Online PHP editor | perf for 3c8o9

@ 2017-07-11T09:22:14Z

<?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*€");

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.3.6	0.014	0.004	16.75
8.3.5	0.000	0.015	16.23
8.3.4	0.009	0.006	18.64
8.3.3	0.009	0.006	18.46
8.3.2	0.004	0.004	20.16
8.3.1	0.006	0.003	23.53
8.3.0	0.005	0.003	17.38
8.2.18	0.011	0.007	18.22
8.2.17	0.011	0.004	22.96
8.2.16	0.007	0.007	20.35
8.2.15	0.005	0.003	24.18
8.2.14	0.000	0.008	24.66
8.2.13	0.007	0.000	26.16
8.2.12	0.005	0.003	19.71
8.2.11	0.003	0.007	21.04
8.2.10	0.006	0.006	17.57
8.2.9	0.000	0.008	18.92
8.2.8	0.000	0.009	17.97
8.2.7	0.000	0.008	17.50
8.2.6	0.004	0.004	17.68
8.2.5	0.006	0.003	18.10
8.2.4	0.000	0.009	20.42
8.2.3	0.004	0.004	20.91
8.2.2	0.004	0.004	18.07
8.2.1	0.000	0.007	17.84
8.2.0	0.008	0.000	17.94
8.1.28	0.007	0.014	25.92
8.1.27	0.004	0.012	23.86
8.1.26	0.008	0.000	26.35
8.1.25	0.008	0.000	28.09
8.1.24	0.011	0.000	19.09
8.1.23	0.007	0.004	19.01
8.1.22	0.003	0.006	17.74
8.1.21	0.005	0.003	18.77
8.1.20	0.006	0.003	17.10
8.1.19	0.006	0.003	17.10
8.1.18	0.006	0.003	18.10
8.1.17	0.004	0.004	20.75
8.1.16	0.007	0.000	18.86
8.1.15	0.007	0.000	20.55
8.1.14	0.005	0.005	19.53
8.1.13	0.007	0.000	18.70
8.1.12	0.000	0.008	17.30
8.1.11	0.007	0.000	17.23
8.1.10	0.003	0.006	17.30
8.1.9	0.004	0.004	17.41
8.1.8	0.005	0.002	17.30
8.1.7	0.008	0.000	17.35
8.1.6	0.003	0.005	17.53
8.1.5	0.000	0.008	17.44
8.1.4	0.008	0.000	17.38
8.1.3	0.003	0.005	17.62
8.1.2	0.002	0.005	17.60
8.1.1	0.006	0.003	17.32
8.1.0	0.000	0.008	17.20
8.0.30	0.000	0.007	20.04
8.0.29	0.004	0.004	16.63
8.0.28	0.000	0.008	18.21
8.0.27	0.000	0.007	17.05
8.0.26	0.004	0.004	16.70
8.0.25	0.000	0.007	16.82
8.0.24	0.003	0.005	16.84
8.0.23	0.005	0.003	16.95
8.0.22	0.007	0.000	16.90
8.0.21	0.007	0.000	16.85
8.0.20	0.000	0.006	16.91
8.0.19	0.006	0.003	16.82
8.0.18	0.000	0.007	16.88
8.0.17	0.004	0.004	16.86
8.0.16	0.000	0.007	16.88
8.0.15	0.005	0.003	16.84
8.0.14	0.000	0.007	16.80
8.0.13	0.003	0.003	13.25
8.0.12	0.004	0.004	16.74
8.0.11	0.004	0.004	16.87
8.0.10	0.003	0.005	16.70
8.0.9	0.000	0.007	16.83
8.0.8	0.009	0.013	16.83
8.0.7	0.000	0.007	16.89
8.0.6	0.005	0.002	16.88
8.0.5	0.004	0.004	16.84
8.0.3	0.010	0.010	16.74
8.0.2	0.010	0.009	17.40
8.0.1	0.000	0.007	17.10
8.0.0	0.006	0.013	16.78
7.4.33	0.007	0.000	15.55
7.4.32	0.000	0.006	16.43
7.4.30	0.003	0.003	16.43
7.4.29	0.000	0.007	16.42
7.4.28	0.005	0.003	16.51
7.4.27	0.004	0.004	16.45
7.4.26	0.000	0.007	16.31
7.4.25	0.006	0.003	16.31
7.4.24	0.008	0.000	16.42
7.4.23	0.003	0.003	16.54
7.4.22	0.020	0.007	16.47
7.4.21	0.009	0.006	16.51
7.4.20	0.004	0.004	16.34
7.4.16	0.008	0.007	16.30
7.4.15	0.010	0.007	17.40
7.4.14	0.007	0.011	17.86
7.4.13	0.017	0.003	16.33
7.4.12	0.006	0.011	16.38
7.4.11	0.008	0.008	16.34
7.4.10	0.007	0.011	16.43
7.4.9	0.006	0.010	16.55
7.4.8	0.016	0.000	19.39
7.4.7	0.009	0.012	16.27
7.4.6	0.007	0.010	16.41
7.4.5	0.004	0.011	16.25
7.4.4	0.006	0.012	16.40
7.4.3	0.010	0.007	16.30
7.4.1	0.012	0.003	14.46
7.4.0	0.010	0.008	14.84
7.3.33	0.000	0.005	13.34
7.3.32	0.000	0.005	13.30
7.3.31	0.007	0.000	16.31
7.3.30	0.003	0.003	16.29
7.3.29	0.008	0.007	16.29
7.3.28	0.009	0.009	16.24
7.3.27	0.007	0.010	17.40
7.3.26	0.009	0.010	16.30
7.3.25	0.014	0.006	16.25
7.3.24	0.010	0.012	16.27
7.3.23	0.008	0.013	16.18
7.3.21	0.003	0.013	16.56
7.3.20	0.016	0.006	16.34
7.3.19	0.006	0.016	16.50
7.3.18	0.008	0.008	16.44
7.3.17	0.014	0.003	16.55
7.3.16	0.013	0.003	16.13
7.3.13	0.009	0.009	14.79
7.3.12	0.004	0.014	14.73
7.3.11	0.007	0.010	14.74
7.3.10	0.008	0.008	14.72
7.3.9	0.005	0.012	14.67
7.3.8	0.005	0.006	14.59
7.3.7	0.007	0.005	14.71
7.3.6	0.003	0.011	14.54
7.3.5	0.006	0.005	14.77
7.3.4	0.003	0.009	14.68
7.3.3	0.005	0.009	14.78
7.3.2	0.007	0.003	16.50
7.3.1	0.002	0.010	16.57
7.3.0	0.005	0.009	16.47
7.2.33	0.009	0.009	16.36
7.2.32	0.009	0.012	16.40
7.2.31	0.008	0.008	16.46
7.2.30	0.006	0.011	16.46
7.2.29	0.012	0.012	16.55
7.2.26	0.012	0.009	14.74
7.2.25	0.004	0.011	15.03
7.2.24	0.005	0.013	15.07
7.2.23	0.010	0.005	14.92
7.2.22	0.006	0.010	14.84
7.2.21	0.006	0.008	14.72
7.2.20	0.005	0.008	14.89
7.2.19	0.003	0.008	15.04
7.2.18	0.007	0.007	14.92
7.2.17	0.005	0.008	14.82
7.2.16	0.007	0.007	15.06
7.2.15	0.007	0.004	16.57
7.2.14	0.000	0.011	16.86
7.2.13	0.005	0.008	16.72
7.2.12	0.014	0.004	16.64
7.2.11	0.004	0.011	16.62
7.2.10	0.005	0.011	16.74
7.2.9	0.005	0.006	16.66
7.2.8	0.005	0.008	16.76
7.2.7	0.007	0.007	16.70
7.2.6	0.005	0.010	16.67
7.2.5	0.005	0.008	16.74
7.2.4	0.001	0.010	16.47
7.2.3	0.005	0.009	16.52
7.2.2	0.005	0.008	16.67
7.2.1	0.004	0.009	16.60
7.2.0	0.007	0.005	17.33
7.1.33	0.008	0.087	15.83
7.1.32	0.003	0.087	15.87
7.1.31	0.008	0.080	15.99
7.1.30	0.007	0.081	16.02
7.1.29	0.006	0.083	15.77
7.1.28	0.008	0.090	15.80
7.1.27	0.008	0.081	15.82
7.1.26	0.010	0.079	15.94
7.1.25	0.004	0.088	16.02
7.1.24	0.003	0.099	16.00
7.1.23	0.003	0.096	15.82
7.1.22	0.003	0.089	15.98
7.1.21	0.000	0.091	15.88
7.1.20	0.003	0.079	15.95
7.1.19	0.003	0.088	15.91
7.1.18	0.003	0.084	15.79
7.1.17	0.003	0.085	16.09
7.1.16	0.010	0.074	15.95
7.1.15	0.003	0.091	16.08
7.1.14	0.003	0.084	15.68
7.1.13	0.003	0.087	16.00
7.1.12	0.007	0.094	15.80
7.1.11	0.013	0.080	16.09
7.1.10	0.002	0.083	16.88
7.1.9	0.003	0.090	16.13
7.1.8	0.003	0.093	16.10
7.1.7	0.007	0.100	16.64
7.1.6	0.016	0.104	25.44
7.1.5	0.011	0.105	25.50
7.1.4	0.009	0.105	25.41
7.1.3	0.010	0.108	25.23
7.1.2	0.020	0.104	25.32
7.1.1	0.008	0.100	16.40
7.1.0	0.008	0.095	16.36
7.0.33	0.003	0.093	15.39
7.0.32	0.010	0.077	15.44
7.0.31	0.007	0.082	15.16
7.0.30	0.007	0.097	15.32
7.0.29	0.007	0.096	15.48
7.0.28	0.007	0.078	15.72
7.0.27	0.000	0.104	15.59
7.0.26	0.007	0.076	15.39
7.0.25	0.000	0.097	15.52
7.0.24	0.000	0.086	15.62
7.0.23	0.006	0.083	15.61
7.0.22	0.003	0.091	15.59
7.0.21	0.003	0.095	15.52
7.0.20	0.009	0.106	16.26
7.0.19	0.005	0.098	16.15
7.0.18	0.005	0.107	15.95
7.0.17	0.010	0.103	15.91
7.0.16	0.008	0.106	15.97
7.0.15	0.005	0.109	15.72
7.0.14	0.003	0.102	16.04
7.0.13	0.005	0.097	16.03
7.0.12	0.010	0.100	16.07
7.0.11	0.002	0.109	16.16
7.0.10	0.009	0.101	15.99
7.0.9	0.006	0.104	16.05
7.0.8	0.003	0.096	16.06
7.0.7	0.008	0.099	16.07
7.0.6	0.005	0.106	15.90
7.0.5	0.006	0.101	16.12
7.0.4	0.002	0.107	15.16
7.0.3	0.002	0.108	15.02
7.0.2	0.012	0.106	15.05
7.0.1	0.005	0.115	15.20
7.0.0	0.002	0.110	15.08
5.6.40	0.000	0.100	15.64
5.6.39	0.003	0.100	15.47
5.6.38	0.000	0.094	15.55
5.6.37	0.007	0.088	15.86
5.6.36	0.007	0.095	15.60
5.6.35	0.003	0.085	15.81
5.6.34	0.013	0.090	15.70
5.6.33	0.007	0.098	15.58
5.6.32	0.007	0.102	15.73
5.6.31	0.007	0.100	15.58
5.6.30	0.003	0.090	15.70
5.6.29	0.010	0.088	15.88
5.6.28	0.010	0.088	15.54
5.6.27	0.003	0.099	15.84
5.6.26	0.000	0.107	15.53
5.6.25	0.013	0.087	15.43
5.6.24	0.003	0.100	15.62
5.6.23	0.007	0.090	15.45
5.6.22	0.003	0.093	15.71
5.6.21	0.003	0.092	15.41
5.6.20	0.000	0.097	15.58
5.6.19	0.003	0.098	15.46
5.6.18	0.007	0.096	15.61
5.6.17	0.007	0.092	15.40
5.6.16	0.003	0.093	15.81
5.6.15	0.007	0.093	15.66
5.6.14	0.000	0.097	15.36
5.6.13	0.000	0.091	15.76
5.6.12	0.013	0.081	15.71
5.6.11	0.003	0.086	15.80
5.6.10	0.007	0.102	15.56
5.6.9	0.003	0.112	15.30
5.6.8	0.013	0.097	15.55
5.6.7	0.013	0.090	15.25
5.6.6	0.003	0.096	15.48
5.6.5	0.010	0.092	15.68
5.6.4	0.013	0.095	15.70
5.6.3	0.013	0.091	15.53
5.6.2	0.003	0.101	15.34
5.6.1	0.000	0.091	15.50
5.6.0	0.010	0.079	15.62

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