PHP入門 - Speaker Deck

PHP入門

by Takayuki

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PHPೖ໳

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3.PHPίϛϡχςΟͷݱঢ় Agenda 2.PHPͷྺ࢙ 1.ࣗݾ঺հɾձࣾ঺հ 4.PHPΛֶͿϝϦοτ 7.PHPͷҊ݅ࣄ৘ 6.PHP͸ॳֶऀʹ޲͍͍ͯΔͷ͔ʁ 5.PHPͷ֓ཁɾϝϦοτ

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ࣗݾ঺հɾձࣾ঺հ

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1.ࣗݾ঺հ ◆໊લ ླ໦ ޹೭(Suzuki Takayuki) ※ಉ੏ಉ໊ଟͯ͘ࠔͬͯ·͢ɻɻɻ ◆ࣗݾ঺հ ɾ1990೥ɺਆಸ઒ݝੜ·Εɻ ɾࣾձਓʹͳ͔ͬͯΒɺϓϩάϥϛϯάΛ࢝ΊΔɻ ɾ2015೥ʹϑϧεϐʔυʹೖࣾ͠ɺ2017೥ʹಠཱɻ ɾݱࡏ͸ɺडୗ։ൃΛ΍ΓͭͭɺࣗࣾWebαʔϏεΛ։ൃதɻ ◆झຯ ίεϓϨɺԻָϥΠϒɺϚϥιϯେձʹग़Δɺ໺ٿ؍ઓ ◆εΩϧ PHP,Symfony2,CakePHP3,Laravel5, JavaScript,backbone.js,Angular.js

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6 ࣗݾ঺հ ԭೄͰෳ਺ͷίϛϡχςΟΛӡӦͯ͠·͢

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7 ࣗݾ঺հ 7/13ʹLaravel ΧϯϑΝϨϯε ୆࿷Ͱ΋ొஃ͖ͯ͠·ͨ͠ʂ ৄ͘͠͸ͪ͜Β  https://dev.re-build.company/ entry/2019/07/23/193108

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2013/04 ৽ଔͰ౦ژͷITϕϯνϟʔاۀʹ γεςϜΤϯδχΞͱͯ͠ೖࣾ 2015/07 ౦ژͷ্৔اۀͰWebΤϯδχΞ ͱͯ͠ೖࣾ ܦྺ 2015/07 ϑϦʔϥϯεΤϯδχΞͱͯ͠ ಠཱ 2017/11 ԭೄͰγεςϜ։ൃձࣾΛىۀ 2019/08 ౦ژͱԭೄͷاۀ༷͔Βͷ։ൃҊ݅Λ੥͚͍ͯΔɻ

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ܦྺ·ͱΊ 4&4 4*FS 8FCܥࣗࣾ։ൃ ϑϦʔϥϯεΤϯδχΞ ىۀ डୗ։ൃ ελʔτΞοϓ ϓϩάϥϛϯάεΫʔϧͷߨࢣ ͳͲɻ෯޿͘ۀ຿Λ͖ͯ͠·ͨ͠ɻ

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1 0 ࣗࣾWebαʔϏεͷ։ൃ ɾαʔϏε໊ Tadoru  https://tadoru.work/    ɾγεςϜ֓ཁ ΤϯδχΞಛԽܕͷ ϦϑΝϥϧ Ϋϥ΢υιʔγϯά

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ϑϩϯτΤϯυ αʔόαΠυ શମߏ੒ Gitlab CI ϥΠϒϥϦͳͲ Firebase ϥΠϒϥϦͳͲ

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1)1ͷྺ࢙

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PHP1 PHP5.3 PHP5.6 PHP7 1994 ೥ʹ Rasmus Lerdorf ͕ΦϯϥΠϯ Ͱެ։͍ͯ͠Δܦྺ ॻͷΞΫηεཤྺΛ ௐ΂ΔͨΊʹ࢖ΘΕ ͍ͯ·͕ͨ͠ɺ ൴͸ ͦͷεΫϦϓτ܈Λ ʮPersonal Home Page Toolsʯͱ໊෇ ͚·ͨ͠ɻ ɾ໊લۭؒͳͲ΋࢖͑ ΔΑ͏ʹͳͬͯɺ΍ͬ ͱαʔόαΠυͰ։ൃ ͠΍͘͢ͳͬͨɻ ɾ໊લۭؒͷαϙʔ τɺ ੩త஗Ԇଋറɺ gotoԋࢉࢠɺΫϩʔδϟɺ PHPΞʔΧΠϒ (phar)ɺ ॥؀ࢀরʹର͢ΔΨϕʔ δίϨΫγϣϯ ఆ਺ࣜɺՄม௕Ҿ਺ؔ ਺ɺҾ਺ͷల։ԋࢉࢠ (...)ɺྦྷ৐ԋࢉࢠ(**)ɺ ఆ਺ͱؔ਺ʹର͢Δ useจɺର࿩ܕσόο ΨphpdbgΛSAPIϞ δϡʔϧͱͯ͠όϯυ ϧɺͦͷଞࡉ͔ͳվળɻ ɾPHP5ܥͱPHP7ܥͷ ଎౓͸2ഒҎ্ߴ଎ʹ ͳͬͨ ɾnull߹ମԋࢉࢠ??ɺ ؔ਺ͷ໭Γ஋ͷએݴߏ จ[16]ɺεΧϥʔܕͷ λΠϓώϯςΟϯάɺ Ӊ஦ધԋࢉࢠ<=> PHPͷྺ࢙ 1995-06-08 2009-06-30 2014-08-28 2015-12-03 https://ja.wikipedia.org/wiki/PHP_(%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0%E8%A8%80%E8%AA%9E)

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PHPͷྺ࢙ https://serversenshi.com/php5-php7/ άϥϑ͸wordpress4.1.1্Ͱ PHP5.3~PHP7·ͰΛಈ͔ͨ࣌͠ͷࠩͰɺ ਺஋͕େ͖͍΄Ͳߴ଎ͱݴ͑·͢ɻ ݟͯ෼͔Δ௨Γɺࠩ͸ྺવͰPHP5ͷࠒʹ ൺ΂ɺPHP7͕֨ஈʹ଎͘ͳͬͨ

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୲౰ऀ͕͍ͳ͘ͳͬͨಠࣗϑϨʔϜϫʔΫʹΑΓٕज़తෛ࠴ υΩϡϝϯτ͕ͳ͍ͱϑϨʔϜϫʔΫͷ࢓༷͕ଐਓԽ͠ ͯ͠·͏ɻ ಠࣗϑϨʔϜϫʔΫΛ࡞ͬͨ୲౰ऀ͕ࣙΊͯ͠·͏ͱϝ ϯςφϯε͕ࠔ೉ʹͳΔɻ ੬ऑੑͷΞοϓσʔτΛࣗ෼Ͱ΍Βͳ͚Ε͹͍͚ͳ͍ɻ PHPͷҋͷྺ࢙

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DPEFJHOJUFSʹΑΔεύήςΟίʔυ ܰྔϑϨʔϜϫʔΫ ֶशίετ͕௿͍͕ɺϧʔϧ͕΄ͱΜͲແ͍ ୭͔͕͔ͬ͠ΓϧʔϧΛܾΊͳ͍ͱɺΈΜͳ͕֤ʑ ͷॻ͖ํͰॻ͘ͷͰεύήςΟʹͳΓ͕ͪɻ ٕज़తෛ࠴ʹͳΓ͕ͪ PHPͷҋͷྺ࢙

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1)1ίϛϡχςΟͷݱঢ়

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1)1ίϛϡχςΟͷݱঢ় - PHPΧϯϑΝϨϯε͚ͩͰ΋ɺ6ΧॴͰ։ ࠵͞Ε͍ͯΔ - ϑϨʔϜϫʔΫ͕ଟ͍෼ɺPHPࣗମͷί ϛϡχςΟ͕ଟ͍ - ओ؍͕ͩɺॿ͚߹͍ͷจԽ͕͋Δͱࢥ͏ɻ ౦ژ ෱Ԭ ԭೄ ๺ւಓ ઋ୆ େࡕ

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1)1ίϛϡχςΟͷݱঢ় ࣗ෼ࣗ਎΋PHPΧϯϑΝϨϯεԭೄͷ࣮ߦҕһ௕Λ΍͍ͬͯ·͢ʂ ໿200ਓن໛Ͱ10/12ʹ։࠵༧ఆʂ εϐʔΧʔ͸೔ຊશࠃ͔ΒPHPerͷํʹొஃͯ͠௖͖·͢ʂ ւ֎͔Β΋ొஃ௖͖·͢ʂ

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1)1ίϛϡχςΟͷݱঢ় ೔ຊશࠃͷΧϯϑΝ ϨϯεӡӦάϧʔϓͰ αϙʔτମ੍͕ॆ࣮ ͍ͯ͠Δ

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1)1ίϛϡχςΟͷݱঢ় Slackίϛϡχ ςΟ΋׆ൃʂ

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1)1ίϛϡχςΟͷݱঢ়

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1)1ΛֶͿϝϦοτ

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- PHPશମͰݴ͏ͱٻਓ΍ίϛϡχςΟ͕ͱͯ΋େ͖͍ - ஍ํͰಇ͘ͳΒPHP͕ٻਓଟΊ - ஍ํͰLaravel͸গͳ͍ - ϑϨʔϜϫʔΫͷબ୒ࢶ͕ଟ͍෼ɺ৽௠୅ँ͕ྑ͍ɻྑ͍PHP ϑϨʔϜϫʔΫ͕ग़Ε͹ɺΈΜͳͦͬͪʹҠΔɻ 1)1ΛֶͿϝϦοτ

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1)1ͷ֓ཁɾϝϦοτ

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PHPͱ͸ PHPͱ͸ಈతʹWebϖʔδΛੜ੒͢Δ͜ͱ͕Ͱ ͖ΔαʔόʔαΠυͷεΫϦϓτݴޠͰ͢ɻଞͷ ϓϩάϥϛϯάݴޠͱൺֱͯ͠࢓༷΍จ๏͕؆ ୯ͳͨΊशಘ͠΍͍͢ͱݴΘΕ͍ͯ·͢ɻ·ͨ MySQLͳͲͷσʔλϕʔεͱͷ࿈ܞ͕༰қͳ͜ ͱͳͲ͔ΒɺWordPressΛؚΊͨWebΞϓϦ έʔγϣϯͷ։ൃʹ΋Α͘࢖ΘΕΔ༗໊ͳεΫ ϦϓτݴޠͰ΋͋Γ·͢ɻ https://www.kagoya.jp/howto/wordpress/php/

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PHPͰ࡞ΒΕΔγεςϜ͸ͲΜͳ΋ͷ͕ଟ͍͔ʁ ɾECαΠτ - EC-CUBE ɾWebϝσΟΞ - WordPress ɾϙʔλϧαΠτ

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LaravelҎ֎ͷPHPϑϨʔϜϫʔΫ͸ݮগ܏޲ʹ͋ΔΑ͏Ͱ͢ɻ࣍ʹւ֎ͷݱঢ়ΛݟͯΈ·͢ɻ ೔ຊͷPHPϑϨʔϜϫʔΫͷಈ޲

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೔ຊΑΓલ͔ΒLaravelͷਓؾ͕ग़͍ͯΔ ੈքͷPHPϑϨʔϜϫʔΫͷಈ޲

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3େϑϨʔϜϫʔΫͷΠϝʔδ(एׯɺओ؍΋ؚΉ) CakePHP Laravel Symfony ૣ͍ ஗͍ ௿͍ ߴ͍ ։ൃ଎౓ ֶशίετ

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1)1͸ॳֶऀʹ޲͍͍ͯΔͷ͔ʁ

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ԭೄͷεΫʔϧͰ͸PHPࣗମɺڭ͑ʹ͍͘ͱ͍͏൑அʹ ͳͬͨɻ PHP͕ॳֶऀʹڭ͑ʹ͍͘ཧ༝ - Sinatraͷ֊૚ͷϑϨʔϜϫʔΫ͕ͳ͍ - ಠࣗϑϨʔϜϫʔΫ͸͚ͬ͜͏਎ʹͳΔ͚Ͳɺڭҭίετ͕͔͔Δ - ೔ຊͩͱrubyΑΓ͸هࣄগͳΊ - Laravel͸railsΑΓ͸هࣄগͳ͍ -BSBWFM͸ॳֶऀʹ޲͍͍ͯΔͷ͔ʁ

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RubyͰݴ͏Sinatraʹ͍ۙͪΐ͏Ͳྑ͍ϑϨʔϜϫʔΫ͕ແ͍ (Slim͕͍͕ۙυΩϡϝϯτ͕গͳ͍) PHPجૅ ಠࣗϑϨʔϜϫʔΫ Laravel - ͔ͬ͠Γͱͨ͠  νϡʔτϦΞϧ͸·ͩແ͍ Rubyجૅ Sinatra Rails - RailsνϡʔτϦΞϧ Rails Laravel -BSBWFM͸ॳֶऀʹ޲͍͍ͯΔͷ͔ʁ

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ฐࣾͰͷ-BSBWFM࣮຿·Ͱͷ4UFQ εΫʔϧ΍ಠֶͰHTMLɺ CSSɺJS͘Β͍͸΍͓ͬͯ ͍ͯ΋Β͏ ݚमᶃ ੜͷPHPͰಠࣗϑϨʔϜϫʔ ΫͰܝࣔ൘੍࡞ ݚमᶄ LaravelͰϒϩά੍࡞ ݚमᶅ LaravelͰ࣮຿ 200࣌ؒ 300࣌ؒ (2ϲ݄ΠϯλʔϯͰݚम) 300࣌ؒ (2ϲ݄ΠϯλʔϯͰݚम) - ࠷ॳͷಠࣗϑϨʔϜϫʔΫͷ෦෼͸ઌഐ͕͋Δఔ౓ɺ ுΓ෇͍ͯڭ͑ͳ͍ͱɺڭࡐͱͯ͠ͷఏڙ͕೉͍͠ɻ - Laravel͸σΟϨΫτϦߏ଄ͳͲΛࣗ༝ʹ͍͡ΕΔ෼ɺ ॳֶऀʹͱͬͯ͸ɺࠞཚ͕ͪ͠ͳͷͰɺ਎ۙʹฉ͚Δ ਓ͕͍ͳ͍ͱݫͦ͠͏ OJT։࢝

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ฐࣾͰͷະܦݧΤϯδχΞͷҭͯํ ໘઀Ͱ͸Լهͷ߲໨Λॏࢹ ɾࣗओֶशҙཉ ɾૉ௚͞ ɾϗ΢Ϩϯι΢Λ͔ͬ͠ΓͰ͖Δ͔ʁ

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ฐࣾͰͷະܦݧΤϯδχΞͷҭͯํ ݚमͰ͸Լهͷ߲໨Λॏ఺తʹڭ͑Δ ɾ࣭໰ͷ࢓ํ ɾࣗݾεέδϡʔϧ؅ཧ ɾάάΔྗ ɾ։ൃͷָ͠͞ ɾϑϨʔϜϫʔΫʹґଘ͠ͳ͍ਂ͍ཧղ

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ฐࣾͰͷະܦݧΤϯδχΞͷҭͯํ ࣾ಺Ͱͷڭҭମ੍ ɾ࣭໰ʹ͸ੵۃతʹ౴͑Δɻ ɾݚम୲౰ऀΛଐਓԽͤ͞ͳ͍ɻ ɾఆظతʹ࠲ֶܗࣜͰ୭͔͕ษڧձΛ͢Δɻ ɾձࣾͱͯ͠৽ਓʹڭ͑ΔจԽΛఆணͤ͞Δɻ

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ݚमᶃ ੜͷPHPͰಠࣗϑϨʔϜϫʔΫͰϒϩά੍࡞ # PHPͰͷϒϩά࡞੒ݚम ## ཁ݅ - ੜͷPHPͷΈͰ࡞੒͢Δ͜ͱ(ϑϨʔϜϫʔΫ͸࢖Θͳ͍) ## ػೳҰཡ ɹ- Ϣʔβొ࿥ػೳ ɹ- ϩάΠϯػೳ ɹ- ϩάΞ΢τػೳ ɹ- هࣄొ࿥ػೳ ɹ- هࣄ࡟আػೳ ɹ- هࣄݕࡧػೳ ɹ- هࣄฤूػೳ ɹ- هࣄҰཡϖʔδϯάػೳ ɹ- ΧςΰϦొ࿥ػೳ ɹ- ΧςΰϦ࡟আػೳ ɹ- ΧςΰϦฤूػೳ ɹ- ΧςΰϦҰཡػೳ ɹ- λάొ࿥ػೳ ɹ- λά࡟আػೳ ɹ- λάฤूػೳ ɹ- λάҰཡػೳ ## ηΩϡϦςΟରࡦ ɹ- CSRFରࡦग़དྷ͍ͯΔࣄ ɹ- XSSରࡦ͕ग़དྷ͍ͯΔࣄ ɹ- SQLΠϯδΣΫγϣϯରࡦ͕ग़དྷ͍ͯΔࣄ ## MVCϞσϧ͕࣮ݱͰ͖͍ͯΔ͜ͱ ## ֤ೖྗ߲໨ʹରͯ͠όϦσʔγϣϯ͕ग़དྷ͍ͯΔࣄ(PHPଆͰߦ͏) - ඞਢνΣοΫ - ਺ࣈνΣοΫ - ϝʔϧΞυϨεܗࣜνΣοΫͳͲ ## PSR2ʹ४ڌ͍ͯ͠Δ͜ͱ ## ࢖༻͢Δٕज़ php7,apache,mysql ## ظݶ ○/○○·Ͱ

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ݚमᶄ LaravelͰCRUDΞϓϦ࡞੒ # LaravelͰͷCRUDΞϓϦ࡞੒ݚम ## ཁ݅ - LaravelͰCRUDͷ͋ΔΞϓϦΛ࡞੒͢Δࣄ - جຊతʹ͸ࣗ෼ͷΞΠσΟΞͰ࡞Γ͍ͨΞϓϦΛ࡞੒͢Δ - ྫɿTwitterͬΆ͍ΞϓϦɺཱྀߦઌ৘ใετοΫΞϓϦͳͲɻ - ࣗ෼Ͱը໘ઃܭɺDBઃܭ͔Βߦ͏ɻ - ࣗ෼Ͱ࡞Γ͍ͨΞϓϦΛ࡞Δ͜ͱͰ։ൃ͢Δ͜ͱͷָ͠͞Λ஌ͬͯ΋Β͏ɻ

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ݚमᶅ LaravelͰ࣮຿ -OJTܗࣜ -جຊతʹ͸ࣗࣾ։ൃͷػೳमਖ਼΍όάमਖ਼͔ΒೖΔɻ -ͬ͘͟ΓλεΫͷظݶ͸ܾΊΔ͕ɺ࠷ॳ͸ܰΊͷλεΫΛ͓ئ͍͢Δɻ -࣌ؒΛ͔͚ͯίʔυϨϏϡʔ͢Δɻ

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1)1ͷҊ݅ࣄ৘

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1)1ͷҊ݅ࣄ৘ Ruby PHP

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1)1ͷҊ݅ࣄ৘ Rails Laravel

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1)1Λ࢖͍ͬͯΔاۀ ࣗࣾ։ൃ डୗ։ൃ

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·ͱΊ

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- ਎ۙʹઌഐΤϯδχΞ͕ڭ͑ͯ͘ΕΔ؀ڥ͕͋ΔͳΒɺॳֶऀ͕PHP ͔ΒLaravelΛֶͿͷ͸Φεεϝʂ - ೔ຊͷPHPษڧձ΍ίϛϡχςΟ͸๛෋ͳͷͰɺΤϯδχΞ஥ؒ͸૿ ΍͠΍͍͢ɻ - Laravel͸RailsΑΓ͸ωοτͷهࣄগͳ͍ - Laravelͷٻਓ͸·ͩগͳ͘ɺελʔτΞοϓاۀ΍৽نͷडୗ։ൃͰ ࢖ΘΕ͍ͯΔέʔε͕ଟ͍ҹ৅ ·ͱΊ