歴史から学ぶ「Why PHP？」 PHPを書く理由を改めて理解する / Learning from History: “Why PHP?” Rediscovering the Reasons for Writing PHP

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©Fusic Co., Ltd. CONFIDENTIAL 1 ྺ࢙͔ΒֶͿʮWhy PHPʁʯ PHPΛॻ͘ཧ༝ΛվΊͯཧղ͢Δ 2025.11.8 ਗ਼Ո࢙࿠ @seike460 PHPΧϯϑΝϨϯε෱Ԭ 2025 OSEKKAI × TECHNOLOGY

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©Fusic Co., Ltd. 2 ࣗݾ঺հ ͸͡Ίʹ ਗ਼Ո ࢙࿠ (@seike460) S H I R O S E I K E גࣜձࣾFusicϓϦϯγύϧΤϯδχΞ/ΤόϯδΣϦετ AWS User Group Leaders AWS Community Builder Serverless 2025 Japan AWS Top Engineers PHPΧϯϑΝϨϯε෱Ԭͱࢲ ɹ2016ɿॳࢀՃ ɹ2017ɺ2018ɺ2019ɿొஃ ɹ2020ɿݬͷ࣮ߦҕһ௕ → ίϩφՒͰதࢭ൑அ ɹ2023ɿ࣮ߦҕһ௕ ɹ2024ɺ2025ɿొஃ ͦͷଞPHPΧϯϑΝϨϯεʹͯొஃ

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©Fusic Co., Ltd. 3 PHPΧϯϑΝϨϯε෱Ԭ10प೥ɺPHPੜ஀30प೥ 1

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©Fusic Co., Ltd. 4 PHPΧϯϑΝϨϯε10प೥ɺ΋͏Ұͭͷإ PHPΧϯϑΝϨϯε෱Ԭ͸2015೥6݄஀ੜ͠·ͨ͠ ࣮͸ͦͷ૆Ͱ͋ΔPHP͸1995೥6݄ʹ஀ੜ͠·ͨ͠ PHPΧϯϑΝϨϯε෱Ԭ10प೥͸ PHP஀ੜ30प೥Ͱ΋͋Γ·͢ ͳͥPHPΧϯϑΝϨϯε෱Ԭ͸͜Μͳʹଓ͍ͨͷ͔͸ ࢀՃͯ͘͠Ε͍ͯΔօ͞Μͷதʹ͋Δͱࢥ͍·͢ ࠓ೔ͷ໰͍ PHP͸30೥ؒબ͹Εଓ͚͍ͯΔ͔ʁ ࢀরURLɿhttps://phpcon.fukuoka.jp/2015

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©Fusic Co., Ltd. 5 ʮWhy PHP?ʯ ͳͥPHPΛ࢖͏ͷ͔ɺཧ༝͸ͦΕͧΕ͔ͱࢥ͍·͕͢ ͳͥPHP͕બ͹Εଓ͚͖ͯͨͷ͔ʹ͸ཧ༝͕͋Γ·͢ɻ - PHP࢖༻཰: 75.8%ͷWebαΠτʢW3Techs, 2024೥10݄ʣ - ։ൃऀ਺: ੈքͰ730ສਓҎ্ ͔͠͠ -ʮ࣌୅஗ΕʯʮϨΨγʔʯͱ͍͏൷൑΋ଘࡏ - RubyɺPythonɺNode.jsͳͲɺଟ͘ͷબ୒ࢶ͕ଘࡏ͢Δݱ୅ ࢀরURLɿhttps://www.php.net/archive/2025.php

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©Fusic Co., Ltd. 6 3ͭͷస׵ظ PHPͷ30೥ɿ3ͭͷస׵ظ 1994 ─────── 2010 ─────── 2015 ─────── 2025 │ ɹɹɹɹ│ ɹɹɹɹ│ ɹɹɹɹ│ ։୓ ɹɹɹԫۚ࣌୅ ɹɹةػ ɹɹɹ࠶ߏங │ ɹɹɹɹ│ ɹɹɹɹ│ ɹɹɹɹ│ Rasmus ɹWordPress ɹPHP 6ࣦഊ ɹɹɹPHP 7/8 PHP/FI ɹLAMP ɹɹɹHHVM ɹɹɹɹJIT 3ͭͷస׵఺ ᶃ1994ʙ2000ɿ࣮༻ओٛͷ஀ੜ → Webͷීٴ ᶄ2010ʙ2014ɿਂࠁͳةػ → ίϛϡχςΟͷࢼ࿅ ᶅ2015ʙ2025ɿੑೳֵ໋ → ٕज़తਐԽ

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©Fusic Co., Ltd. 7 PHPᴈ໌ظ 2

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©Fusic Co., Ltd. 8 1994-2000ɿ࣮༻ओٛͷ஀ੜ Rasmus Lerdorf ͷʮϋοΫʯ ՝୊: CGI͸஗͍ɺPerl͸ෳࡶɺCݴޠ͸هड़ίετߴ ղܾ: ʮ׬ᘳͳઃܭਤΑΓɺ·ͣಈ͘΋ͷʯ ݁Ռ: • PHP/FI 2.0 (1997): 5ສαΠτͰར༻ • HTMLʹຒΊࠐΊΔखܰ͞ • Webͷීٴ͕࢝·Δ ͔͠͠ɺ୅ঈ΋... ٕज़తෛ࠴ͷ஝ੵ → ޙͷةػ΁ ࢀরURLɿhttps://de.wikipedia.org/wiki/Rasmus_Lerdorf

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©Fusic Co., Ltd. 9 2000-2009ɿԫۚ࣌୅ Zend Engine + ΤίγεςϜ • 2000: PHP 4 + Zend Engine 1.0 - εΫϦϓτ͔ΒԾ૝Ϛγϯ΁ - ݎ࿚ੑͱεέʔϥϏϦςΟ • 2003-2004: ओཁαʔϏεͷొ৔ - WordPress (2003) - Facebook (2004) • 2005-2009: LAMPελοΫ - Webͷීٴ͕Ճ଎ - ݸਓ͕WebαΠτΛ্ཱͪ͛Δ࣌୅ ࢀরURLɿhttps://ja.wordpress.org/about/logos/

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©Fusic Co., Ltd. 10 2010-2014ɿਂࠁͳةػͷ࣌୅ 1. PHP 6ϓϩδΣΫτͷதࢭ (2010) • UnicodeରԠʢUTF-16ʣͷٕज़తഁ୼ • ϓϩδΣΫτதࢭ • ίϛϡχςΟͷఀ଺ײͱෆ҆ 2. ൷൑ͷཛྷ • ʮ͓΋ͪΌͷݴޠʯͱ͍͏ධՁ • ؔ਺໊ͷҰ؏ੑͷͳ͞ • ηΩϡϦςΟ໰୊ʢ`mysql_*`ؔ਺ʣ 3. HHVM ͷొ৔ (2011) • Facebook͕ಠࣗΤϯδϯ։ൃ • ʮPHPͷ࠷େϢʔβʔ͔ΒͷݟࣺͯΒΕʯ ࢀরURLɿhttps://www.facebook.com/hhvm/

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©Fusic Co., Ltd. 11 2015-2020ɿੑೳֵ໋ͱΞʔΩςΫνϟ࡮৽ PHP 7ͷੑೳֵ໋ (2015-) • Dmitry Stogov ཰͍ΔPHPNGϓϩδΣΫτ • zval ߏ଄ମͷ࠷దԽ • AST (ந৅ߏจ໦) ͷಋೖ • WordPress໿2ഒɺDrupal໿1.8ഒɺHHVMΛ௒͑ΔύϑΥʔϚϯε PHP 8ͷਂԽ (2020-) PHP 8.0 (2020): • JITʢJust-In-TimeʣίϯύΠϥ • ܕγεςϜͷڧԽ: Union Types, Attributes ࢀরURLɿhttps://www.php.net/releases/8.0/ja.php

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©Fusic Co., Ltd. 12 ʮWhy PHP?ʯ΁ͷ౴͑ 3

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©Fusic Co., Ltd. 13 ࣮༻ओٛ (Pragmatism) PHPͷDNA ྺ࢙తࣄ࣮ • 1994೥ɺRasmus Lerdorf • ʮ׬ᘳͳઃܭਤΑΓɺ·ͣಈ͘΋ͷʯ • Webᴈ໌ظͷ੾࣮ͳχʔζʢCGIͷඇޮ཰ੑʣ΁ͷଈ࠲ͷԠ౴ ීวతͳڭ܇ ʮ׬ᘳΑΓɺ·ͣऴΘΒͤΖ (Done is better than perfect)ʯ ໨ͷલͷ՝୊Λղܾ͢Δখ͞ͳҰา͕ੈքΛม͑Δɻ MVPɺਝ଎ͳΠςϨʔγϣϯ - ݱ୅ͷΞδϟΠϧ։ൃͷݪ఺ɻ 1. ࣮༻ओٛ Pragmatism ʮ׬ᘳΑΓɺ·ͣऴΘΒͤΖʯ

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©Fusic Co., Ltd. 14 ΤίγεςϜ (Ecosystem) ൟӫͷূ ྺ࢙తࣄ࣮ • 2003೥WordPressɺ2004೥Facebook • ݱࡏɿPackagist 367,000+ύοέʔδ • Laravel, Symfony - ݱ୅తϑϨʔϜϫʔΫ ීวతͳڭ܇ ʮΤίγεςϜͷྗ͕ɺݸͷྗΛ௒͑Δʯ ٕज़બఆ͸ɺݴޠ୯ମͷػೳͰ͸ͳ͘ɺ ΤίγεςϜશମͷ੒ख़౓ΛݟΑɻ 2. ΤίγεςϜ Ecosystem ʮΤίγεςϜͷྗ͕ɺݸͷྗΛ௒͑Δʯ

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©Fusic Co., Ltd. 15 ίϛϡχςΟ (Community) ةػΛ৐Γӽ͑ͨྗ ྺ࢙తࣄ࣮ • PHP 6ࣦഊʢ2010ʣ • HHVMڴҖʢ2011ʣ • → PHP 7࠶ߏஙʢ2015ʣ • PSRඪ४ԽɺComposerɺPHP Foundation ීวతͳڭ܇ ʮίϛϡχςΟ͸ɺاۀ͑͞΋௒͑Δ੒ՌΛग़ͤΔʯ PHP 7ͷ࠶ߏங͸ɺ Φʔϓϯιʔεͷཧ೦͕঎ۀओٛΛ௒࣮͑ͨ੷ɻ 3. ίϛϡχςΟ Community ʮίϛϡχςΟ͸ɺاۀ͑͞΋௒͑ΔྗΛ࣋ͭʯ

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©Fusic Co., Ltd. 16 ύϑΥʔϚϯε (Performance) ύϑΥʔϚϯε޲্ͷ࣮੷ ྺ࢙తࣄ࣮ • PHP 7 (2015): CMSϕϯνϚʔΫʢWordPress໿2ഒɺDrupal໿1.8ഒʣߴ଎Խ • PHP 8.0 (2020): JITίϯύΠϥ • ٕज़తෛ࠴͔Βͷ׬શͳ୤٫ ීวతͳڭ܇ ʮٕज़తෛ࠴͔Βͷ୤٫͸Մೳʯ ʮ஗͍ʯͱ͍͏ධՁΛड͚͍ͯͨPHP͕ɺ ߴੑೳͳݴޠʹม๴ɻ ଎౓ PHP 5.6 PHP 7.0 PHP 8.0 1x 2.7x 3.5x 4. ύϑΥʔϚϯε Performance ʮٕज़తෛ࠴͔Βͷ୤٫͸Մೳʯ

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©Fusic Co., Ltd. 17 ਐԽ͠ଓ͚Δҙࢤ (Evolution) ະདྷΛୗͤΔཧ༝ ྺ࢙తࣄ࣮ • ੩తܕ෇͚ͷஈ֊తಋೖ • PHP 8.1 (2021): Fibersʢඇಉظॲཧʣ • WebAssemblyɺAI/MLରԠ΁ͷ௅ઓ • PHP Foundation (2021) - ࣋ଓՄೳͳମ੍ ීวతͳڭ܇ ʮաڈͷ੒ޭମݧΛࣺͯΒΕΔऀ͚͕ͩɺະདྷΛங͘ʯ ࣗΒͷΞΠσϯςΟςΟ͑͞΋มֵ͠ଓ͚Δҙࢤɻ ͦΕ͕ͦ͜ɺ30೥ੜ͖࢒Δൿ݃ɻ v1 ج൫ v2 վળ v3 ਐԽ Next ະདྷ 5. ਐԽ Evolution ʮաڈͷ੒ޭମݧΛࣺͯΒΕΔऀ͚͕ͩɺະདྷΛ૑Δʯ

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©Fusic Co., Ltd. 18 ࡾͭͷʮ৴པʯ 1. ࠓ೔΁ͷ৴པ ͜ͷݴޠΛ࢖͑͹ɺϏδωεͷཁٻʹૉૣ͘Ԡ͑Δ͜ͱ͕Ͱ͖Δ 2. ໌೔΁ͷ৴པ ͜ͷݴޠͰ࡞ͬͨγεςϜ͸ɺ10೥ޙ΋ɺ20೥ޙ΋ಈ͖ଓ͚Δ 3. ίϛϡχςΟ΁ͷ৴པ ͜ͷݴޠͷίϛϡχςΟ͸ɺ͜Ε͔Β΋ਐԽΛଓ͚ɺࢲͨͪΛࢧ͑ͯ͘ΕΔ 30೥ͷ࣮੷͕ɺࢲͨͪʹʮ৴པʯΛ༩͑ͯ͘Ε͍ͯ·͢ɻ ࠓ ໌ ڞ ࣮༻ओٛ ΤίγεςϜ ޙํޓ׵ੑ อकੑ Foundation ࣋ଓՄೳੑ ࡾͭͷʮ৴པʯ Three Pillars of Trust ৴པ ʮ30೥ͷ࣮੷͕ங͍ͨɺ༳Δ͗ͳ͍ج൫ʯ

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©Fusic Co., Ltd. 19 PHPͷྺ࢙ͷத৺ʹ͸ɺৗʹʮਓʯ͕͍ͨ • Rasmus Lerdorf ɿ PHPͷ૑࢝ऀ • Andi Gutmans & Zeev Suraski ɿ Zend Engineͷઃܭऀ • Dmitry Stogov ɿ PHP 7ͷੑೳֵ໋Λ࣮ݱٕͨ͠ज़ऀ • Nils Adermann & Jordi Boggiano ɿ Composerͷ૑଄ऀ • ͦͯ͠ɺੈքதͷ730ສਓͷ։ൃऀ ࣋ଓՄೳͳίϛϡχςΟߏ଄ ٕज़ͱίϛϡχςΟͷ૬ޓ࡞༻͕ɺWebͷະདྷΛܗ੒͢Δ

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ʮWhy PHP?ʯ΁ͷ౴͑ ࣮༻ओٛΛݪ఺ʹɺڊେͳΤίγεςϜΛங͖ɺ ίϛϡχςΟͷྗͰةػΛ৐Γӽ͑ɺ ࣗΒΛਐԽͤ͞ଓ͚Δɻ ͜ͷੜଘઓུ͕ͦ͜ɺࢲ͕ͨͪPHPΛ৴͡ɺॻ͖ଓ͚Δཧ༝Ͱ͢ 20

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©Fusic Co., Ltd. 23 ࢀߟࢿྉ σʔλग़య: • W3Techs - PHP࢖༻཰౷ܭ: 76.4% (2024೥10݄1೔औಘ) https://w3techs.com/technologies/details/pl-php • SlashData - Developer Nation Survey Q1 2024: 730ສਓ https://www.slashdata.co/blog/developer-economy-q1-2024 • Packagist ౷ܭ: 367,000+ύοέʔδ (2024೥10݄15೔औಘ) https://packagist.org/statistics • PHP 7.0 ެࣜϦϦʔεϊʔτ: WordPress໿2ഒɺDrupal໿1.8ഒߴ଎Խ https://www.php.net/releases/7_0_0.php • PHP 8.0 ϦϦʔεϊʔτ: https://www.php.net/releases/8.0/en.php • PHP 8.1 ϦϦʔεϊʔτ: https://www.php.net/releases/8.1/en.php (Fibersಋೖ)