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̥̝̥ఇࠃͷٯऻʂ • ͜ͷτʔΫ͸ϠδOKͰ͢ • ͜ͷτʔΫ͸স͍ͬͯͩ͘͞ • υϯυϯֻ͔͖ͬͯͯཉ͍͠

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who am i ? UZULLA PHPer Hachioji.pm ʮϝʔϧϑΥʔϜΛॻ͍ͯੜ׆ʯ

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΢Σϒք۾Ͱ͸௒ ༗໊ͳʮPHPʯ ͕ɺͲΜͳ΋ͷ͔ օ͞Μ஌ͬͯ·͢ ͔ʁ

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͕࣌ؒͳ͍ͷͰ! • ڈ೥࿩ͨ͠ʮ൒୺ͳPHPDisʯͰάάͬͯͩ͘ ͍͞ • ࡢ೥౓YAPC::AsiaͰҰ൪΢έͨ(?)τʔΫͰ͢ • ࠷ۙͷPHPͷۃॳาతͳ͜ͱ͸ղΔ͸ͣʢʁʣ • https://www.youtube.com/watch? v=2tZxNtn0kDc • http://www.slideshare.net/junichiishida/ yapc-2014-phpuzullatalk

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ࡾߦͰ • PHP͸JavaͱPerlͱHTML/JSΛ·ͥͨΑ͏ͳ • ςϯϓϨʔτΤϯδϯͰ͢ • ʮΏΔ;Θ͆͆͆͆͆ʯ

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ʮΏΔ;Θݴޠ͆͆͆ʯ • ࠷ۙͷPHP͸ਅ໘໨ʹ͔ͭ͏ͱΏΔ;ΘͰ΋ͳ ͍ • ·͋Ͱ΋ΏΔ;Θʹ΋ॻ͚Δ • ੍ࣗ৺Λ΋ͬͯऔΓ૊Ήͷ͕ਖ਼͍͠PHPerͷ SUTAIRU

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PHPఇࠃͷٯऻ • ʮٯऻͷͨΊʹணʑͱྗΛ͔ͨΊͭͭ͋Δ͕ɺ ຊฤʹ͸ೖΕͳ͔ͬͨΑ…ʯ • ʮ΋ͬͱ͕Μ͹Ζ…ʯ

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ʮPHPఇࠃ͸ਓࡐΛืूதͰ ͢ʯ • Έͳ͞Μʹ΋PHPΛॻ͍ͯ΋Β͍͍ͨ • ͦΕ͕ࢲͷ๬ΈͰ͢

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͓඼ॻ͖ • དྷͨΔ΂͖PHP7ʹ͍ͭͯ • PHPͷΤϥʔʹ͍ͭͯ • ࠷ۙͷhttpdʹ͍ͭͯ • PSR-7ʹ͍ͭͯ • ʮ͋ͷਓ͸ࠓʯ

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ʮۙະདྷPHPηϒϯʂʯ • ʮVarsion 7.0.0ʯ • ݱࡏbeta3ɺࠓ೥ͷౙstable༧ఆ • PHP6͸ແ͔ͬͨࣄʹʢ৭ʑ͋ͬͨʣ • ळʹ͸5.4͸EOL!ɺ5.5΋طʹSecurity fixes only http://php.net/supported-versions.php

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·ͣ͸

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!!!!!! RC1 Release YEAH!!!! !!!!!!

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ࡾߦͰղΔPHP7 • ഒ͘Β͍଎͘ͳͬͨ! • ࢖͍ํ΍ߏஙํ๏͸มΘ͍ͬͯͳ͍" • จ๏͕ਐԽɺPHPίʔυޓ׵ੑ΋ଟগյΕͨ# • ଎͞ͱҾ͖ସ͑ʹC֦ு܈͕க໋ইΛෛͬͨ$

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଎͘ͳͬͨ݅ • ഒ͘Β͍଎͘ͳͬͨ • PHP7 >>>> PHP5.6 > PHP5.5,5.4 >> PHP5.3 • (HHVM΋)

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ग़య https://kinsta.com/blog/hhvm-vs-php-7/ http://blog.litespeedtech.com/2015/07/24/ php-7-vs-hhvm-benchmark-series-2-wordpress/ http://blog.litespeedtech.com/2015/07/16/ php7-vs-hhvm-benchmark-series-1-hello-world/ https://www.zend.com/en/resources/ php7_infographic http://hhvm.com/blog/9293/lockdown-results- and-hhvm-performance https://ckon.wordpress.com/2015/08/09/

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Կނ଎͘ͳ͔ͬͨʁ • ʮ͔ͤͬͭΕͨPHPਞӦ͕ຊؾͩͨ͠ʯ • ओʹม਺౳ͷϝϞϦ্ͷߏ଄͕มߋ • ʮ΄Μ΋ͷͷ͸͍Εͭʂʯ౳ • zvalͰάά͍ͬͯͩ͘͞ • (ͦ΋ͦ΋Զ͕ͦΜͳʹৄ͘͠ͳ͍) • ୅ঈͱͯ͠ɺC֦ு͕Ұ୺શ໓ͨ͠ʢޙड़ʣ

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ࠓޙ΋଎͘ͳΓͦ͏ • HHVMͷ༷ͳJITԽΛݟਾ͍͑ͯΔΒ͍͠ • ASTΛ࡞ΔΑ͏ʹͳͬͨ • ͞Βʹ଎౓͕৳ͼΔՄೳੑ

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͸͍ • ଎͘ͳͬͨ࿩͸Ҏ্Ͱ͢

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PHP7Ͱ࢖͍ํ͸มΘ͔ͬͨʁ • php-fpmΈ͍ͨͳͷ͕૿͑ͨͱ͔ͦ͏͍͏ͷ͸ ແ͍ɻ • ࠓ·Ͱ௨Γͷmod_php,php-fpm,php(-cgi) • Ϗϧυํ๏΋΄΅ಉ͡ • Stable͕ͰΕ͹ɺී௨ʹaptʹ৐ΔͰ͠ΐ͏ • yum͸Կ೥ޙͩʁ(Ϩουϋοౘஊ

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҆ఆ͍ͯ͠Δ • ͍··Ͱ௨ΓɺԿ΋ߟ͑ͳͯ͘΋མͪͮΒ͍ɻ ҆ఆ͍ͯ͠Δɻ • ʮPHP͕҆ఆʂʁʂʁʂʁʯ • ʮಔᮐύʔιϯʯͱ͍͏ࣾձ࣮ݧ • ·͋ɺॏ͘͸ͳΔ͚Ͳͳ͆

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httpdपΓͰ͸… • ࠷ۙH2Oͱ͍͏httpd͕͋ΒΘΕ·ͨ͠Ͷʂ • ผʹPHPͱ͍ؔ͢͝܎͕͋ΔΘ͚Ͱ͸ͳ͍͚Ͳ • ͕࣌ؒ༨Ε͹࿩͠·͢ɻ

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PHP+httpdʹ͍ͭͯ • Apache+mod_php , (Apache+fastCGI) • nginx+fastCGI • H2O+fastCGI , H2O+CGIϚωʔδϟ • nginx+Apache+mod_php

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Apache+mod_php • mod_phpͱ͍͏మ൘ • yum΍aptͰೖΔ • ΄΅ઃఆϨε͔ɺ.htaccessͰࡁΉ • ʢσϑΥϧτͰ͸ʣଟ਺ίωΫγϣϯʹऑ͍ • ͞ΕͲమ൘

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Apacheͷઃఆ # httpd.conf౳ LoadModule php5_module modules/libphp5.so SetHandler application/x-httpd-php # .htaccess౳ RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^ index.php [QSA,L]

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༨ஊɺҰߦAddHandler͸ηΩϡϦςΟతʹϠό ͍ # httpd.conf౳ AddHandler php5-script .php • Α͘ݟ͔͚Δهड़͕ͩ… • http://d.hatena.ne.jp/tmatsuu/ 20150221/1424531513 • AddHandler͸ผʹʮ֦ுࢠʯͰͳ͍ͷ Ͱɺ.php͕ϑΝΠϧ໊Ͳ͜ʹ͸͍ͬͯͯ΋PHP ͱͯ͠ղऍ͞ΕΔ᠘

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nginx+php-fpm • ࠷ۙͷఆ൪͔ʁ • ଎౓͸࣮ࡍ଎͍ • nginx͸ͳΜͰ΋Ͱ͖Δɺຊ౰ʹԿͰ΋ɻ • ݁Ռɺઃఆ͸ෳࡶʹͳΓ͕ͪ

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nginxͷίϯϑΟάྫ index index.php try_files $uri $uri/ $uri/index.php /index.php; location ~ \.php$ { fastcgi_split_path_info ^(.+\.php)(/.+)$; fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; # !ͷઃఆϑΝΠϧͷதʹେྔͷઃఆ͕Ӆ͞Ε͍ͯΔ…ʂ include fastcgi_params; } • ղΓͮΒ͍ʂʂʂʂʂ • ͜Ε͚ͩͰ͸μϝͳࣄ΋͋Δ

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nginx͸㙽ʹ֯΍΍͘͜͠ͳΓ͕ͪ • FastCgiͷ౎߹Ͱ΋͋Δͷ͚ͩΕͲ… • /formͳͲɺPHPϑΝΠϧ໊͕ͳ͍URLΛ࢖͏ ৔߹… • try_filesΛͪΌΜͱཧղ͠ͳ͍ͱμϝ • locationΛͪΌΜͱཧղ͠ͳ͍ͱμϝ • fastcgiͷύϥϝλΛͪͪ͘͘௥Ճͨ͠Γ • PATH_INFOΛͲ͏ੜ੒͢Δ͔Ͱ೰Ή

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H2O+fastCGI , H2O+fcgi.spawn • ظ଴ͷ৽ਓ • http/2 • ઃఆϑΝΠϧ͕γϯϓϧʂ • ͦͷ··Ͱ΋ߴ଎ʢΒ͍͠ʣ • ·ͩ஌ݟ͸গͳ͍

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h2o+php-fpm file.custom-handler: extension: .php fastcgi.connect: host: 127.0.0.1 port: 9000 type: tcp hosts: "doraperson2015.yapcasia.org:443": paths: /: file.dir: /var/www/dora-person-election/app/htdocs redirect: url: /index.php/ internal: YES status: 307

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h2o+php- cgi(fastcgi.spawn) file.custom-handler: extension: .php fastcgi.spawn: "PHP_FCGI_CHILDREN=10 exec /path/to/php-cgi" • phpϓϩηεͷੈ࿩Λh2oʹ·͔ͤΒΕΔʂ • php-fpmෆཁɺ؂ࢹ఺͕ݮΔ! • ଎౓΋ɺͺͬͱݟphp-fpmͱḮ৭ͳͦ͞͏ • php-fpm.confͳͲΛॻ͔ͳͯ͘΋ྑ͍"

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h2oॴݟ ྑ͍఺ • ೔ຊਓͷkazuho͞Μ͕ͭͬͯ͘Δʂʂ • ࣭໰͢Δͱɺ͓͑ͯ͘͠Εͯ΍͞͠ ͍ʂʂʂʂ • ଞʹ͘Β΂ɺ࠷௿ݶͷઃఆϑΝΠϧ͸γϯϓϧ Ͱ͋Δ • ϑΝΠϧ֦ுࢠʹͻ΋͍ͮͯΔͷͰɺ҆શ • fastcgi.spawnศརʂʂʂ

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h2oॴݟ ଟ෼͜Ε͔Βͷ఺ • .htaccess͸ແ͍ͷͰɺڽͬͨઃఆͩͱ΍ͬͺ Γ௕͍ • try_filesతͳ֓೦͸Θ͔Βͳ͍ͱ… • ͽͪͺʔʹ͸Ϗϧυ͕໘౗ • yumͱ͔aptͱ͔΄͍͠ΑͶ͆ • ઃఆͷൿ఻ͷͨΕ͸·ͩগͳΊɺಛʹӡ༻ • ߏ੒͕গʑಠಛɺinit.dͳͲͲ͏͢Δʁ

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ͲΕ͕ྑ͍͔ • ʮଟগ஗ͯ͘΋άάΕ͹ղܾ͢ΔApacheʯ • ʮnginxͷίϯϑΟάɺෳࡶ͗͢ͳ͍ʁʯ • ʮH2Oʢ·ͩʣάάͬͯ΋ղܾ͠ͳ͘ͳ͍ʁʯ • దࡐదॴ

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༨ஊɺPHP͸ΰϛΛ٧ΊࠐΉจԽʁ͕͋Δ • ઃఆ͢ΔػೳຖͰͳ͘ɺΞϓϦຖͰԡ͠ࠐΊΔ ͱPHPͬΆ͍ • .htaccess͸httpdͷઃఆ͔ΒURLϚοϓΛͻ͖ ͸͕ͯͯ͠ɺָ • PHPͷαΠτ͸ࠞࡌʹͳΓ͕ͪɺΠέͯΔํ๏ ͕ͳ͍΋ͷ͔ͱͳ΍·͍͠ɻ • ࠶ىಈ͕ඞཁͰ΋͍͍͔Βɺ.htaccessΈͨ ͍ͳͷ͕΄͍͠…

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bench • έʔεόΠέʔε͗͢Δ… • Apacheͷνϡʔϯ͸໘౗ • nginx͸യવͱ଎͘ͳΔ͕ɺྑ͍ઃఆͰ೰Ή • ʮH2O͸ύϥϝλ͕σϑΥϧτͰΠέͯΔʂʯ ͱ࡞ऀ͕ओுͯͯ͠੹೚ΛసՇͰ͖Δ(?)

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͞Βʹ༨ஊ • PHP͸PaaS΋;͖͑ͯͯ·͢ • Heroku • Azure app service • Google App Engine • ͍ͣΕ΋ਖ਼ࣜʹʢͱ͸͍͑ɺ·ͩPHP5.5ɺ. 6͘Β͍ʣ

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͸͍

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PHP7ͷඇޓ׵ੑͷ࿩ • ʮϚΠφʔͰ΋ޓ׵ੑ͕յΕΔࣄʹʢҰ෦Ͱʣ ఆධͷ͋ΔPHPʯ • ϝδϟʔόʔδϣϯΞοϓͳͷͰ໪࿦յΕͨ!

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લ޲͖ͳํͷඇޓ׵ੑʢޙड़͠·͢ʣ • େ෺ඇਪ঑ؔ਺͕࣮ࡍʹ࡟আ • ϚχΞοΫͳՕॴͷڍಈͷมԽ • ࡉ͔͍จ๏ͷඇޓ׵ੑ • ༧໿ޠ

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݁ߏ࢒೦ͳํͷඇޓ׵ੑ • C֦ு(ॴҦpeclͱ͔)ͷඇޓ׵ੑ • gdͱ͔͸͋Δ • memcacheʮdʯ͸͋Δ͚Ͳɺmemcache͸ ͳ͍ • redisͱ͔ɺQueueܥͱ͔͕ʢ·ͩʣͳ͍ • PPͷ΋ͷ͸໪࿦(େମ)ಈ͘ • Release·Ͱʹ͸΋ͬͱ૿͑Δ͸ͣ

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ʮ͜ͷઌੜ͖࢒Δʹ͸ʯ • ʮC͕Θ͔Βͳ͍PHPer͸଴͔ͭ͠ͳ͍Α Ͷ…ʯ ʮ͑ͬPHPerͬͯCΘ͔Βͳ͍ͷʁʯ • ϝδϟʔॴ͸ϘνϘνରԠ͞Ε͍ͯΔ • C֦ுΨϦΨϦॻ͍͖ͯͨํʑ͸ɺ΋͔ͯ͠͠ ݟ੾ΓͷλΠϛϯά͔΋͠Εͳ͍͆

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ʢҰ෦ͷXSΛॻ͘CPANԦαʔͷօ͞Μʣ • ʮͲ͔ͬͰฉ͍ͨ͜ͱ͋Δ࿩ͩͳʯ • ʮ಺෦APIมΘΔͷɺ͔ͨ͠ͳ͍͚Ͳ΋͎ŵŧƄແ ཧ…ʯ

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͸͍

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ݴޠͱͯ͠ͷվળ • ඇਪ঑ͷ੾Γࣺͯ • Type HintingվΊ Type declarationsʢܕએݴʣͷڧԽ • ΤϥʔͷऔΓѻ͍ͷڧԽ • จ๏ͷ௥Ճ

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ඇਪ঑ͷ੾Γࣺͯ • ‼mysql΍ereg౳ͷϏοάωʔϜ͕͍ͭʹഇࢭ • ❗ศར(ҋ)ػೳɺpreg_replaceͷ e(eval)ഇࢭ • ❔ݹ୅ͷ=&ɺ<%ʙ%>ɺʙͷഇࢭ • ͍ͣΕ΋௕͍͜ͱܯࠂࡁΈ • 10೥5.3Λ࢖͍ͬͯͯʮϏοά΢Σʔϒʹ৐Ζ ͏ͥʂʯͱ͍͏ॴ͕ࢮ͵

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Type declarations(ܕએݴ) • ݩType Hinting • Ҿ਺΍ฦ஋ͷʮܕʯΛࢦఆ • ʢPHPͷʮܕʯͰ͢ʣ • ʮJava͍ʯ • ҧ൓Ͱྫ֎ʢPHP<7͸Τϥʔʣ • 7͔ΒεΧϥ஋ΛࢦఆՄೳʹ㊗ • 7͔Βฦ஋΋ࢦఆՄೳʹ"

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଴๬ͷεΧϥ஋͕ࢦఆՄೳʹʂ TypeError Exception !" func('1'); // => OK #$ • ʮ͔͠͠'1'͸௨Δʯ • ʢօ͞ΜʣʮOK͡ΌͶ͑Α͆͜Ε͔ͩΒ PHPer͸͆͆͆ʯ

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…ͱ͓΋͔ͬͨʁ

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strict_types TypeError " func(1.0); // => TypeError "" func(true); // => TypeError """ • ઌ಄ͷdeclare(strict_types=1);Ͱݫ֨ʹ • float=>int❌ͳͷɺڻ͖ͷϚοτ΢ͳڍಈ͆

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ͨͩ͠ • int->floatΩϟετ͸ʮOKʯ • ʢ஋͕ܽམ͠ͳ͍͔ΒͩΖ͏ʣ • Type declarationsʹΑͬͯɺ༧ظͤ͵ܕΩϟε τ͕ൃੜ͢Δ͜ͱ͕…

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ࣗಈΩϟετͰ͜Ε͕ΤϥʔʹͳΔ float͸Ωϟετ͞ΕΔ! • ·͋ɺPHPΒ͍͠Ͱ͢Ͷ"

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͜Ε΋خ͍͠ɺฦ஋΋ࢦఆՄೳ

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࢒೦ʁ஫ҙʁϙΠϯτ

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ʮͱ͜ΖͰɺTypeʹ͸Կ͕ࢦఆͰ͖Δͷʁʯ • array • callable,Closure(ແ໊ؔ਺) • Ϋϥε/ΠϯλʔϑΣΠε • int,float,string,bool ㊗௥Ճ

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͜͏͍͏ͷ͸ࢦఆͰ͖ͳ͍ • ❌ : (function(int): int) • (HackͳΒͰ͖Δ) • ❌ : \DateTime[] • PHPDocͰ͓ͳ͡Έɺཉ͍͠… • ❌ : mixed • ·͊ɺॻ͔ͳ͚Ε͹౳Ձ

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࢖ͬͨ࣌ɺ଎౓͸Ͳ͏ͳͷʁ • ༗Γ 0.4381 sec • ແ͠ 0.3516 sec • ࠩ 0.0865 sec(86.5ms) / Ұઍສճ • MBP i7+PHP7β2Ͱɺ10,000,000(Ұઍສ)ճ͠ ͯ͜ͷఔ౓ • (PHPͷ༻్Ͱ͸)࣮༻্ޡࠩͳͷͰؾܰʹ࢖͍ ͍ͨɻ

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ࢼͨ͠ίʔυ

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͸͍

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க໋తΤϥʔͷϋϯυϦϯά͕Մೳʹ ͳͬͨ • PHPʹ͸ྫ֎ͱΤϥʔɺೋ͕ͭଘࡏ • Τϥʔʹ͸க໋త(Fatal)ͱඇக໋త͕͋Δ • க໋తΤϥʔ͸؆୯ʹ͸ϋϯυϧͰ͖ͳ͔ͬͨ • PHP7͔Β͸(Ұ෦Λআ͖)Fatal ErrorΛྫ֎Ͱϋ ϯυϧՄೳ! • https://wiki.php.net/rfc/ engine_exceptions_for_php7

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PHPͷʮExceptionʯ • ΈΜͳ͕஌ͬͯΔྫ֎ͦͷ΋ͷ • catchͯ͠ճ෮Ͱ͖Δ • Θ͔Γ΍͍͢ʂʂ

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PHPͷʮΤϥʔʯ • ਅ໘໨ʹ࿩͢ͱ30෼Ҏ্͠Ό΂ΕΔͷͰ3ߦͰ • શମͰҰݸ͔͠ϋϯυϥΛొ࿥Ͱ͖ͳ͍ྫ֎Έ ͍ͨͳ΋ͷ • க໋తͳΤϥʔ͸ɺεΫϦϓτΛͦ͜Ͱऴྃ͞ ͤΔ(ճ෮ෆՄೳ) • ྫɿύʔεΤϥʔɺॏෳએݴΤϥʔɺඇଘࡏؔ ਺ίʔϧΤϥʔ • ʢৄ͖͖͍ͨ͘͠Ͱ͔͢ʁʣ

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PHPͷҋਂ͖Errorʹ͍ͭͯ 1 • Τϥʔ͸ΤϥʔϋϯυϥʹɺίʔϧόοΫؔ਺ Λొ࿥͢Δ(set_error_handler())͜ͱͰΩϟ ονͰ͖Δ • ϦΫΤετ಺ͰɺάϩʔόϧͳઃఆͰ͋Δ • ྫ֎ͷΑ͏ʹɺ֊૚ԽͰ͖ͳ͍ • ͭ·Γہॴతͳࠩ͠ସ͑͸Մೳ͕ͩɺඇৗ ʹෆศ

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PHPͷҋਂ͖Errorʹ͍ͭͯ 2 • ϋϯυϥΛͰΤϥʔΛΩϟον͢Δͱ… • Warnings΍Notice͸ग़ྗ͞Εͳ͍ • ѲΓͭͿͤΔ • E_RECOVERABLE_ERROR͸εΫϦϓτΛऴྃ ͠ͳ͍ʢ஫ҙ͕ඞཁʣ

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PHPͷҋਂ͖Errorʹ͍ͭͯ 3 • set_error_handler()Ͱྫ֎ʹม׵͢Δࣄ͕ Ͱ͖Δ set_error_handler(function($errno, $errstr, $errfile, $errline){ throw new ErrorException($errstr, $errno, 0, $errfile, $errline); });

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PHPͷҋਂ͖Errorʹ͍ͭͯ 4 • ͨͩ͠ɺக໋తͳΤϥʔ͸ଈࢮͰϋϯυϧͰ͖ ͳ͍(PHP<7) • register_shutdown_functionΛ͔ͭͬͨ τϦοΫ͕ඞཁʢ෮ؼ΋Ͱ͖ͳ͍ʣ register_shutdown_function( function(){ $e = error_get_last(); if( $e['type'] == E_ERROR || $e['type'] == E_PARSE || $e['type'] == E_CORE_ERROR || $e['type'] == E_COMPILE_ERROR || $e['type'] == E_USER_ERROR ){ // ͓޷͖ͳॲཧΛॻ͘ echo "க໋తͳΤϥʔ͕ൃੜ͠·ͨ͠ɻ\n"; echo "Error type:\t {$e['type']}\n"; echo "Error message:\t {$e['message']}\n"; echo "Error file:\t {$e['file']}\n"; echo "Error line:\t {$e['line']}\n"; } } );

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PHPͷҋਂ͖Errorʹ͍ͭͯ 5 • ൃੜͨ͠Τϥʔࣗମͷग़ྗઌ͸มߋՄೳ • ϒϥ΢βʔ(display_errorsͰOn/Off) • ϩάग़ྗ(stderr,syslog,ϑΝΠϧ౳) • ͜ͷೋͭ͸ฒྻతͳ෺

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PHPͷҋਂ͖Errorʹ͍ͭͯ 6 • Τϥʔʹ͸୔ࢁछྨ͕͋Δ • ඇக໋తͳ΋ͷ • E_NOTICEɺE_WARNINGɺ E_DEPRECATEDɺ౳… • க໋తͳ΋ͷ • E_PARSEɺE_ERRORɺ౳… • Ͳͬͪͱ΋͍͑ͳ͍΋ͷ

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PHPͷҋਂ͖Errorʹ͍ͭͯ 7 • E_RECOVERABLE_ERROR౳(ޙड़)͸ʮΩϟον͢ Ε͹ʯͦͷޙ΋࣮ߦͰ͖Δ • ྫ͑͹ɺType declarationsͷҧ൓Ͱग़Δ • ͜ΕΛΩϟονͯ͠Ͳ͏ʹ͔ͯ͠Δίʔυ ݟͨࣄແ͍…

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PHPͷҋਂ͖Errorʹ͍ͭͯ 8 • Τϥʔ͸ઃఆʢϏοτϚεΫʣͰൃੜछྨΛࢦ ఆՄೳ • error_reporting(0)࠷ڧɺԿ΋ग़ͳ͍ • ʮக໋తΤϥʔͰ͢Βʂʯ • ʮࣗ෼ʯͷύʔεΤϥʔʢE_PARSEʣ͸ ϜϦ • includeͷύʔεΤϥʔ΋௨աͰ͖Δ ʢʂʣ

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PHPͷҋਂ͖Errorʹ͍ͭͯ 9 • ѱ໊ߴ͍@͸ɺ؆୯ʹΤϥʔΛ཈੍Ͱ͖Δɺͦ ͏ɺFatalͰ΋Ͷʂ • ଎౓͸஗͍Ͱ͢ɻ • includeͨ͠ϑΝΠϧͷύʔεΤϥʔ ʢE_PARSEʣ͸ϜϦ • error_reporting(0)ͷํ͕ͭΑ͍

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PHPͷҋਂ͖Errorʹ͍ͭͯ 10 • ༨ஊɿPHPʹ͸ʢࠓݱࡏʣίϯύΠϧϑΣʔζ ͸ͳ͍

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PHPͷҋਂ͖Errorʹ͍ͭͯ 11 • ඇக໋ͷNotice,Warning͸ऴྃ͠ͳ͍ • Τϥʔ͕ग़ྗ͞ΕΔ͚ͩ • ѱ໊ߴ͍ʮը໘ʹग़ΔΤϥʔʯ • ʢॳ৺ऀʣʮઃఆΛίϐϖͨ͠ΒΤϥʔ͕ ͚ͤ·͢ʂʯˠ(ݟ͑ͳ͘ͳ͚ͬͨͩ)

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PHPͷҋਂ͖Errorʹ͍ͭͯ 12 • use strict;͕ཉ͍͠… • ͨͩɺʹͨΑ͏ͳ෺͸࡞ΕΔ • http://uzulla.hateblo.jp/entry/ 2013/12/20/041619

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PHPͷҋਂ͖Errorʹ͍ͭͯ 13 • 㙽ʹ֯ʂ • க໋తΤϥʔ͸͜Ε·Ͱ෮ؼͰ͖ͳ͔ͬͨ❗ • ྫɿଘࡏ͠ͳ͍ؔ਺ίʔϧɺએݴͷॏෳͳ Ͳ

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௕͘ଓ͍͖ͯͨ(99%ͷਓ͸ࠔͬͯͳ͍)໰୊ • ଞͷݴޠΑΓக໋తΤϥʔͷൣғ͕ͪΐͬͱ޿ ͍ • ͋·Γeval͕ಘҙͰ͸ͳ͍ • க໋తΤϥʔ͸ϦΧόϦͰ͖ͳ͍ • σετϥΫλ΋ݺ͹Εͳ͍ • ʮന͍ը໘(ಥવࢮ)ʯΛճආ͠ɺจ຺ʹԠͨ͡ Τϥʔը໘Λ͢Δͷ͕ͪΐ͍໘౗

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PHP7͔Β͸ɺக໋తΤϥʔ΋ྫ֎ͰϦΧόϦʔ Ͱ͖Δ • \Error ΫϥεΛ਌ͱͨ͠Ϋϥε͕ྫ֎Ͱ౤͛ ΒΕΔ • க໋తͳΤϥʔͷʮେମશ෦ʯ͕ʮྫ֎ʯʹͳ Δ • ͳͬͯͳ͍ॴ΋͋Δʢྫɿ࠷ॳͷίʔυͰ ͸ύʔεΤϥʔΩϟονෆೳ౳ʣ • ࠷ޙ·ͰΩϟον͞Εͳ͔ͬͨྫ֎͸ैདྷͷΤ

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͜ΕʹΑͬͯ • PHP͕஍ຯʹෆಘҙͳʮΧοίΠΠ500ʯ͕ग़ ͠΍͘͢ͳΔʢ͔ͳʣ • ϝλ͍ίʔυΛॻ͍ͨͱ͖ɺଈࢮ͢ΔՄೳੑΛ ݮΒͤΔ(ؾ͕͢Δ) • ίʔϧόοΫؔ਺Λଟ༻͢Δͱ͖ͱ͔ศརʢͦ ͏ʣ • σʔϞϯͳͲΛॻ͖΍͘͢ͳΔʢ͔ͳʣ

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ྫ

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஫ҙ఺ • NoticeɺWarning͸ྫ֎ʹʮͳΒͳ͍ʯ • ྫ֎ΛΩϟον͠ͳ͍Ͱऴྃ͢Δͱɺطଘ ίʔυΛյͪ͠Ό͏ • ͭ·Γʮେ౷ҰΤϥʔϋϯυϦϯάʯͰ͸ͳ͍ • ࠓ·Ͱ௨Γset_error_handlerͰྫ֎ʹม ׵͸Մೳɺ͕Μ͹Εʂ

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ઌऔΓDisΓ৘ใɺΤϥʔฤ • PHPer͸ΏΔ;ΘͳͷͰ catch(\Exception $e) ͱ͔͍͏ϫΠϧυΧʔυΛ࢖͍͕ͪ • ҆қʹ\Exception ͷαϒΫϥεͰΤϥʔͷྫ ֎Λੜ΍͢ͱʮΏΔ;ΘPHPerͷ໋͕Ϡό͍ʯ • ݁Ռɺ\Exceptionͷ͞Βʹ਌Ϋϥεͱͯ͠ \Throwable͕Ͱ͖ͨɻ\Error͸\Throwable ͷࢠʹɻ

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࣮͸ • ͱ͜ΖͰɺ࣮͸\ErrorExceptionͱ͍͏ྫ֎ ͸͢Ͱʹ͋Δ • ʮPHPͷݩ͔Β͋ΔErrorͱɺErrorͱ͍͏৽ ͍͠ྫ֎ΫϥεͱɺErrorExceptionͱ͍͏ྫ ֎Ϋϥε͕ࠞࡏʯ • ͍ͩ͆͆͆͞ • ʢ͜͜͸Beta1͋ͨΓͰRFC͔Β͍͖ͳΓ࢓༷ ͕͔ΘͬͨͷͰɺ·ͨมΘΔ͔΋ʣ

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ʮࠓޙ༧૝͞ΕΔະདྷʯ • ʮφϧϗυʂʂࠓޙ͸catch(\Throwable $e) ͔͚ͬͯ͹͍͍ΜͩͶʂʂʯ • ʮ!ʯ • ʢerror_reporting(0)ͬͯॻ͍ͯΔਓ΋͍Δ ͔Βɺ͋ͳ͕ͪ৑ஊͰ΋ͳ͍ʢഭਅʣʣ

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͸͍

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จ๏ͷ௥Ճ • ??ԋࢉࢠ(isset͔Βͷ։์ʣ΍<=>ԋࢉࢠ • ແ໊Ϋϥεͷ௥Ճ

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??ԋࢉࢠ • ΈΜͳେ޷͖isset͔Βͷ୤٫ if(isset($_GET['name'])) $name = $_GET['name']; else $name = 'anonymous'; ! $hoge = (isset($_GET['name'])) ? $_GET['name'] : 'anonymous'; ! $name = $_GET['name'] ?? 'anonymous' ; • ??͸ະఆٛม਺ʹ৮ͬͯ΋େৎ෉Ͱ͢ɺศ རʂʂʂʂ

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<=> UFOԋࢉࢠ • Rubyͷ͋ΕͰ͢ɺιʔτ͕ศརʹʂʂ 3, "name"=>"uzulla"], ["id"=>2, "name"=>"lestrrat"], ["id"=>10, "name"=>"moznion"] ]; usort($item_list, function ($left, $right) { return $left["id"] <=> $right["id"]; });

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ෳ਺ΧϥϜ΋ࢦఆͰ͖·͢ [$right["id"], strlen($right["name"])] ; }); • ͜Ε͸SQLͷෳ਺ORDERͬΆͯ͘ศརͬΆ͍

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ແ໊Ϋϥε • ΠϯϥΠϯͰɺଈ࣌ʹΠϯελϯεੜ੒Ͱ͖Δ • DI౳Ͱɺͦͷ৔ͰΧδϡΞϧʹΠϯελϯεڍ ಈΛม͑ΒΕͯศར…͔ͳ • (DIͱ͔͔͍ͯ·͢ͷ͕ɺʮਖ਼͍͠DIʯʹ͍ͭ ͯ͸צห͍ͯͩ͘͠͞)

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ྫ setLogger( new class extends \My\Logger { public function emergency( $message, array $context = [] ){ \My\AlertPush($message); parent::emergency($message, $context); } } ); • ͜Ε͸֦ுͯ͠Δ͚ͲɺѲΓͭͿ࣌͢ͱ͔ʢʣ ʹ΋࢖͑ͦ͏Ͱ͢Ͷ

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༧໿ޠ͕௥Ճ • Ϋϥε໊/ΠϯλʔϑΣΠε໊ • ஍ຯʹΠϯύΫτ͕͋Δ • int, float, bool, string, true, false, null, resource, object, mixed, numeric • Ұ෦ͷWAFʹ͸ɺStringͱ͍͏Ϋϥε͕…

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PHP7ͷIDEͷରԠ!

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͸͍ • ·͋ɺΦγϟϨʹͳΓ·͢Ͷ • ແ໊Ϋϥε࢖͍·͘ΔͱίʔυδϟϯϓͰ͖ͳ ͘ͳΓͦ͏ͳͷͰ΄Ͳ΄Ͳʹ͢Δ༧ఆͰ͢ • ༧໿ޠʹΑͬͯ஍ຯʹಈ͔ͳ͍ΞϓϦ͕͋Δ…

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੝Γ্͕Γ • ਐΉίϯϙʔωϯτԽ • PSR-7ʢ…͕͜Ε͔Β͘Δʁʣ • ʮϏοάϓϨΠϠʔʯ

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ίϯϙʔωϯτԽ • PSR-0,4 ͱComposerͷීٴͰී௨ͷݴޠͬΆ ͘ͳΓ… • ୯ମͷORMɺϧʔλʔɺςϯϓϨʔτɺDI׆ ༻͕׆ൃʹͳΓ… • Symfony, Aura, Zend Framework • ʮΦϨΦϨWAFେ޷͖ʂʂʯͳਓʹ͸࠷ߴ

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ʮϑϨʔϜϫʔΫ͸ࢮΜͰ͍ͳ͍ʯ • 0͔Β૊·Εͨൿ఻ͷϑϨʔϜϫʔΫ΍ɺڊେ ͳϞϊγϦοΫϑϨʔϜϫʔΫ͔Βͷ୤٫… ͱɺ͍͏ײ͡Ͱ͸ͳ͍ɻ • ݁ہͦΕΒΛ͔ͭͬͨϏοάFW͕࢖ΘΕͯΔ • ͦΕΒͷதͰίϯϙʔωϯτΛ͔͍ͭͬͯͯ ΋ɺ݁ہδϟΠΞϯτϦʔϓ͸ൃੜ͢Δ

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ͦΜͳࡢࠓɺྲྀߦΓͦ͏ͳPSR-7 • HTTPϝοηʔδΫϥεɺrequest/response • perlͰ͍͏ HTTP::Request΍ɺJavaͰ͍͏ ServletΈ͍ͨͳͷ͕ཉ͍͠ɺͱ͍͏ྲྀΕʢࠓ ·Ͱ͸FW͕Ί͍Ί͍ʹ΍ͬͯͨʣ • PHPࣗମͷػೳͰ͸ͳ͍͠ɺinterfaceͰ͔͠ͳ ͍

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ʮPSRͬͯʁʯ • ༗ࢤʹΑΔɺ۩ମతͳઃܭ࢓༷ͷఏҊ • ΦʔτϩʔυͷϑΝΠϧܗࣜɺϩΨʔAPI౳ • ͋͘·Ͱ༗ࢤͷఏҊͰɺʮ๏ʯͰ͸ͳ͍ • ੈل຤ౖΓͷPHPσεϩʔυʹடং͕(ը૾ུ) • ڈ೥ͷࢲͷൃදΛݟ͍ͯͩ͘͞

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PSR-7ͷϝϦοτ • PHPಠಛͳɺάϩʔόϧม਺͞ΘΓ·͘Γੈք ʢ$_GET, $_POSTͳͲʣ͔Βͷ୤٫(ʁ) • ஍ຯʹ໘౗ͳ$_FILESͱ͔ΛOOPతʹ৮ΕΔ • ͪΌΜͱ࣮ͨ͠૷ͳΒɺʮob_*ʯΛۦ࢖͢Δ ඞཁ͸ݮΔ(ޙड़)

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• ൚༻Mock͕࡞Γ΍͘͢ͳΓςελϒϧɺαϒ ϦΫΤετͱ͔͠΍͍͢ʢ͔΋ʣ • Plack::Middleware Έ͍ͨͳ΋ͷ͕ͭ͘ΕΔΑ ͏ʹͳΔ͸ͣ • ϦΫΤετͷϩΪϯά΋͠΍͘͢ͳΔ͸ͣ • reactPHPͳͲɺPHPͰॻ͔Εͨhttpd͕ॻ͖΍ ͘͢ͳΔʢؾ͕͢Δʣ

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σϝϦοτ΍஫ҙ఺ • ੜ$_POSTɺੜechoͷํ͕଎͍ • ૉखͰ͞ΘΔʹ͸େ෼ੜͳAPIʢWAF͕Ӆṭ͢ ΔͩΖ͏͚Ͳʣ • $_SESSION͸ʮؚ·Εͳ͍ʯ! • $_POST౳͸ʮӅͤͳ͍ʯɺੜecho͢Δͱग़ͪ Ό͏ɺ؆୯ʹҳ୤Ͱ͖ΔʢٻΊΒΕΔ੍ࣗ৺ʣ

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ڍಈ͸࣮૷࣍ୈͳͷͰ… • ࢓༷௨ΓͪΌΜͱ࣮૷͢Δͷେมͦ͏ • ʮob_*Λීஈ͔Β͔͍ͭ͜ͳ͠ɺόΧͰ͔͍ CSVΛग़ྗ͍ͯ͠Δօ͞·ʯ͸ɺΠϯελϯε ʹϨεϙϯεΛͨΊࠐΉࣄʹջٙతͰ͠ΐ͏ɻ ࣮ࡍɺμϝͳ࣮૷΋ʮՄೳͰ͢ʯɻ • ʮॻ͖ग़ͯ͠಺෦ϦμΠϨΫτ͠Α͏ʯ ʮੈͷதʹ͸apache+mod_php͔͠ͳ͍ਓ΋ ͍ΔΜͰ͢Αʂʯ

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My fav WAFͰ͋ΔSlim3ͷPSR-7࣮૷Ͱ͸ • php://tempΛ͔͍ͭͬͯͨ • PHP૊ΈࠐΈͷετϦʔϜϥούʔ • ΦϯϝϞϦʹอ࣋͠ɺσϑΥϧτͰ͸2MB Λ௒͑ΔͱཪͰϑΝΠϧʹॻ͖ग़͢

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༨ஊ:"Stream"ͷଟ༻ʹ͍ͭͯ • αΠζ͕༧૝ͮ͠Β͍bodyΛѻ͏ͨΊʹ Stream͕࢖ΘΕΔࣄ͕ଟ͍໛༷ • ΧδϡΞϧʹม਺Λ࢖͍͍ͨPHPerʹ͸໘౗͆ • WAFʹӅṭ͞ΕΔͷͰɺීஈ͸ҙࣝ͠ͳͯ͘ ΋ྑ͍͕ɺ଎౓͕ෆ҆ • ͪͳΈʹ$HTTP_RAW_POST_DATA͸PHP7Ͱແ͘ ͳΔɻphp://inputΛ͔ͭ͏͔͠ͳ͍ʢͦͯ͠ ͜Ε͸multipartͰ͸͔ͭ͑ͳ͍ͷͰɺྗۀͰ౷

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PSR-7ͷ࣮૷Λ͍͔ͭ͘ݟͨײ૝ • ݱঢ়WAF͕Ί͍Ί͍ʹ࣮૷͍ͯ͠Δ • ͳ͔ͳ͔టष͍͜ͱΛ΍͍ͬͯΔɺΤοδέʔ ε͋Γͦ͏… • ಠࣗContent-typeͱ͔ߟ͑ͯͳ͍Ϡπ΋͋Δͬ Ά͍ • ͍͖ͳΓ͜ΕΛ଍৔ʹ͢Δͷ͸ෆ҆

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ʮPSR-7͸ඞਢ͔ʁʯ • ྫྷ੩ʹ͍͑͹ɺNo • ৽͍͠ࣄ͕Ͱ͖ΔΘ͚Ͱ͸ͳ͍ • ͔͠͠ΦγϟϨ…ςετ͠΍ͦ͢͏…઀͗໦͠ ΍ͦ͢͏… • ʢࢲ͸ੈؒ஌ΒͣͳͷͰɺ͜͏͍͏෺ʹὃ͞Ε ΍͍͢ʣ

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༨ஊ • ʮαʔϒϨοτ͡ΌΜʯʮ͸͍ʯ • ʮ͜ͷձ৔ʹ஌ݟ͋;ΕΔํ͸͍Βͬ͠Ό͍· ͤΜ͔ɺཔΉྑ͍PSR-7࣮૷Λ࡞ͬͯ͘Εʯ • ʮPHPͰॻ͔Εͨhttpdͷ࣌୅͕͘Δʂʯʢͱ ͍͏ئ๬ʣ

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͸͍

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ϓϨΠϠʔͷ࿩ • ʮPHPͳΜͯͩΕ΋͔ͭͬͯͳ͍Ͱ͠ΐ͆͆ ͆ʯ • ʮΠέͯΔاۀ΋PHP͔ͭͬͯΔͧʂʂʯ • ʮ·ͩFacebookཔΈʁ͆͆ʯ

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ϝϧΧϦ༷ • YAPCεϙϯαʔͰ΋͋ΒΕΔ

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ಔᮐύʔιϯ

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ҧ͏

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• chatwork…͸୤PHPͰScala΁…

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πΠΩϟεʂ • BUT… ʮେମCͰॻ͍ͯΔʯʢࣾ௕͞Μஊʣ • ͸ͨͯ͠PHP7ʹҠߦ͢Δͷ͔…ʁ

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͍΍͍΍ɺ͋ͦ͜΋PHPͰ͢Αʁ

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slack!!!

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Slack • https://twitter.com/SlackHQ/status/ 426469205005705217 • PHP͸slack΋͔ͭͬͯΔʂʂʢ/index.phpɺ ͕͋ΔͬΆ͍ʂʣ • ʮslackఔ౓ʯ·ͰͳΒPHP͸ྑ͍Θ͚Ͱ͢Αɻ • ʢ·͍͔͋ͭ͸ͷΓ͔͑ΔͩΖ͏͚Ͳʂʂʣ • ʢπΠοτ͸2014/01ࠒʣ

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• ͍͔ͭ͸PHPΛʮଔۀʯ͢Δձࣾ΋ଟ͍Ͱ͠ΐ ͏ɺΘ͔Δɻ • Ͱ΋ɺʮάϫοͬͱ෺Λͭ͘ΔʯͷʹPHP͸޲ ͍ͯͨΓ΋͠·͢ • ʮෛ࠴ʁෛ࠴͕ͳ͍ݴޠͱ͸ʁʯ

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ͦͯ͠ະདྷ΁… • PHPͷσεϩʔυײ͸ઌ୺Ͱ͸ݮ͖͍ͬͯͯΔ • ͔͠͠ɺϞμϯͳPHP͸Ͳ͜ʹ͍Δͷ͔ʁ • ʮࠓ͔ΒʯPHPΛ΍Δҙຯ͕͋Δͷ͔ʁͱ͍͏ ͝ҙݟ • ʮԿͰ࡞Δ͔ΑΓɺԿΛ࡞Δ͔ͩΖʂʂʯ • ʮPHP͘Β͍ͳΒͰ͖ΔͰ͠ΐʁʯͰਓूΊ ʢPHP͕Ұ൪೉͍͠ͱ͍͏Ұ෦ͷ͝ҙݟʣ

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https://github.com/blog/2047-language-trends- on-github

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༨ஊɿݸਓతͳ࠷͍͔ۙͭ͘ͷଉۤ͠ ͞ • ϞμϯͳWAFɺPSRͳͲͰʮϕετϓϥΫςΟ εʯ͕ߴ·Δ • ʮ͜͏͠ͳ͍ͷ͸ඍົʯͱ͍͏෩ை • ʮ΋ͬͱྑ͍ख๏ʯͷൃ໌΍ʮγϯϓϧ͞ʯΛ ԡ͑͞ࠐ·ͳ͍͔ʁ • ೰Έ͕ݮͬͨͷ͔૿͑ͨͷ͔ྑ͘ղΒͳ͍

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࣭ٙԠ౴λΠϜ • ͳʹ͔͍͟͝·͔͢ʁ • ແ͚Ε͹…

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͋ͷਓ͸ࠓ

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HHVM

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3ߦͰղΔHHVM • Facebook࡞ͷɺޓ׵ੑ͕ߴ͍PHPϥϯλΠϜ • fastCGIɺ·ͨ͸httpdαʔόͱͯ͠ಈ࡞ • Hackͱ͍͏PHPΛຐվ଄ͨ͠Ϟμϯ෩ݴޠ͕ ࢖͑Δ

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HHVM Ͳ͏ͳͬͨʁ • ߴ଎Խͱ͍͑͹HHVMͩͬͨͷͰ͸ʁ • PHP7ʹ଎౓͕ฒ͹Εͨʢ·͋ɺPHP7͸· ͩStableग़ͯͳ͍͚Ͳʣ • Hackͱ͍͏ݴޠ͸ʁ • গͳ͘ͱ΋ɺ೔ຊͰ͸ϚδͰྲྀߦͬͯͳ͍ • ւ֎Ͱ΋FBҎ֎Ͱ͸ྲྀߦͬͯͳ͍ͷͰ ͸…ʁ

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΢ʔϜ

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ݱঢ় • Hackݴޠ͸ਐԽͯ͠Δ • ಺ଂhttpd͕΋Ͳ͖ͬͯͨ • όʔδϣϯ΋݁ߏॱௐʹ্͕͍ͬͯΔ • ଎౓΋3.7>3.8Ͱ5ʙ10%͕͋ͬͨΓͯ͠Δ

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ࠓͷॴɺcommit͸ਰ͑ͨΓ͸͍ͯ͠ ͳ͍ • ίϛολ΋ύοͱݟͰݮͬͯ͸͍ͳ͍

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HHVM,PHP7ʹΑΔ଎౓ڝ૪ʹ͍ͭ ͯ • ʢڈ೥ҐʣʮHHVM͕ઌ佃Λ੾ΓPHP5.xͷഒ ʹʂʯʢ΢ΦΦʔʂ • zend͕ຊؾΛग़ͯ͠ɺPHP7͸଎౓Ͱ௥͍͍ͭ ͨ • HHVM΋Ҿ͖཭༷͢ʹؤுͬͯΔ • ʮ݂Ͱ݂Λચ͏ϕϯν߹ઓʯ

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ʮͲ͕ͬͪ଎͍ͷ͔ʁʯ • PHP7 stable͸·ͩग़ͯͳ͍ͷͰͳ… • άάΔͱେྔͷαϯϓϧ͕ग़ͯ͘Δ • ߴ଎Խͷख๏͕ҧ͏ͷͰέʔεόΠέʔε • ʮࣗ෼ͷίʔυʯͰࢼ͞ͳ͍ͱԿͱ΋ݴ͑ͳ͍

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ϕϯνϚʔΫɾϓϩύΨϯμ • ͍ΖΜͳਓ͕ʮ͕ͬͪ͜଎͍ʂʯͱ͍͍ͬͯΔ • ๯಄ͷάϥϑΛ࠶ܝࡌ

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ϓϩύΨϯμࢲײ • ʮϊϯνϡʔϯʯͩͱPHP7͕ଟগ଎͍ϕϯν ͕ଟ͍ • ʮνϡʔϯʯ͢ΔͱHHVM΋଎͍ • νϡʔϯͱ͸ɺHackԽɺawaitར༻ͳͲ • ·͋ɺPHP5.6͔ΒͷࠩΛݟΕ͹େࠩ͸ͳ͍

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ԶతʮͲͬͪΛ࢖͏΂͖͔ʁʯ in 2015 • ։ൃ΋ຊ൪΋Linux͔ʁ • ͍͍͑ → PHP • ͸͍ → • ผʹʁ → PHP • HackΛ࢖͍͍ͨ → HHVM

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ʮຊՈPHPʯͷڧ͞ • HHVM͕PHPʹ͋Θͤͯ΋ɺPHP͕HHVMʹ߹ ΘͤΔٛཧ͸ͳ͍ • ʢ͍͍ॴ͚ͩύΫΔ࢟੎ • ֤छπʔϧɺIDEɺC֦ு΋ຊՈ͕ୈҰ • Hack͸·ͩPHPStormͷαϙʔτແ͍ʢࠓ ޙ΋ʁʁʣ • ࠓޙͷ֤σΟετϦඪ४΋ຊՈPHPͩΖ͏

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HHVMͷʢݱঢ়ͷʣඍົ͞ • OSXͰʢࠓݱࡏʣϏϧυͰ͖ͳ͍ʢաڈ͸Ͱ ͖ͨʣ https://github.com/facebook/hhvm/issues/ 5447 ʢBrewͱ͔ʹ΋ஆ͔͘͸ͳ͍ʣ • LinuxͰ΋ɺϏϧυ͸໘౗ʢಛʹCentOSʣ • Ubuntu͸όΠφϦ഑෍༗Γ • ʮHackΛ࢖͏ʯͱɺྲّྀ͕PHPͱҧ͍͗͢Δ

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ͭ·Γ • ʮ·͋ɺຊՈPHPΛ͔͓ͭ͏ʯ • ͔͠͠·ͩ·ͩྲྀಈత • Hack͕IDEαϙʔτ͸͡·ͬͨΒ࢖͏͔΋ʂ

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ҰԠɺHackͷΞπ͞ • Hack language • asyncʢMysql΍memcacheʣ • Generics • Type Aliasing • ==> Ͱλ • Type check جຊඞਢ http://docs.hhvm.com/manual/en/ install.hack.bootstrapping.php

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HackΛ஌Βͳ͍ਓ޲͚ɺ==> ʹ͍ͭ ͚ͯͩαϯϓϧ $a + $b; } $f = l(); echo $f(2); // => 3 • ΦγϟϨͩ͠ɺʢΑ͘σΟεΒΕΔʣuse͕ෆ ཁ

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ૉ๿ͳPHPͰॻ͘ͱ͜͏͍͏ίʔυ 3

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ͱ͜ΖͰɺPHP7Ͱ͸ʁ 3 • ※rc1Ͱuse۟ͷܕએݴ͸͏͔ͣ͝…

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HHVMͷະདྷ͸Ͳͬͪͩ • ެࣜͳະདྷ͸͋·Γݟ͑ͳ͍ʁʢPHP͸RFCΛ ݟΔͱ͔…ʣ • ͜ͷ··Ͱ͸ϕλʔPHPͱͯ͠ͷ࠲͕ة͏͍ • ଎౓Ͱ͞ΒʹҾ͖཭͢ͷ͔ʁ • OSXͰ΋HHVM͕͔ͭ͑ΔΑ͏ʹͯ͠΄͍͠ • xhpͳͲͷ֦ுͰReactͳͲͷJSͱ஥ྑ͘ͱ͔ ͷະདྷ͸ʁ

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͸͍

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㙽ʹ֯ • Έͳ͞ΜPHP΋͔͍͖ͭͬͯ·͠ΐ͏ • PHP΋ਐԽΛ͚͍ͭͮͯ·͢ • ͜Θ͘ͳ͍Α! • ΍Ζ͏ʂPHPʂʂʂʂ