有効な使い方を正しく理解して実装する PHP8.3の最新機能の「ウラ側」 / Understanding and Implementing Effective Usage Correctly The "Uraside" of PHP 8.3's Latest Features

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©Fusic Co., Ltd. 1 ༗ޮͳ࢖͍ํΛਖ਼͘͠ཧղ࣮ͯ͠૷͢Δ PHP8.3ͷ࠷৽ػೳͷʮ΢ϥଆʯ 2024.07.02 @seike460 Fusic Tech Live Vol.20 ʙPHPer CONNECTʙ

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©Fusic Co., Ltd. 2 ਗ਼Ո ࢙࿠ @seike460 AWS Community Builders Serverless ݄ؒPHPΧϯϑΝϨϯε2024 - PHPΧϯϑΝϨϯε๺ւಓ2024 ొஃ (LT) - PHPΧϯϑΝϨϯεؔ੢2024 ొஃ (LT) - PHPerKaigi2024 ొஃ (LT) - PHPΧϯϑΝϨϯεখాݪ2024 ొஃ - PHPΧϯϑΝϨϯε߳઒2024 ొஃ - PHPΧϯϑΝϨϯε෱Ԭ2024 ొஃ ࣗݾ঺հ ͸͡Ίʹ גࣜձࣾFusic ϓϦϯγύϧΤϯδχΞ/ΤόϯδΣϦετ

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©Fusic Co., Ltd. 3 CONTENTS ໨࣍ 1. PHP8.3ͷϦϦʔεʹ͍ͭͯৼΓฦΔͰ৮Εͨ͜ͱ 2. ·ͩ·ͩ͋ΔɺPHP8.3ͷΞοϓσʔτ 3. ֤ػೳͷઆ໌ͱར༻ྫ 4. ࠷৽৘ใΛऔಘ͢Δखஈ 5. ·ͱΊ

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©Fusic Co., Ltd. 4 PHP8.3ͷϦϦʔεʹ͍ͭͯৼΓฦΔ Ͱ৮Εͨ͜ͱ 1

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©Fusic Co., Ltd. 5 ઌिͷPHPΧϯϑΝϨϯε෱Ԭ2024Ͱͷൃද಺༰

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©Fusic Co., Ltd. 6 PHP8.3ͷϦϦʔεʹ͍ͭͯৼΓฦΔ - PHP 8.3.0 - 2023೥11݄23೔ - PHP 8.3.1 - 2023೥12݄21೔ - PHP 8.3.2 - 2024೥1݄18೔ - PHP 8.3.3 - 2024೥2݄15೔ - PHP 8.3.4 - 2024೥3݄14೔ - PHP 8.3.6 - 2024೥4݄11೔ - PHP 8.3.7 - 2024೥5݄9೔ - PHP 8.3.8 - 2024೥6݄6೔ ɹɹɹɹɹɹɹɹɹɹɹɹ˞PHP8.3.5͸ReleasePage͔Β࡟আࡁ

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©Fusic Co., Ltd. 7 PHP8.3ͷαϙʔτظݶ - Active Support - 2025೥11݄23೔ ࠓ೔͔Β520೔ - Security Support - 2026೥11݄23೔ ࠓ೔͔Β885೔

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©Fusic Co., Ltd. 8 ʮPHP8.3ͷϦϦʔεʹ͍ͭͯৼΓฦΔʯͰ৮Εͨ΋ͷ

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©Fusic Co., Ltd. 9 ࣮͸·ͩ·ͩ͋Γ·͢

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©Fusic Co., Ltd. 10 ࣮͸·ͩ·ͩ·ͩ͋Γ·͢

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©Fusic Co., Ltd. 11 ࣮͸·ͩ·ͩ·ͩ·ͩ͋Γ·͢

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©Fusic Co., Ltd. 12 ࣮͸·ͩ·ͩ·ͩ·ͩ͋Γ·͢

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©Fusic Co., Ltd. 13 ࣮͸·ͩ·ͩ·ͩ·ͩ͋Γ·͢

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©Fusic Co., Ltd. 14 ࣮͸·ͩ·ͩ·ͩ·ͩ͋Γ·͢

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©Fusic Co., Ltd. 15 ࣮͸·ͩ·ͩ·ͩ·ͩ͋Γ·͢

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©Fusic Co., Ltd. 16 ࣮͸·ͩ·ͩ·ͩ·ͩ͋Γ·͢

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©Fusic Co., Ltd. 17 ·ͩ·ͩ͋ΔɺPHP8.3ͷΞοϓσʔτ 2

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©Fusic Co., Ltd. 18 PHPΧϯϑΝϨϯε෱Ԭ2024Ͱ৮Εͨࣄ - ػೳͱͯ͠ͷ௥Ճ - Ϋϥεఆ਺ͷܕ෇͚ - Ϋϥεఆ਺ͷจࣈྻࢦఆ - Attribute#[\Override]ͷ௥Ճ - ಡΈऔΓઐ༻ϓϩύςΟͷσΟʔϓΫϩʔϯ https://www.php.net/releases/8.3/ja.php

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©Fusic Co., Ltd. 19 ຊ೔Ͱ৮ΕΔࣄ - ແ໊Ϋϥε΋readonly ͱͯ͠ϚʔΫͰ͖Δ - ϚδοΫϝιουͰ࡞ͬͨΫϩʔδϟ ໊લ෇͖Ҿ਺Λड͚ೖΕՄೳ - τϨΠτͷϝιουͷfinal ࢦఆ - static ม਺ͷॳظԽʹ೚ҙͷࣜར༻Մ https://www.php.net/manual/ja/migration83.new-features.php

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©Fusic Co., Ltd. 20 ͓ؾʹೖΓͷίʔυγΣΞαʔϏε https://carbon.now.sh ͍ΖΜͳݴޠʹରԠͯͯ͠ ؾܰʹར༻Ͱ͖ΔͷͰΦεεϝ

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©Fusic Co., Ltd. 21 ֤ػೳͷઆ໌ͱར༻ྫ 3

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©Fusic Co., Ltd. 22 ͦ΋ͦ΋ແ໊Ϋϥεͱ͸ʁ ແ໊Ϋϥε ͸໊લΛ࣋ͨͳ͍Ϋϥε Ұ౓͚ͩ࢖༻͢Δ৔߹ʹศར ར఺ - Ұ࣌࢖༻͢ΔΦϒδΣΫτΛ͙͢ʹ ࡞੒Ͱ͖ίʔυͷ؆ܿ͞Λอͭ - ಗ໊ؔ਺ͱࣅͨ࢖͍ํ͕Ͱ͖ɺ ؔ਺΍ϝιουͷҾ਺ͱͯ͠౉͢

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©Fusic Co., Ltd. 23 ແ໊Ϋϥεʹͯreadonly͕ར༻Մೳʹ ྫ͑͹APIͷResponseͳͲɺ Ұ౓ઃఆͨ͠Βมߋͷඞཁ͕ͳ͍΋ͷ ࠨͷྫͷ৔߹ɺ ͢ͰʹHTTP OKͳΠϯελϯε΁ͷ εςʔλείʔυͷ্ॻ͖Λ๷͙ ͜͜ʹ readonly ͕ར༻Ͱ͖ͳ͍ ҧ࿨ײΛղফͯ͠Δ෦෼͕େ͖ͦ͏

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©Fusic Co., Ltd. 24 ͦ΋ͦ΋magic methodͱ͸ʁ PHPͰಛఆͷঢ়گԼͰ ࣗಈతʹݺͼग़͞ΕΔϝιου __construct() ɹΠϯελϯεԽ͞ΕΔͱ͖ __destruct() ɹΠϯελϯε͕ഁغ͞ΕΔͱ͖ __call() ɹଘࡏ͠ͳ͍ϝιου͕ ɹݺͼग़͞Εͨͱ͖

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©Fusic Co., Ltd. 25 magic methodͰ࡞ΒΕͨClosureɿ໊લ෇͖Ҿ਺ $seike->Magic(…)ʹͯClosure ͕ฦ͞ΕΔ ͦͷClosureʹʮShiroʯͱ͍͏ ໊લ෇͖Ҿ਺Λར༻ՄೳʹͳΔ

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©Fusic Co., Ltd. 26 Traitͷ࢓૊Έ ΫϥεͰ࠶ར༻Մೳͳϝιουͷ ηοτΛఆٛ͢ΔͨΊͷ࢓૊Έ Use ExampleTrait; ʹͯ୯७ʹΠϯϙʔτ͢Δ͜ͱ΋Մೳ

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©Fusic Co., Ltd. 27 Trait Methodͷfinal ࢦఆ use ExampleTrait { importantMethod as final; } ͷΑ͏ͳܗͰར༻Մೳʹ PHP8.2Ͱ͸ΤϥʔʹͳΓ·͢

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©Fusic Co., Ltd. 30 static ม਺ͷॳظԽʹ೚ҙͷࣜར༻Մ static ม਺೚ҙͷࣜΛຒΊࠐΈՄೳʹ Ұ౓͚ͩऔಘ͢Δ෦෼ʹࠩ͠ࠐΊΔ ྫ͑͹DBͷCounterͳͲʹ΋ར༻Մೳ ※ྫ͸τϥϯβΫγϣϯ͕ແࢹ͞ΕΔ ਅࣅ͠ͳ͍Ͱ͍ͩ͘͞… Ұ౓͔͠ݺ͹Εͳ͍ͷͰ Singletonͷ࣮૷ʹ࢖͑Δ…ʁ

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©Fusic Co., Ltd. 33 ͕ɺ࠷৽ͷ৘ใ͸൓ө͖͠Ε͍ͯͳ͍… magic methodͰ࡞ͬͨ Closure ʹؔͯ͠͸આ໌Έͯ૝૾͕෇͖ͮΒ͘ αϯϓϧίʔυͳͲͳͯ͘ ͲͷΑ͏ͳ΋ͷ͔গ͠໎ͬͨ Closure ͷઆ໌΍magic methods ·ͰϚχϡΞϧΛಡΜͰݟ·͕ͨ͠ ·ͩ൓ө͞Ε͍ͯ·ͤΜͰͨ͠ ݁ՌChatGPTsΈ͍ͨͳ෦෼΋ ඍົͳ݁Ռʹ

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©Fusic Co., Ltd. 34 ۩ମʹؔͯ͠͸ӳจͰGitHubΛݕࡧ͢Δͷ͕ૣ͍ php / php-srcͷGitHubʹ ૝ఆͷαϯϓϧίʔυͳͲ΋৐͍ͬͯͨ ߏจͳͲ͕ཧղग़དྷͨΓ΋͠·ͨ͠ ࠓճ࣮͸Ұ൪ݸਓతʹֶͼʹͳͬͨͷ͕ PHPϚχϡΞϧͱ php/php-srcΛ ྆ํಡΉ͜ͱͰ͍ΖΜͳ৘ใΛ ௥͑ΔΑ͏ʹͳΓ·ͨ͠

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©Fusic Co., Ltd. 38 ·ͱΊ PHP8.3͸2026೥·Ͱར༻͠·͢ɻ͔ͬ͠Γ޲͖߹͍·͠ΐ͏ Point 01 PHP 8.3.0 Release Announcementʹ৐͍ͬͯͳ͍ػೳ΋͋Γ·͢ Point 02 ৘ใΛूΊΔखஈΛཱ֬͢Δ͜ͱͰɺ͞Βʹֶͼ͕޿͕Γ·͢ɻࣗ෼ͨͪͷ৘ใͷ௥͍ํΛݟ͚ͭ·͠ΐ͏ʂ Point 03