PHP8.3の機能を振り返る / Review of PHP 8.3 features

by shiro seike

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©Fusic Co., Ltd. 1 PHP8.3ͷػೳΛৼΓฦΔ 2024.04.13 ਗ਼Ո࢙࿠ @seike460 PHPΧϯϑΝϨϯεখాݪ2024

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©Fusic Co., Ltd. 2 ਗ਼Ո ࢙࿠ @seike460 AWS Community Builder Serverless PHPΧϯϑΝϨϯε෱Ԭ2023 ࣮ߦҕһ௕ - ίϛϡχςΟ - Fukuoka.php - Fukuoka.go - JAWS-UG Fukuoka - Serverless Meetup Fukuoka - Cloudflare Meetup Fukuoka - JP_Stripes Fukuoka ࣗݾ঺հ ͸͡Ίʹ גࣜձࣾFusic ϓϦϯγύϧΤϯδχΞ/ΤόϯδΣϦετ

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©Fusic Co., Ltd. 3 CONTENTS ໨࣍ 1. PHP8.3ͷϦϦʔεʹ͍ͭͯৼΓฦΔ 2. ৽ػೳͷϦετΞοϓ 3. ֤ػೳͷઆ໌ͱར༻ྫ 4. ύϑΥʔϚϯεൺֱ 5. ·ͱΊ

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

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©Fusic Co., Ltd. 5 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 8.3.6ɹɹɹɹ˞PHP8.3.5͸ReleasePage͔Βফ͍͑ͯͨ - 2024೥4݄11೔ʢNewʂʣ

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©Fusic Co., Ltd. 6 PHP8.3ͷαϙʔτظݶ - Active Support - 2025೥11݄23೔ ࠓ೔͔Β590೔ - Security Support - 2026೥11݄23೔ ࠓ೔͔Β955೔ ͭ·ΓPHPΧϯϑΝϨϯεখాݪ2024 ͔Β590೔ɺ955೔ͱ͓͍֮͑ͯͯ ࢥ͍ग़ͤΔΑ͏ʹ͓͖ͯ͠·͠ΐ͏

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©Fusic Co., Ltd. 7 ৽ػೳͷϦετΞοϓ 2

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©Fusic Co., Ltd. 8 ৽ػೳͷϦετΞοϓ - ػೳͱͯ͠ͷ௥Ճ - Ϋϥεఆ਺ͷܕ෇͚ - Ϋϥεఆ਺ͷจࣈྻࢦఆ - Attribute#[\Override]ͷ௥Ճ - ಡΈऔΓઐ༻ϓϩύςΟͷσΟʔϓΫϩʔϯ - ίϚϯυϥΠϯLinterͷෳ਺ϑΝΠϧࢦఆʢࠓճׂѪʣ - ؔ਺ɺϝιουͷ௥Ճ - json_validate - Randomizer::getBytesFromString() - Randomizer::getFloat() - Randomizer::nextFloat() https://www.php.net/releases/8.3/ja.php

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©Fusic Co., Ltd. 9 ֤ػೳͷઆ໌ͱར༻ྫ 3

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©Fusic Co., Ltd. 10 Ϋϥεఆ਺ͷܕ෇͚ interfaceͰఆٛ͞Εͨఆ਺ ʮTESTʯ͕จࣈྻͱͯ͠ઃఆ ࣮૷͢ΔΫϥεFooͰ഑ྻʹɺ ͞ΒʹBarͰnullʹมߋ͞Ε͍ͯ·͢ɻ interfaceͷఆ਺͕ࢠΫϥεͰ ܕ΍஋Λࣗ༝ʹมߋͰ͖ΔͨΊɺ ༧ظͤ͵όάͷݪҼͱͳΔՄೳੑ

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©Fusic Co., Ltd. 11 Ϋϥεఆ਺ͷܕ෇͚ - ࠾༻͞ΕͨProposal ྻڍܕɺtraitɺinterfaceɺclassؒͰ ܕ෇͖ͷఆ਺Λڞ༗͠ɺ Ұ؏ੑͱܕ҆શੑΛอ࣋ ఆ਺ͷ࠶ఆٛΛڐͭͭ͠΋ɺ ܕΛอ࣋͢Δ͜ͱͰɺ ༧ଌՄೳͰ҆શͳίʔυϕʔεΛ࣮ݱ

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©Fusic Co., Ltd. 12 Ϋϥεఆ਺ͷจࣈྻࢦఆ Ϋϥεఆ਺Λಈతʹར༻͢Δͱ ߏจΤϥʔʹͳΔ ม਺ʹԠͨ͡ɺఆ਺Λग़ྗ͍ͨ͠ έʔε͸ԟʑʹͯ͋͠ΔͨΊ constantؔ਺Λ࢖͏ͳͲ ඇৗʹ൥ࡶʹͳͬͯ͠·͍ͬͯͨ

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©Fusic Co., Ltd. 13 Ϋϥεఆ਺ͷจࣈྻࢦఆ - ม਺΍ϓϩύςΟ͸ಈతʹࢦఆՄೳ ࠨͷ༷ͳέʔεΛར༻͢Δ͜ͱͰ ίʔυͷදݱྗ্͕͕͍ͬͯͨ ࠨͷίʔυ͸PHP8.2Ͱ΋࣮ߦՄೳ - ม਺ͷಈతࢀর - ΦϒδΣΫτϓϩύςΟͷಈతࢀর - ੩తϓϩύςΟͷಈతࢀর

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©Fusic Co., Ltd. 14 Ϋϥεఆ਺ͷจࣈྻࢦఆ ΋ͪΖΜϝιουʹ΋ରԠ͍ͯͨ͠ ҰํͰఆ਺ʹରԠ͍ͯ͠ͳ͔ͬͨ ࠨͷ༷ͳίʔυ͸ ౰ͨΓલʹॻ͍ͯ͠·͍ͦ͏͕ͩ ͜Ε͕NGͩͬͨ

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©Fusic Co., Ltd. 15 Ϋϥεఆ਺ͷจࣈྻࢦఆ - خ͍͠ར༻έʔε Enum ಛʹEnumΛར༻͢Δέʔε͕خ͍͠ ࣍ͷΑ͏ʹ࣮૷͢Δ͜ͱ΋ग़དྷΔͷͰ EnumΛඇৗʹར༻͠΍͘͢ͳΓ·͢ (͜Ε΋ͬͱૣ͘ཉ͔ͬͨ͠ͳ͊…) ͜ͷ࣮૷ʹΑΓདྷ೥ʹͳΔͱࣗಈతʹ PHPConference Odawara 2025ʹͳΓ ͋ͱ͸interfaceΛ࣮૷͢Δͱ ։࠵ՄೳʹͳΓ·͢

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©Fusic Co., Ltd. 16 Attribute#[\Override]ͷ௥Ճ ϝιου໊ͷλΠϓϛεͳͲʹΑΓ ҙਤͨ͠ΦʔόʔϥΠυ͕ࣦഊ͠ɺ ҙਤ͠ͳ͍ಈ࡞ͱͳΔ͜ͱ͕͋Δ ࠨͷίʔυͷ৔߹ɺPHPUnitͷ setUp͕setUppʹͳ͍ͬͯΔͨΊɺ myProp্͕ॻ͖͞Εͳ͍

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©Fusic Co., Ltd. 17 Attribute#[\Override]ͷ௥Ճ ϝιου໊ͷλΠϓϛεͳͲʹΑΓ ҙਤͨ͠ΦʔόʔϥΠυ͕ࣦഊ͠ɺ ҙਤ͠ͳ͍ಈ࡞ͱͳΔ͜ͱ͕͋Δ ࠨͷίʔυͷ৔߹ɺPHPUnitͷ setUp͕setUppʹͳ͍ͬͯΔͨΊɺ myProp্͕ॻ͖͞Εͳ͍ ݁Ռɺཧ༝͕Θ͔ΒͣҰੜ೰Ή͜ͱʹ

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©Fusic Co., Ltd. 18 Attribute#[\Override]ͷ௥Ճ - ๷͛ΔBadέʔε #[\Override]ͱ͍͏Attribute͕௥Ճ ਌Class΍interfaceʹಉ͡Method͕ ఆٛ͞Ε͍ͯͳ͍৔߹Τϥʔ͕ൃੜ Ҿ਺΍໭Γ஋͕ؒҧ͍ͬͯΔ৔߹΍ ݩͷϝιου͕มߋ͞Εͨ৔߹΋༗ޮ Fatal error: Tests\Unit\ExampleTest::setUpp() has #[\Override] attribute, but no matching parent method exists

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©Fusic Co., Ltd. 19 ಡΈऔΓઐ༻ϓϩύςΟͷσΟʔϓΫϩʔϯ readonly͸ෆมੑΛอͭͨΊʹ ඇৗʹ༗༻ͳػೳ ҰํΦϒδΣΫτͷΫϩʔϯ࡞੒ͷࡍ ৽͍͠؀ڥ΍ཁ݅ʹ߹Θͤͯ ಺෦ঢ়ଶΛมߋ͍ͨ͠ࣄ͕͋Δ ࠨͷ৔߹͸ɺDateTimeΛ Clone࣌ͷ΋ͷʹมߋ͍ͨ࣌͠ͷྫ

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©Fusic Co., Ltd. 20 json_validate json_validate() ؔ਺͕௥Ճ JSONϑΥʔϚοτΛޮ཰తʹݕূ json_decode()Λ࢖༻ͨ͠ݕূͰ͸ɺ ෆਖ਼ͳJSONσʔλͰ΋ ΦϒδΣΫτ΍഑ྻΛੜ੒͠ɺ ແବͳϝϞϦͱCPUΛফඅ͍ͯͨ͠

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©Fusic Co., Ltd. 21 Random\Randomizer::getBytesFromString Random֦ுϞδϡʔϧʹɺ ࢦఆͨ͠จࣈྻ͔ΒϥϯμϜͳจࣈྻ Λੜ੒͢ΔgetBytesFromString͕௥Ճ ҉߸తʹ΋҆શͳϥϯμϜจࣈྻ͕ ؆୯ʹੜ੒Մೳʹ

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©Fusic Co., Ltd. 22 Random\Randomizer::getFloatɺnextFloat ϥϯμϜුಈখ਺఺Λੜ੒͢Δ getFloat΋௥Ճ nextFloat΋ଘࡏͯ͠ɺ ͜ͷ৔߹0Ҏ্1ະຬͷුಈখ਺఺Λ ੜ੒͢ΔࣄʹͳΓɺࠨͷίʔυͱಉ౳

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©Fusic Co., Ltd. 23 ͦͷଞͷ௥Ճؔ਺΋͋Γ·͢ ϦϦʔεαΠτ΍ChangeLogΛνΣοΫ͠·͠ΐ͏ʂ

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©Fusic Co., Ltd. 25 ύϑΥʔϚϯεͷൺֱ ϚΠφʔΞοϓσʔτͳͷͰɺ ڪΒ͘LaravelͳͲͰͷ଎౓มԽ͸ ݟ͑ͮΒ͍ͱߟ͑·ͨ͠ ͳͷͰCPUBoundͳฏํࠜͷܭࢉΛ ࿩ऀͷझຯͰFiberΛ࢖͍ 50ճߦ͍·ͨ͠ɻ ※Fiber࢖ͬͯ·͕͢ɺCPU BlockingͰ ಉظతͳॲཧͱͳ͍ͬͯ·͢ 50ճLoopͯ͠Δͱࢥ͍ͬͯͩ͘͞ɻ

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©Fusic Co., Ltd. 31 PHP8.3 ಛʹܕ΍AttributeΛར༻ͯ͠कΕΔͱ͍͏ࢥ૝͕ڧ͘ײ͡ΒΕͨ PHP͸ݎ࿚ͳϓϩάϥϜΛॻ͘͜ͱ͕ग़དྷΔ४උ͕ग़དྷ͍ͯΔ ঢ়گʹԠͯ͡ݻ͘ॻ͖ɺૣ͞ΛٻΊΔ࣌͸ॊೈʹهड़Λબ୒Մೳ

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©Fusic Co., Ltd. 33 ·ͱΊ PHP8.3͸PHPΧϯϑΝϨϯεখాݪ2024͔Β955೔ͷ෇͖߹͍Ͱ͢ɻ͔ͬ͠Γ޲͖߹͍·͠ΐ͏ Point 01 ܕ΍AttributeͰίʔυकΔͱ͍͏੔උ͕ਐΜͰ͓Γɺࣗ෼ͨͪʹͯ੔උ͢ΔࣄΛબ୒Ͱ͖Δɻ Point 02 ࠓճ௥Ճ͞Εͨؔ਺Ҏ֎ͷ΋ͷ΋͋Γ·͢ʂͥͻChangeLogΛ௥ͬͯΈ·͠ΐ͏ʂ Point 03 एׯPHP8.3ͷํ͕ૣ͘ͳ͍ͬͯΔࣄ͕ݟ͑ͨɺͰ΋Ξοϓσʔτͷ໨తʹ͢Δ΄ͲͰ͸͋Γ·ͤΜɻ Point 04