ëì€eE½\nèáë±X!SqXÔÀ\r©Œ€7A±ž†0ê£y7pPìºðçaüA˜4‡ƒ(yÖJwm…2…òª.¯ó‰†¬fp°ÏË;Æ„5ÂJÍcÜqŒQz\\\0[Hÿ 3‘f'b¼µFðøÆY¨\nAà9_§IÞà(›fÎÓq‘VÑÅ¨äõ³4µÜò¹‚„RIÂYå&J’ºFñ}£{FTëh9[7‚h\0à‹TÖ^ö´jËÔq×j‹õžÕ”§€cÂWIð@`_ÑsVDçÃ[¾\"{1áÈ3‡• ŽÚô»÷¨<…l¼l.±éÐ[¨»Þ#Ä¯º¤b°Þu¶/Ÿ\0ä3ævaå«‘Dp>‚2½IDWÕš¢kKAŒ»hHš]¨FÆ•ã€W–!]‰Ê÷ltÜÉ•RÌ4L[äÐÅYC cTj<c;s‡q¸p€’ Ä5ÅtóJ§m6—%J”-\\õÍeB=iß-ð*%´·¦÷¢TV‹[&M8ó*\r™bÄY\rihˆ „ÙPŒ9T×-VÉ°ZÔúüÛ³ù49Î²™”ƒp-´`ÙÿÜÌÇGÉÙ›' ì¹ÐôM²:§Å™')0ƒYuÚcí:!«x#×¦è¦-l*®TÉ\nYläù†š³‹*D ÉXë V\\îËØÚ®ó]y¯ƒ\nÖ2r,É†åç,ÎdÐ×~Å³Ý÷s³-ç+Ö»uÛ]£\\BÀ¶¥²Iw€Ô!ƒOsØÔ¯lò YCÁÐ‚È:À@ÆœEUË._)Ë9uÿzœµvÏˆSÎ´¬1ï—é_(Sõéqé½¡r¾yuî+¥Z*ê6€uy¿<ÉÇõz\\|ØZK;áe›×–úoYåÀ;°óžÃl‘´xöà-7×ô÷4rkYY?ÔÕGWt¡¼÷[KÚšÃåzoØ<¿€Íà têÏô†¶¾ù—É€gçýjð‡_!ào…êÊ\$ Iã¹ÀI¿.&Ü5½P\\—›]¥Àè†Æ\nCØ.ïÖ_¹ø;¿çs«iíS/gÖ:ÞPëÉ³auNÍ¨|Æaáå¯á™º¬±¢µÓâ«6ØÓŽÙž3Ö|÷¾‡Ä{©ceîXòù<°e«p>Ní}´í~âÿO¾¡÷Ò™Bl¿ÂjÊ/¢óKø¼Hdch-Ë¾ýŽºØšð/ûîÜþÎäùÈ¶·hÔž0ŽÀÐŒÈÐ‹ÌúÎH©8j6é\n+d l7\r ¾ ÀÚ…0N7eZ°0`m Ën¢ÝÃp\0Ð\0¾} Ç@[ãi0˜ðƒ ð~…¤4P•\nÐ”bÐ¯0©p‹ P¢4@ïPŠê‡‰‚I\0``f”ë\r```˜°Yð¢zÀß Põ€ê\rð¯°¿ pÎ¤y HÕq¬@Øñ QÆq‡Ñ ¬`¿±Ñbi‚”ŒUÐ¡ñš@`)™ðÁÐôàì)°ÍÑZèpj(Ñ--lÕâêÖ1Q%póñYÑ\n1}°ÏÍ\\*¤“hÿŒ{§†C0°#€ÆHˆ˜0T‚qAäöðb”=‘Â…±f- éðÿqÒiAðs'QÏ‘ÝÑã‘Z\rRc'°å`Œ«q¾èY’Q1±Ò2!r\"Qó1÷ Qï!qûr\0°B˜²DÑwð”\0Û±¾ªñqÑ\$òSÃÙ\"¬]qåò@`è±²@,Ÿ\"r\"ò)&Ñô&é\nt€äbèm0˜2‘)Qw\nÀÖ ó æò¦p(0«*ò³‡ÒŽ±ò¡£q\nÃ&i\nî\"ùp£’Á1Õ‘CÒá‡Ï\"Á.1y.q^òøŸ2ñòð\0Ï.òõQ×0ó¬rýÑ)/\0Ú”!/¹.S+1Rë/3:5ÀÆó11³\nBÑ43 4±G#ã€œ`ŒSa °ra6‘Îâes7Óq£,æ©¹j3q4)\$ˆ˜‰«à@*Ò×-²Í9ñá¢\n±ë\"0‹',ÑhõS}\"Ÿ3ss9ðÅ1ó½7S-=1g4 ß<pr.€Û)LA9ê¶ÍÂ´ êÁ/9ÏSÍ?“/5H}>É.«‰4LD;‘¿@2!AÑã@³áôBråÔ-/ô+016Sì˜#„)Š˜\"ÂŽi@€`P;.\n€<)Ô±ôV\nl8K#gkød|¶ƒ8ãlÁÂâ.lf.ô?œA@\rÃ†.¤\$J2tN#ôRr¢AE¢ËEéë´e€ËF‚óFÓ¦g8*€");