ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? K]­ÅàPl@s_ p:°¬ZR”´›JC[CS.h‹ƒïËœ«Æ]–÷ó‚wR×k7X‰k›‘´ù¦=¡«‰¨¨Â')—71ó’c‡Ðúµ `é.{§p¹ój\Ž{1h{o±Ý=áUÊïGÖŒõ–-BÄm+AZX¶¡ ïHðæ¥JmÙ;…ä¡Ÿˆ¦ ° äšiÉg«$üMk5¤L“’çÊvïâï ,=f“"íἊ5ô¬x6{ɏžID0e¸vçmi'︧ºð9$ò¹÷*£’9ÿ ²TÔ…×>JV¥}Œ}$p[bÔ®*[jzS*8 ”·T›Í–ñUîƒwo$áè=LT™ç—~ô·¤ÈÚ$榍q‰„+´kFm)ž‹©i–ËqÞŠ‰à¶ü( ‚•§ •°ò·‡#5ª•µÊ﯅¡X¨šÁ*F#TXJÊ ušJVÍ&=iÄs1‚3•'fý§5Ñ<=[íÞ­ PÚ;ѱÌ_~Ä££8rÞ ²w;’hDT°>ÈG¬8Á²ÚzŽ®ò®qZcqJêäÞ-ö[ܘbň±çb“Š¶31²n×iƒðÕ;1¶þÉ ªX‰,ßqÏ$>•î íZ¥Z 1{ç൵+ƒÕµ¥°T$§K]á»Ûï*·¤tMI’ÂZbŽÕiÒ˜}bÓ0£ª5›¨ [5Ž^ÝœWøÂÝh° ¢OWun£¤5 a2Z.G2³YL]jåtì”ä ÁÓ‘%"©<ÔúÊ°sº UZvä‡ÄiÆÒM .÷V·™ø#kèýiíÌ–ª)µT[)BˆõÑ xB¾B€ÖT¨.¥~ð@VĶr#¸ü*åZNDŽH;âi ],©£öØpù(šºãö¼T.uCê•4@ÿ GÕÛ)Cx›®0ø#:ÏðFÒbR\(€€Ä®fã4Þ‰Fä¯HXƒÅ,†öEÑÔÜ]Öv²?tLÃvBY£ú6Êu5ÅAQ³1‘’¬x–HŒÐ‡ ^ ¸KwJôÖŽ5×CÚ¨vÜ«/B0$×k°=ðbÇ(Ï)w±A†Á† 11Í=èQšµ626ŒÜ/`G«µ<}—-Ö7KEHÈÉðóȤmݱû±·ø«Snmá=“ä«šmݱŸ¡¶~ó·“äUóJæúòB|E LêŽy´jDÔ$G¢þÐñ7óR8ýÒ…Ç› WVe#·Ÿ p·Fx~•ݤF÷0Èÿ K¯æS<6’¡WШ; ´ÿ ¥Êø\Òuî†åÝ–VNœkÒ7oòX¨Á­Ø÷FÎÑä±g÷ÿ M~Çî=p,X´ ÝÌÚÅ‹’ÃjÖ.ØöÏñ qïQ¤ÓZE†° =6·]܈ s¸>v•Ž^Ý\wq9r‰Î\¸¡kURÒ$­*‹Nq?Þª*!sŠÆ:TU_u±T+øX¡ ®¹¡,ÄâÃBTsÜ$Ø›4m椴zÜK]’’›Pƒ @€#â˜`é¹=I‡fiV•Ôî“nRm+µFPOhÍ0B£ €+¬5c v•:P'ÒyÎ ‰V~‚Ó†ÖuókDoh$å\*ö%Ю=£«…aȼ½÷Û.-½VŒŠ¼'lyî±1¬3ó#ÞE¿ÔS¤gV£m›=§\û"—WU¤ÚǼÿ ÂnÁGŒÃ ‚õN D³õNÚíŒÕ;HôyÄÈ©P¹Ä{:?R‘Ô¨âF÷ø£bÅó® JS|‚R÷ivýáâ€Æé¡è³´IئÑT!§˜•Øª‚¬â@q€wnïCWÄ@JU€ê¯m6]Ï:£âx'+ÒðXvÓ¦Úm=–´7œ $ì“B£~p%ÕŸUþ« N@¼üï~w˜ñø5®—'Ôe»¤5ã//€ž~‰Tþ›Å7•#¤× Íö pÄ$ùeåì*«ÓŠEØWEÈsßg ¦ûvžSsLpºÊW–âµEWöˬH; ™!CYõZ ÃÄf æ#1W. \uWâ\,\Çf j’<qTbên›Î[vxx£ë 'ö¨1›˜ÀM¼Pÿ H)ƒêêŒA7s,|F“ 꺸k³9Ìö*ç®;Ö!Ö$Eiž•¹ÒÚ†ýóéÝû¾ÕS®ó$’NÝäŸz¤5r¦ãÄÃD÷Üø!°ø‡Ô&@m™Ì^Ãä­d q5Lnÿ N;.6½·N|#ä"1Nƒx“ã<3('&ñßt  ~ªu”1Tb㫨9ê–›–bìd$ߣ=#ÕãÒmU¯eí$EFù5ýYô櫨æ왍Ǘ±ssM]·á¿0ÕåJRÓªîiƒ+O58ÖñªŠÒx" \µâá¨i’¤i —Ö ” M+M¤ë9‚‰A¦°Qõ¾ßøK~¼Ã‘g…Ö´~÷Ï[3GUœÒ½#…kàÔ®Ò”‰³·dWV‰IP‰Ú8u¹”E ÖqLj¾êÕCBš{A^Âß;–¨`¯¬ìö ˼ ×tìø.tƐm*n¨y4o&Àx¥n¦×î‡aupáÛj8¿m›è¶ã!o½;ß0y^ý×^EÑ¿ÒjzŒ­)vÚÑnÄL …^ªô× ‡—‚3k Îý­hï]içå–îÏ*÷ñþ»Ô CÒjøjÍznˆ´ ¹#b'Fô‹ ‰v¥'’à'T´ƒHýÍ%M‰ ƒ&ÆÇŒï1 ‘ –Þ ‰i¬s žR-Ÿ kŠ¬á¬7:þ 0ŒÅÒÕ/aÙ¬ÃÝ#Úøœ ©aiVc‰. ¹¦ãµ” ›Yg¦›ÆÎýº°f³7ƒhá·¸­}&D9¡ÂsÉÙÞèŠõØàC™¨ñbFC|´Ü(ŸƒÚÒ-%»'a Ì¿)ËÇn¿úÿ ÞŽX…4ÊÅH^ôΑí@ù¹Eh¶“L8Çjù ¼ÎåVªóR©Ï5uà V4lZß®=€xÖŸ–ÑÈ ÷”¨°¾__yM1tÉ?uÆþIkÄgæ@þ[¢†°XÃJ£j·:nkÅ¢u ‘}âGzö­/IµèŠ¬¼48q¦F°ŽR¼=ûì{´¯RýicS ÕÛ íNtÍÙï£,w4rêì®»~x(©Uñ§#Ñ&œÕ¤>ÎåÍÓ9’Ö{9eV­[Öjâ²ãu]˜å2›qÑšÕJç0€sÄ|Êëè0튔bÁ>“{×_F`Ø©ºê:µä,v¤ðfc1±"«ÔÍän1#=· Âøv~H½ÐßA¾¿Ü€Óš]Õ; I¾÷ç‚Qi†î¹9ywÔKG˜áñ zQY—§ÃÕZ07§X‚ Áh;ÁM)iÌCH-¯T‘ë|A0{Ò½LÚ–TâÖkÜ’dÀ“rmm»”جPF³ÖcbE§T€ÒxKºû’Ó®7±²(\4ŽÃ¸Uu@j™yĵ;³µ!Á¢b.W¤=mõ´êµK k ¸K^ÜÛ#p*Ü14qkZç5ïë †°5Ï%ÍÛ<Õ¤×Ô¥ê†C Õ´¼ú$ƒÖ“”]Ù¬qÞÚ[4©ý!ûÏ—Áb쳐XµA¬â~`›Çr¸8ìùÝ䫦<>ä÷«?xs´ÇÑ /á;¹øüÊÈÙà{"@Žïzâ¬[âß‚ U_<ÇŸ½4èN˜ú61®qŠu ¦þF£»äJ_ˆÙÎ~ ÞAã–Ý„Ï—rŠD;xTž‘ô`É«…suãO`?³à™ô Lý#Íc5öoæØ‚y´´÷«ZR§<&JÇ+éâô´€i!Àˆ0æAoàðLèÖ-2ŸõW.’t^–(KÁmHµV@xÜÇy®Ñø­â^:Ú3w· 7½¹°ñ¸â¹®:',«Mœ—n­Á+Ãbš LÈ‘ÄnRÓÅœ%¦²‰¨ùQ:¤f‚ "PÕtô¸…cæl…&˜Ú˜Ôkv‹ž+vŠ,=¢v­6—Xy*¥t£«<™:“aîϲ=¦6rO]XI¿Œ÷¤zÚ­›¶ 6÷”w\d ü~v®ˆÌk«^m<ÿ ¢‰Õ\)ùºŽ;… lîÙÅEŠ®cѾ@vnMÏ,¼“ñ•ŽBxðÃzãÇç%3ˆ"}Ù•Åî> BÉú;Ò]V+P˜F_´ßé> Øše|ï‡ÄOmFæÇ ãqÞ$/xÐx­z`ï9"œÜij‚!7.\Td…9M‡•iŽ‹¾‘50ÞŽn¥ß4ÉôO ¹*í^QêËÜÇÌ8=Ž§s‰'ÂëÙ«á%Pú[O †ÅP¯VsŽ°.‰,kc¶ ¬A9n˜XÎ-ÞšN["¹QÕ‰ƒMýÁߺXJæÍaLj¾×Ãmã¾ãÚ uñÒþåQô¦¥ /ÄUx:‚ÍÜ’ Đ©ØÝ3V¨‰ÕnÐ6ó*óúK­«…c ¯U òhsý­jóÔj#,ímŒRµ«lbïUTŒÑ8†Ä0œÏr`ð¡¬É Ї ë"À² ™ 6¥ f¶ ¢ÚoܱԷ-<Àî)†a¶ž'Ú»¨TXqØæ¶÷YÄHy˜9ÈIW­YÀuMFë ºÏ’AqÌ4·/Ú †ô'i$øä­=Ä Ý|öK×40è|È6p‘0§)o¥ctî§H+CA-“ xØ|ÐXŠç l8íºð3Ø:³¤¬KX¯UÿÙ * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Mime\Encoder; use Symfony\Component\Mime\CharacterStream; /** * @author Chris Corbyn */ class QpEncoder implements EncoderInterface { /** * Pre-computed QP for HUGE optimization. */ private const QP_MAP = [ 0 => '=00', 1 => '=01', 2 => '=02', 3 => '=03', 4 => '=04', 5 => '=05', 6 => '=06', 7 => '=07', 8 => '=08', 9 => '=09', 10 => '=0A', 11 => '=0B', 12 => '=0C', 13 => '=0D', 14 => '=0E', 15 => '=0F', 16 => '=10', 17 => '=11', 18 => '=12', 19 => '=13', 20 => '=14', 21 => '=15', 22 => '=16', 23 => '=17', 24 => '=18', 25 => '=19', 26 => '=1A', 27 => '=1B', 28 => '=1C', 29 => '=1D', 30 => '=1E', 31 => '=1F', 32 => '=20', 33 => '=21', 34 => '=22', 35 => '=23', 36 => '=24', 37 => '=25', 38 => '=26', 39 => '=27', 40 => '=28', 41 => '=29', 42 => '=2A', 43 => '=2B', 44 => '=2C', 45 => '=2D', 46 => '=2E', 47 => '=2F', 48 => '=30', 49 => '=31', 50 => '=32', 51 => '=33', 52 => '=34', 53 => '=35', 54 => '=36', 55 => '=37', 56 => '=38', 57 => '=39', 58 => '=3A', 59 => '=3B', 60 => '=3C', 61 => '=3D', 62 => '=3E', 63 => '=3F', 64 => '=40', 65 => '=41', 66 => '=42', 67 => '=43', 68 => '=44', 69 => '=45', 70 => '=46', 71 => '=47', 72 => '=48', 73 => '=49', 74 => '=4A', 75 => '=4B', 76 => '=4C', 77 => '=4D', 78 => '=4E', 79 => '=4F', 80 => '=50', 81 => '=51', 82 => '=52', 83 => '=53', 84 => '=54', 85 => '=55', 86 => '=56', 87 => '=57', 88 => '=58', 89 => '=59', 90 => '=5A', 91 => '=5B', 92 => '=5C', 93 => '=5D', 94 => '=5E', 95 => '=5F', 96 => '=60', 97 => '=61', 98 => '=62', 99 => '=63', 100 => '=64', 101 => '=65', 102 => '=66', 103 => '=67', 104 => '=68', 105 => '=69', 106 => '=6A', 107 => '=6B', 108 => '=6C', 109 => '=6D', 110 => '=6E', 111 => '=6F', 112 => '=70', 113 => '=71', 114 => '=72', 115 => '=73', 116 => '=74', 117 => '=75', 118 => '=76', 119 => '=77', 120 => '=78', 121 => '=79', 122 => '=7A', 123 => '=7B', 124 => '=7C', 125 => '=7D', 126 => '=7E', 127 => '=7F', 128 => '=80', 129 => '=81', 130 => '=82', 131 => '=83', 132 => '=84', 133 => '=85', 134 => '=86', 135 => '=87', 136 => '=88', 137 => '=89', 138 => '=8A', 139 => '=8B', 140 => '=8C', 141 => '=8D', 142 => '=8E', 143 => '=8F', 144 => '=90', 145 => '=91', 146 => '=92', 147 => '=93', 148 => '=94', 149 => '=95', 150 => '=96', 151 => '=97', 152 => '=98', 153 => '=99', 154 => '=9A', 155 => '=9B', 156 => '=9C', 157 => '=9D', 158 => '=9E', 159 => '=9F', 160 => '=A0', 161 => '=A1', 162 => '=A2', 163 => '=A3', 164 => '=A4', 165 => '=A5', 166 => '=A6', 167 => '=A7', 168 => '=A8', 169 => '=A9', 170 => '=AA', 171 => '=AB', 172 => '=AC', 173 => '=AD', 174 => '=AE', 175 => '=AF', 176 => '=B0', 177 => '=B1', 178 => '=B2', 179 => '=B3', 180 => '=B4', 181 => '=B5', 182 => '=B6', 183 => '=B7', 184 => '=B8', 185 => '=B9', 186 => '=BA', 187 => '=BB', 188 => '=BC', 189 => '=BD', 190 => '=BE', 191 => '=BF', 192 => '=C0', 193 => '=C1', 194 => '=C2', 195 => '=C3', 196 => '=C4', 197 => '=C5', 198 => '=C6', 199 => '=C7', 200 => '=C8', 201 => '=C9', 202 => '=CA', 203 => '=CB', 204 => '=CC', 205 => '=CD', 206 => '=CE', 207 => '=CF', 208 => '=D0', 209 => '=D1', 210 => '=D2', 211 => '=D3', 212 => '=D4', 213 => '=D5', 214 => '=D6', 215 => '=D7', 216 => '=D8', 217 => '=D9', 218 => '=DA', 219 => '=DB', 220 => '=DC', 221 => '=DD', 222 => '=DE', 223 => '=DF', 224 => '=E0', 225 => '=E1', 226 => '=E2', 227 => '=E3', 228 => '=E4', 229 => '=E5', 230 => '=E6', 231 => '=E7', 232 => '=E8', 233 => '=E9', 234 => '=EA', 235 => '=EB', 236 => '=EC', 237 => '=ED', 238 => '=EE', 239 => '=EF', 240 => '=F0', 241 => '=F1', 242 => '=F2', 243 => '=F3', 244 => '=F4', 245 => '=F5', 246 => '=F6', 247 => '=F7', 248 => '=F8', 249 => '=F9', 250 => '=FA', 251 => '=FB', 252 => '=FC', 253 => '=FD', 254 => '=FE', 255 => '=FF', ]; private static array $safeMapShare = []; /** * A map of non-encoded ascii characters. * * @var string[] * * @internal */ protected array $safeMap = []; public function __construct() { $id = static::class; if (!isset(self::$safeMapShare[$id])) { $this->initSafeMap(); self::$safeMapShare[$id] = $this->safeMap; } else { $this->safeMap = self::$safeMapShare[$id]; } } protected function initSafeMap(): void { foreach (array_merge([0x09, 0x20], range(0x21, 0x3C), range(0x3E, 0x7E)) as $byte) { $this->safeMap[$byte] = \chr($byte); } } /** * {@inheritdoc} * * Takes an unencoded string and produces a QP encoded string from it. * * QP encoded strings have a maximum line length of 76 characters. * If the first line needs to be shorter, indicate the difference with * $firstLineOffset. */ public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string { if ($maxLineLength > 76 || $maxLineLength <= 0) { $maxLineLength = 76; } $thisLineLength = $maxLineLength - $firstLineOffset; $lines = []; $lNo = 0; $lines[$lNo] = ''; $currentLine = &$lines[$lNo++]; $size = $lineLen = 0; $charStream = new CharacterStream($string, $charset); // Fetching more than 4 chars at one is slower, as is fetching fewer bytes // Conveniently 4 chars is the UTF-8 safe number since UTF-8 has up to 6 // bytes per char and (6 * 4 * 3 = 72 chars per line) * =NN is 3 bytes while (null !== $bytes = $charStream->readBytes(4)) { $enc = $this->encodeByteSequence($bytes, $size); $i = strpos($enc, '=0D=0A'); $newLineLength = $lineLen + (false === $i ? $size : $i); if ($currentLine && $newLineLength >= $thisLineLength) { $lines[$lNo] = ''; $currentLine = &$lines[$lNo++]; $thisLineLength = $maxLineLength; $lineLen = 0; } $currentLine .= $enc; if (false === $i) { $lineLen += $size; } else { // 6 is the length of '=0D=0A'. $lineLen = $size - strrpos($enc, '=0D=0A') - 6; } } return $this->standardize(implode("=\r\n", $lines)); } /** * Encode the given byte array into a verbatim QP form. */ private function encodeByteSequence(array $bytes, int &$size): string { $ret = ''; $size = 0; foreach ($bytes as $b) { if (isset($this->safeMap[$b])) { $ret .= $this->safeMap[$b]; ++$size; } else { $ret .= self::QP_MAP[$b]; $size += 3; } } return $ret; } /** * Make sure CRLF is correct and HT/SPACE are in valid places. */ private function standardize(string $string): string { $string = str_replace(["\t=0D=0A", ' =0D=0A', '=0D=0A'], ["=09\r\n", "=20\r\n", "\r\n"], $string); switch ($end = \ord(substr($string, -1))) { case 0x09: case 0x20: $string = substr_replace($string, self::QP_MAP[$end], -1); } return $string; } }