PHPコードの実行モデルを理解する / Understanding-the-PHP-Execution-Model

by shin1x1

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1)1ΧϯϑΝϨϯε߳઒ !TIJOY 1)1ίʔυͷ࣮ߦϞσϧΛཧղ͢Δ

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D .BTBTIJ4IJOCBSB!TIJOY !TIJOY ৽ݪʢ͠Μ͹Βʣխ࢘ େࡕͰ8FCγεςϜ։ൃ΍ٕज़αϙʔτΛߦ͍ͬͯ·͢ wCMPH IUUQTCMPHTIJOYDPN w1PEDBTU1)1ͷݱ৔ IUUQTQIQHFOCBTIJOYDPN

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D .BTBTIJ4IJOCBSB!TIJOY ͸͡Ίʹ 👉͜ͷࢿྉ͸ެ։͠·͢ 👉࣮ߦϞσϧΛͬ͘͟ΓΠϝʔδͯ͠௖͘͜ͱ͕໨త આ໌Λ؆ུԽ͍ͯͨ͠Γলུ͍ͯ͠ΔՕॴ͕͋Γ·͢ 👉ײ૝ɺϑΟʔυόοΫ͓଴͍ͪͯ͠·͢ʂ QIQDPOLBHBXBPSGPSUFFϑΟʔυόοΫϖʔδ

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D .BTBTIJ4IJOCBSB!TIJOY "HFOEB w 1)1ίʔυͷ࣮ߦϞσϧ w QIQGQN NPE@QIQ ͷ࣮ߦϞσϧ w QIQίϚϯυͷ࣮ߦϞσϧ

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D .BTBTIJ4IJOCBSB!TIJOY 1)1ίʔυͷ࣮ߦϞσϧ

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D .BTBTIJ4IJOCBSB!TIJOY 1)1ίʔυͷ࣮ߦ 1)1

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D .BTBTIJ4IJOCBSB!TIJOY 1)1ίʔυͷ࣮ߦ 1)1ϑΝΠϧ ίϯύΠϧ ΦϖίʔυΛ࣮ߦ 1)1 Φϖίʔυ 1)1ίʔυ͔ΒΦϖίʔυΛੜ੒࣮ͯ͠ߦ

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D .BTBTIJ4IJOCBSB!TIJOY Φϖίʔυ w 1)1͕࣮ߦ͢Δ໋ྩ όΠφϦσʔλʢ͜͜Ͱ͸จࣈྻͰදݱʣ w 1)1࣌఺Ͱݸͷ໋ྩ͕͋Δ w Φϖίʔυྫ "%%ʢՃࢉʣ 46#ʢݮࢉʣ &$)0ʢग़ྗFDIPจʣ

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D .BTBTIJ4IJOCBSB!TIJOY 1)1ίʔυͷ࣮ߦ

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D .BTBTIJ4IJOCBSB!TIJOY 1)1ίʔυͷ࣮ߦ

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D .BTBTIJ4IJOCBSB!TIJOY 2ͲͪΒ͕ޮ཰తʁ

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D .BTBTIJ4IJOCBSB!TIJOY "ͲͪΒ΋ಉ͡Φϖίʔυ

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D .BTBTIJ4IJOCBSB!TIJOY ଞͷ1)1ϑΝΠϧͷ࣮ߦ w Φϖίʔυ*/$-6%&@03@&7"-Λ࣮ߦ͢Δ Φϖίʔυ࣮ߦ͔࣌͠ଞͷ1)1ϑΝΠϧΛίϯύΠϧͰ͖ͳ͍ Φϖίʔυ࣮ߦίϯύΠϧ࣮ߦΛ܁Γฦ͢ w */$-6%&@03@&7"-Λੜ੒͢Δ1)1໋ྩ w JODMVEFJODMVEF@PODF w SFRVJSFSFRVJSF@PODF w FWBMʢจࣈྻ͔ΒͷίϯύΠϧɺ࣮ߦʣ w Φʔτϩʔμ΋্ه໋ྩΛݺΜͰ͍Δ

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D .BTBTIJ4IJOCBSB!TIJOY FY-BSBWFMHFU@JODMVEFE@GJMFT Ϣʔβίʔυ࣮ߦલʹϑΝΠϧҎ্ΛίϯύΠϧ

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D .BTBTIJ4IJOCBSB!TIJOY QIQGQNͷ࣮ߦϞσϧ

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D .BTBTIJ4IJOCBSB!TIJOY 1)1࣮ߦ؀ڥ w 1)1ͷओͳ࣮ߦ؀ڥ QIQGQNʢ4"1*GQNDHJʣ'BTU$(*αʔό NPE@QIQʢ4"1*BQBDIFIBOEMFSʣ"QBDIFIUUQEϞδϡʔϧ QIQίϚϯυʢ4"1*DMJʣɿίϚϯυϥΠϯ w ίΞίϯϙʔωϯτ͸ಉ͕ͩ͡ར༻ํ๏͕ҟͳΔ w QIQGQNͱNPE@QIQ͸ࣅ࣮ͨߦϞσϧ

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D .BTBTIJ4IJOCBSB!TIJOY )551ϦΫΤετॲཧͷྲྀΕ OHJOY QIQGQN )551 4 'BTU$(* (&5OPXQIQ QBUIUPOPXQIQ OPXQIQΛ࣮ߦ Content-type: text/html; charset=UTF-8 2024-05-04

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D .BTBTIJ4IJOCBSB!TIJOY QIQGQNϦΫΤετϥΠϑαΠΫϧ OHJOY 1)1ϑΝΠϧΛ ίϯύΠϧɺ࣮ߦ 1)1ͷ஋Λഁغ ίϯύΠϧ݁ՌΛഁغ QIQGQN */$-6%&@03@&7"-͕͋Ε͹܁Γฦ͢ ϦΫΤετ։࢝͸ίϯύΠϧ͔Β࢝·Δ ࣮ߦίϯςΫετ͸ϦΫΤετ୯Ґ

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D .BTBTIJ4IJOCBSB!TIJOY QIQGQN࣮ߦϞσϧͷಛ௃ w ϦΫΤετίϯςΫετ͔͠ͳ͍ άϩʔόϧม਺΍Ϋϥεม਺͸ϦΫΤετ಺ͰͷΈڞ༗ࣄނ͕ى͜Γʹ͍͘ w ঢ়ଶΛ࢒͞ͳ͍ ӡ༻ָ͕ʢ΢ΥʔϜΞοϓෆཁɺεέʔϧΠϯΞ΢τ͕༰қͳͲʣ w ϦΫΤετຖʹ1)1ϑΝΠϧΛίϯύΠϧ ͦΕͰ΋࣮༻తͳ଎౓Ͱಈ࡞͢Δ1)1ʂ 01DBDIFͰίϯύΠϧ݁ՌΛΩϟογϡͯ͠վળՄೳ IUUQTXXXQIQOFUPQDBDIF

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D .BTBTIJ4IJOCBSB!TIJOY QIQGQN։ൃͰͷߟ͑ํ w ίʔυΛॻ্͘ͰͷϕετϓϥΫςΟε͸มΘΒͳ͍ ม਺΍஋ͷείʔϓΛඞཁ࠷௿ݶʹ͢Δ ෆཁͱͳͬͨϦιʔε͸ղ์ w ϦΫΤετ͕ಠཱ͍ͯ͠Δ͜ͱ͸҆શ૷ஔ w ಈ࡞Λ೺Ѳ͢Δ্Ͱͷϕʔεͱͯ͠ཧղ͢Δ

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D .BTBTIJ4IJOCBSB!TIJOY QIQίϚϯυͷ࣮ߦϞσϧ

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D .BTBTIJ4IJOCBSB!TIJOY QIQίϚϯυ࣮ߦϞσϧ QIQίϚϯυ QIQ ϓϩηεऴྃ࣌ʹΫϦΞ ࣮ߦίϯςΫετ͸ϓϩηε୯Ґ 1)1ϑΝΠϧΛίϯύΠϧɺ࣮ߦ */$-6%&@03@&7"-͕͋Ε͹܁Γฦ͢

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D .BTBTIJ4IJOCBSB!TIJOY QIQίϚϯυ௕࣮࣌ؒߦ͢Δ΋ͷ͸஫ҙ w άϩʔόϧม਺΍Ϋϥεม਺ͳͲ͸ڞ༗͞ΕΔ w Ϧιʔεղ์͸໌ࣔతʹඞཁ ϝϞϦϦʔΫͳͲɺϦΫΤετ୯ҐͰ͸໰୊ʹͳΒͳ͍͕ɺ௕࣮࣌ؒߦͰݦࡏԽ ͢Δ͜ͱ΋ w ϦΫΤετ୯Ґͷ࣮ߦϞσϧ͕લఏʹͳ͍ͬͯΔ͜ͱ͕ଟ͍ ϓϩάϥϚͷϝϯλϧϞσϧ 044ͷϑϨʔϜϫʔΫ΍ϥΠϒϥϦ δϣϒΩϡʔͷϫʔΧʔ΍ 4XPPMF΍3FBDU1)1Λར༻ͨ͠ 8FCΞϓϦέʔγϣϯͳͲ

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D .BTBTIJ4IJOCBSB!TIJOY ·ͱΊ

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D .BTBTIJ4IJOCBSB!TIJOY ·ͱΊ w 1)1ίʔυ͸ίϯύΠϧ͞ΕɺΦϖίʔυΛ࣮ߦ w ଞͷ1)1ϑΝΠϧ͸࣮ߦ࣌ʹϑΝΠϧͮͭίϯύΠϧ w QIQGQN NPE@QIQ ͸ϦΫΤετ୯Ґͷ࣮ߦ w QIQίϚϯυ͸ϓϩηε୯Ґͷ࣮ߦ