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わたしがしてきた失敗の話をしようか
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ashibe
October 20, 2024
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120
わたしがしてきた失敗の話をしようか
2024年10月19日開催の「PHP勉強会 in 広島 vol.1」の登壇発表資料です。
https://hiroshimaphp.connpass.com/event/321216/
ashibe
October 20, 2024
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Transcript
Θ͕͖ࣦͨͯͨ͠͠ഊͷΛ͠Α͏͔ ݄1)1ษڧձJOౡ7PM גࣜձࣾ(P24ZTUFNڮޱ྇
ԿΛ͍͑ͨͷ͔ Έͳ͞Μࣦഊͨ͜͠ͱ͋Γ·͔͢
ԿΛ͍͑ͨͷ͔ ࣦഊ͢ΔͷݏͰ͢ΑͶ
ԿΛ͍͑ͨͷ͔ Ͱ࣌ʹࣦഊϙδςΟϒͳͷͰ͢
ԿΛ͍͑ͨͷ͔ ͪΖΜωΨςΟϒͳࣦഊ͋Γ·͢
ԿΛ͍͑ͨͷ͔ ͜ͷ̎ͭͷࣦഊͷҧ͍ͳΜͰ͠ΐ͏͔
ԿΛ͍͑ͨͷ͔ ͦͷࣦഊ͔Βֶͼ͕͔͋ͬͨ ֶΜͩ͜ͱΛ׆͔͢͜ͱ͕Ͱ͖͍ͯΔ͔ ͦͷޙͷߦಈࢥߟ࣍ୈ
ԿΛ͍͑ͨͷ͔ ࣦഊ͔Βֶͼ͕͋Γɺ׆͔͢͜ͱ͕Ͱ͖͍ͯΔ ˣ ϙδςΟϒͳࣦഊ
ԿΛ͍͑ͨͷ͔ ࣦഊ͔Βֶͣɺ׆͔͍ͤͯͳ͍ʢͰ͖ͳ͍ʣ ˣ ωΨςΟϒͳࣦഊ
ԿΛ͍͑ͨͷ͔ ͍ͬͺ͍ࣦഊֶ͍͍ͯ͠
ԿΛ͍͑ͨͷ͔ Ͱ͕ࣗࣗܦݧͰ͖ΔࣦഊݶΓ͕͋Δ
ԿΛ͍͑ͨͷ͔ ਓͷࣦഊ͔Βֶ͍͍
ԿΛ͍͑ͨͷ͔ ͳͷͰࠓࢲ͕͖ࣦͯͨ͠ഊΛ গ͚͓ͩ͠͠͠·͢
ΞδΣϯμ ࣗݾհ Θͨ͠ͷࣦഊஊ ·ͱΊ
ࣗݾհ ڮޱɹ྇ʢʣ גࣜձࣾ(P24ZTUFNࣥߦһ݉ΤϯδχΞϦϯάϚωʔδϟʔ ઍ༿ݝʹॅΜͰ·͢ʢౡग़ʣ લ৬͓Έম͖ͷܦӦɺͦͷલͣͬͱӦۀ݉1.ɺҰ࣌ظΰϦΰϦͷඈͼࠐΈӦۀ ాʹ͓ళ͋ΔͷͰɺػձ͕͋ΕʢΦίϊϛϠΩɹΦπϧʣ ࡀલͷࡀͰΤϯδχΞʹ ίϯςφେ͖ɺ"84&$4େ͖ ٕज़શൠ͖Ͱ͕͢ɺΠϯϑϥ͕͖ ΤϯδχΞʹͳ͖͔͚ͬͨͬ2JJUBʹॻ͍͍ͯΔͷͰڵຯ͋Ε
IUUQTRJJUBDPN3)JUFNTFBDCBBCGFB
ΞδΣϯμ ࣗݾհ Θͨ͠ͷࣦഊஊ ·ͱΊ
ࣦഊͨ͜͠ͱͦͷ̍ ൴ঁͷੜʹ͓ΊͰͱ͏-*/&͠ͳ͔ͬͨ ʢձͬͨ࣌ʹ͑Α͏ͱࢥͬͨΜͩΑɺɺɺʣ
ࣦഊͨ͜͠ͱͦͷ̍ ൴ঁͷੜʹ͓ΊͰͱ͏-*/&͠ͳ͔ͬͨ ʢձͬͨ࣌ʹ͑Α͏ͱࢥͬͨΜͩΑɺɺɺʣ ˣ ֶΜͩ͜ͱɿࣗͷࢥ͍͚ͩͰμϝɺ૬खͷظΛߟ͑ΔɾΔ
ࣦഊͨ͜͠ͱͦͷ̎ ೲલͷɺೲ͕ͳ͍ ʢ͓ئ͍ͨ͠ͷʹ࡞ͬͯ͘Ε͍ͯͳ͍ɺɺɺʣ
ࣦഊͨ͜͠ͱͦͷ ೲલͷɺೲ͕ͳ͍ ʢ͓ئ͍ͨ͠ͷʹ࡞ͬͯ͘Ε͍ͯͳ͍ɺɺɺʣ ˣ ֶΜͩ͜ͱɿͨͱ͑৴པ͕͕͓ؔ͋ͬͯࣗئ͍ͨ͠ࣄࣗ ͰΛ࣋ͬͯϑΥϩʔ͠ͳ͚Ε͍͚ͳ͍
ࣦഊͨ͜͠ͱͦͷ̏ 5FSSBGPSNBQQMZͰ71$ϐΞϦϯάΛআͨ͠ ʢίϯιʔϧͰ࡞ͬͨʢࣗʣΛίʔυʹөͤͯ͞ͳ͔ͬͨɺɺɺʣ
ࣦഊͨ͜͠ͱͦͷ̏ 5FSSBGPSNBQQMZͰ71$ϐΞϦϯάΛআͨ͠ ʢίϯιʔϧͰ࡞ͬͨʢࣗʣΛίʔυʹөͤͯ͞ͳ͔ͬͨɺɺɺʣ ˣ ֶΜͩ͜ͱɿجຊΛΕΔͳʂ ίϚϯυͷ࣮ߦલʹ࣮ߦ༰Өڹൣғ֬ೝ͢Δ ʢಛʹຊདྷ5FSSBGPSNͷԸܙΛड͚Δͱ͜Ζͳͷ͔ͩΒɺɺɺ ͦͦίϯιʔϧͰ࡞ͬͨͷJNQPSUɺɺɺʣ
ࣦഊͨ͜͠ͱͦͷ̐ मਖ਼ޙɺσʔλ͕%#ʹอଘ͞Εͳ͘ͳ͍ͬͯͨ ʢؾ͍ͨͷޙɺκοͱͨ͠ɺɺɺʣ
ࣦഊͨ͜͠ͱͦͷ̐ मਖ਼ޙɺσʔλ͕%#ʹอଘ͞Εͳ͘ͳ͍ͬͯͨ ʢؾ͍ͨͷޙɺκοͱͨ͠ɺɺɺʣ ˣ ֶΜͩ͜ͱɿσϓϩΠޙͷݕূపఈతʹΔ ʢ։ൃڥͰͳͯ͘ຊ൪ڥͰ͕ൃੜ͢Δ͜ͱ͋Δʣ
ࣦഊͨ͜͠ͱͦͷ̑ ϩάͷத͕ബ͗ͯ͢σόοάͷʹཱͨͳ͍ ʢͳ͍ΑΓϚγʁ͍ɺඞཁͳใͳ͍ͱͳ͍ʹ͍͠ɺɺɺʣ
ࣦഊͨ͜͠ͱͦͷ̑ ϩάͷத͕ബ͗ͯ͢σόοάͷʹཱͨͳ͍ ʢͳ͍ΑΓϚγʁ͍ɺඞཁͳใͳ͍ͱͳ͍ʹ͍͠ɺɺɺʣ ˣ ֶΜͩ͜ͱɿΧοί͚ͭͳ͍ʂຊޠͰ۪ʹ͜ΕͳΜͷϩάͰɺ Կ͕ى͖ͨ࣌ʹग़ྗ͞ΕΔͷ͔ɺԿΛ֬ೝ͖͢ͳͷ͔Λ͢ ʢ˞ΫϨσϯγϟϧܥؚΊͳ͍Α͏ʹʣ
ࣦഊͨ͜͠ͱͦͷ̒ υΩϡϝϯτ ಛʹ"%3 ॻ͍ͯͳ͍ ʢࣗࣗԿ͕͋ͬͯ͜ͷ༷ʹͨ͠ͷ͔͍֮͑ͯͳ͍ɺɺɺʣ
ࣦഊͨ͜͠ͱͦͷ̒ υΩϡϝϯτ ಛʹ"%3 ॻ͍ͯͳ͍ ʢࣗࣗԿ͕͋ͬͯ͜ͷ༷ʹͨ͠ͷ͔͍֮͑ͯͳ͍ɺɺɺʣ ˣ ֶΜͩ͜ͱɿࣗʢਓؒʣͬͯࢥ͍ͬͯΔ΄ͲهԱྗͳ͍ ʢಛʹϋʔυͳঢ়گ΄Ͳͳͥͦ͏͔͍֮ͨ͑ͯ͠ͳ͍ͷͰɺ ͕࣌ؒͳ͍࣌΄ͲϝϞ͓ͯ͘͠ʣ
ΞδΣϯμ ࣗݾհ Θͨ͠ͷࣦഊஊ ·ͱΊ
·ͱΊ Έͳ͞Μࣦഊ͍ͯ͠·͔͢ ࣦഊ͔ΒֶΜͰ͍·͔͢
·ͱΊ ࣦഊωΨςΟϒͳͷͰ͋Γ·ͤΜ
·ͱΊ ͦͷ࣌ݏͳؾ࣋ͪΛ͢Δ͔͠Ε·ͤΜ ۤ͠Ή͔͠Ε·ͤΜ Ͱࣦഊ͔ΒֶͿ͜ͱͰͰ͖·͢
·ͱΊ ࣦഊ͢ΔʹνϟϨϯδ͠ͳ͚Ε͍͚·ͤΜ
·ͱΊ ͍ͬͯΔɺ׳Ε͍ͯΔɺͰ͖Δ͜ͱ͚ͩΛ͍ͯͨ͠Β ࣦഊ͢Δ͜ͱ͕ͳ͘ͳΔ
·ͱΊ ಛʹܦݧ͕ͳ͍͜ͱΛ͢Δʹ༐ؾͱύϫʔ͕ඞཁͰ͢
·ͱΊ ͰΒͳ͍ΑΓͬͨ΄͏͕ޙչগͳ͍Ͱ͢
·ͱΊ ࣦഊͷଟ͘୭͔͕͢Ͱʹܦݧ͍ͯ͠·͢
·ͱΊ ࣗͰࢥ͏ΑΓपΓͷਓԿࢥΘͳ͍Ͱ͠ΐ͏
·ͱΊ ͦͷࣦഊͰਓ͕ࢮ͵͜ͱͳ͔ͳ͔ͳ͍Ͱ͠ΐ͏
·ͱΊ ࠷ॳ͔Β্ख͍͘͘͜ͱ͋Δ͔͠Εͳ͍
·ͱΊ Ͱҙ֎ͱޭ͔ΒͷֶͼΑΓ ࣦഊ͔Βͷֶͼͷํ͕ਓੜΛࢧ͍͑ͯΔ ˞ݸਓͷײ
·ͱΊ ΕΔͳΒνϟϨϯδͯ͠ΈΑ͏ ͦͷνϟϯε̎ͱͳ͍͔͠Εͳ͍ ࣦഊ͔ͯͦ͜͠Βֶ͍͍͡Όͳ͍
·ͱΊ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠