PHP Conference Japan 2022 English Title: How to manage memories accurately in PHP
ΊΓʔ1)1ϝϞϦཧज़1)1ΧϯϑΝϨϯε
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@2020 Torana, Inc.
@2020 Torana, Inc. @2020 Torana, Inc.ΊΓʔࣗݾհ1)1Ͱ+7.Λ࣮ͨ͠ΓຊΛॻ͍ͯͨΓͯ͠·͢ɻೕ༮ࣇ͚ҭ؝۩ͷαϒεΫϦϓγϣϯαʔϏεʮτΠαϒʂʯΛఏڙ͢ΔגࣜձࣾτϥʔφͰ$50Λ͍ͯ͠·͢ɻ!NNS
@2020 Torana, Inc.ΞδΣϯμϝϞϦͳͥΓͳ͘ͳΔͷ͔ϝϞϦ֬อͷ͘͠ΈϕετϓϥΫςΟε·ͱΊ
Έͳ͞Μɼૺ۰ͨ͜͠ͱ͋Γ·͔͢
"MMPXFENFNPSZTJ[FPG 999CZUFTFYIBVTUFE
Έͳ͞Μࢥ͍ු͔ͨͣͰ͢
ϝϞϦ͕Γͳ͍ͳΒ ૿͍͍ͤ͡Όͳ͍͔
[email protected] [email protected]
ͦ͜Ͱɼٙʹࢥͬͨํଟ͍Ͱ͠ΐ͏
ʮͳͥɼ1)1ϝϞϦ͕ Γͳ͘ͳΔͷ͔ʯ
ཧ༝୯७໌շͰ͢
ͦΕɼϝϞϦΛ͍ͬͯΔ͔ΒͰ͢
ྫ͑͜͏͍ͬͨίʔυ ݟͨ͜ͱ͋Γ·͔͢ʁ
͜Ε࣮ɼΊͪΌͪ͘ΌϝϞϦ͍·͢
࣮ࡍʹࢼͯ͠Έ·͠ΐ͏
ͪͳΈʹɼ࣍ͷίʔυ ϝϞϦΛΊͬͪΌ͍·͢
ʮ͡Ό͊ɼͲ͏ͨ͠Β͍͍ͷʜͦΕҎ֎ʹํ๏͋Δͷʜʁʯ
ʮͦͦ1)1ͰϝϞϦͳΜͯ ؾʹͯ͠ॻ͍ͨ͜ͱͳ͍Αʯ
ʮ1)1͕ϝϞϦΛѻ͏ΈͳΜͯ Βͳ͍Αʯ
"MMPXFENFNPSZTJ[FPGͳΜͯ ͏ා͘ͳ͍ʜͱࢥͬͯΒ͑Δͷ͕ ຊͷΰʔϧͰ͢
ͦͷલʹͳͥϝϞϦ͕Γͳ͘ͳΔͷ͔ ղઆ͍͖ͯ͠·͢
ϝϞϦͳͥΓͳ͘ͳΔͷ͔
ͦͦϝϞϦͬͯԿʁ
@2020 Torana, Inc.ͦͦϝϞϦͬͯԿʁ తʹݴͬͯ͠·͑ɼσʔλΛҰ࣌తʹه͢Δͱ͜ΖͰ͢ ʢ˞ࢲͷϋϯυϧωʔϜͱ͕ؔ͋Γ·ͤΜʂʣ شൃੑϝϞϦʢ͍ΘΏΔ3".ʣෆشൃੑϝϞϦͳͲ͋Γ·͢Ͷɻ ༻్ʹΑ͚ͬͯΒΕ·͢ɻใܥͷֶ෦ग़ͷਓɼߨٛͰ ݏʹͳΔ͘Β͍ɼͬͨΜ͡Όͳ͍͔ͳͱࢥ͍·͢ɻ ओهԱஔͱͯ͠ΘΕΔͷେ͕3".Ͱ͢ɻ
@2020 Torana, Inc.ͦͦϝϞϦͬͯԿʁ ྫ͑"84ͷΠϯελϯεΛબͿͱ͖ʹϝϞϦͷ߲ SMBSHFͳͲ͕͋Δ͔ͳͱࢥ͍·͕͢ɼͦΕͰ͢ɻ ͨͩɼଞͷιϑτΣΞͳͲͰϝϞϦΛ༻͍ͯ͠ΔͨΊɼࢦఆͨ͠ϝϞϦ͕શͯ͑ΔͱݶΓ·ͤΜ ͕ͨͬͯ͠1)1Ͱ[email protected] [email protected] (ͳͲͱ҆ʹ ࢦఆ͢ΔͷϕετϓϥΫςΟεͱݴ͑·ͤΜɻ
ϝϞϦ֬อͷ͘͠Έ
1)1ͷϝϞϦ
@2020 Torana, Inc.1)1ͷϝϞϦ 1)1ىಈ࣌ʹ.Ҏ্ͷϝϞϦΛͦͦ༻͍ͯ͠·͢ɻ ྫ͑ɼ1)1ͷ࣮ߦͰ[email protected],SAͱ͢Δͱɼ1)1ͦͷͷ͕࣮ߦͰ͖ͳ͍ࣄ͕Θ͔Γ·͢ɻ
@2020 Torana, Inc.1)1ͷϝϞϦ ͦͦىಈ͚ͩʹ.ఔ༻͍ͯ͠Δͷͳ͔ͥɻ [email protected]ͷઃఆʹ͍ͭͯIUUQTHJUIVCDPNQIQQIQTSDCMPCGDDFBEDBFEFNBJONBJOD-ͷTUBUJD1)[email protected]*/*@.) 0O$IBOHF.FNPSZ-JNJUͰߦΘΕ͍ͯ·͢ɻ ࠷ऴతʹ;FOE.FNPSZ.BOBHFS͕ݺͼग़͞Εͯɼॲཧ͞Ε͍ͯ·͢ɻ
@2020 Torana, Inc.1)1ͷϝϞϦ ͦͦىಈ͚ͩʹ.ఔ༻͍ͯ͠Δͷͳ͔ͥɻ [[email protected]ͷIUUQTHJUIVCDPNQIQQIQTSDCMPCCECGCEFDDBC;FOE[[email protected]Ͱ͋Δ[[email protected]@[email protected]Ͱ͢ɻ
@2020 Torana, Inc.1)1ͷϝϞϦ ͦͦىಈ͚ͩʹ.ఔ༻͍ͯ͠Δͷͳ͔ͥɻ DPOfiHVSFEJTBCMFBMMͰϏϧυ࣌ʹશͯͷϞδϡʔϧΛແޮԽʹͯ͠ɼಛஈϝϞϦ༻ྔ͕ݮΔ͜ͱ͋Γ·ͤΜɻ ৗʹ όΠτ .ɹ͕ফඅ͞Ε͍ͯΔ͜ͱ͕Θ͔Γ·͢ɻ6CVOUVPO%PDLFSͷ߹ ͜Ε[[email protected]@TJ[FTIͷ;&/%@[email protected]$)6/,@4*;&͕.#ͱͳ͍ͬͯΔ͔ΒͰ͢
@2020 Torana, Inc.1)1ͷϝϞϦ ͦͦىಈ͚ͩʹ.ఔ༻͍ͯ͠Δͷͳ͔ͥɻ ࢀরIUUQTHJUIVCDPNQIQQIQTSDCMPCBECDEFEEBEFFE;FOE[[email protected]@TJ[FTI- ͜͜ͷΛϏϧυ࣌ʹ.#ʹมߋͯ͠ΈΔͱͲ͏Ͱ͠ΐ͏͔ɻ͜ͷΑ͏ʹ 4MB ඞཁʹͳΔ͜ͱ͕Θ͔Γ·͢
@2020 Torana, Inc.1)1ͷϝϞϦ ͦͦىಈ͚ͩʹ.ఔ༻͍ͯ͠Δͷͳ͔ͥɻ ͳ͓ɼϝϞϦͷ༻ྔ;&/%@[email protected]$)6/,@4*;&ͷ νϟϯΫαΠζ͕ࢀর͞Ε·͢ ͕ͨͬͯ͠ɼ͜ͷͷഒΛ[email protected]ʹઃఆ͢Δ΄͏͕ɼޮྑ͍ͱ͍͏͜ͱ͕Θ͔Γ·͢ɻ σϑΥϧτ.#Ͱ͢ͷͰ.#ͷഒͷΛઃఆ͠·͠ΐ͏
@2020 Torana, Inc.1)1ͷϝϞϦ ͦͦىಈ͚ͩʹ.ఔ༻͍ͯ͠Δͷͳ͔ͥɻ ;FOE.FNPSZ.BOBHFSΛ༻͠ͳ͍߹ɼڥมʹ64&@;&/%@"--0$Λઃఆ͢Δ͜ͱͰɼNBMMPDͳͲ͕γεςϜ͕ఏڙ͢ΔͷΛ༻͢ΔΑ͏ʹͳΓ·͢ɻUSE_ZEND_ALLOC=0 Λࢦఆ͢ΔͱΤϥʔ͕Ͱͳ͘ͳΔ͜ͱ͕Θ͔Δ
@2020 Torana, Inc.1)1ͷϝϞϦ [email protected]@[email protected]@[email protected]ͷʹ͍ͭͯ [email protected]@[email protected]@[email protected]USVFΛୈҾʹࢦఆͨ͠߹ɼ ;&/%@[email protected]$)6/,@4*;&ϕʔεʹͳΔɻʢͭ·Γ࣮ࡍʹ"MMPDBUF͞ΕͨϝϞϦফඅྔʣ ;FOE.FNPSZ.BOBHFS͕ͲΕ΄Ͳ࣮ࡍʹ"MMPDBUF͍ͯ͠Δ͔Λ Γ͍ͨ߹ ͦͷதͷϝϞϦফඅྔΛಘ͍ͨ߹ୈҾʹಛஈࢦఆ͠ͳ͍΄͏͕ྑ͍ɻ ྫ͑ಛఆͷൣғͷॲཧͰϝϞϦͷফඅྔΛΓ͍ͨਓ͚
@2020 Torana, Inc.1)1ͷϝϞϦ [email protected]@[email protected]@[email protected]ͷʹ͍ͭͯ ୈҾʹUSVFΛͨ͠߹ʹมԽͳ͠
@2020 Torana, Inc.1)1ͷϝϞϦ [email protected]@[email protected]@[email protected]ͷʹ͍ͭͯ ୈҾʹUSVFΛ͞ͳ͔ͬͨ߹͕มΘΔ
@2020 Torana, Inc.1)1ͷϝϞϦ [email protected]@[email protected]@[email protected]ͷʹ͍ͭͯ ͜ΕΒͷ;FOE.FNPSZ.BOBHFS͕ϕʔεͱͳ͍ͬͯΔͨΊ 64&@;&/%@"--0$ͱͨ͠߹ৗʹ͕ฦΓ·͢ɻ ·ͨɼ͜Ε1)1͕ϓϩηεͱͯ͠༻͍ͯ͠ΔϝϞϦফඅྔͰͳ͍ʢ;FOE.FNPSZ.BOBHFS্Ͱ͋ΔͨΊʣͨΊϓϩηεͦͷͷ͕༻͍ͯ͠ΔϝϞϦফඅྔΛΓ͍ͨ߹ɼҟͳΔखஈ͕ඞཁͰ͢ɻ ͨͩ͠ɼ64&@;&/%@"--0$ɼϝϞϦϦʔΫݕग़࣌Ҏ֎ʹ͏͖ͷͰͳ͍ͱ1)1ϚχϡΞϧʹهࡌ͞Ε͍ͯ·͢ɻ ࢀরIUUQQIQBEBNIBSWFZOBNFNBOVBMKBJOUFSOBMTNFNPSZNBOBHFNFOUQIQ
@2020 Torana, Inc.1)1ͷϝϞϦ [email protected]@[email protected]@[email protected]ͷʹ͍ͭͯ ԼهͰऔಘͰ͖·͢ɻ 744 TZTUFN QTVQHFUNZQJE cHSFQQIQcBXL\QSJOU^ 344 TZTUFN QTVQHFUNZQJE cHSFQQIQcBXL\QSJOU^
༨ஊ
@2020 Torana, Inc.༨ஊ ଞʹૹΒΕͯ͘Δ1045ͷαΠζΛܾఆ͢Δ[email protected]@TJ[FͳͲ͕͋Γ·͢ɻ ͜ΕҰ࣌ϑΝΠϧͱͯ͠࡞͞ΕΔͨΊɼ [email protected]@[email protected][FͰ͋Δඞཁ͋Γ·ͤΜɻ [email protected]@[email protected][F.4ͰϏϧτΠϯαʔόʔΛىಈ͠ɼ࣮ࡍʹ.ΑΓ େ͖͍ϑΝΠϧΛૹ৴ͯ͠ɼͳ͍͜ͱ͕֬ೝͰ͖·͢ ͨͩ͠ɼ4"1*@[email protected]#-0$,@4*;& σϑΥϧτ CZUFTͷϝϞϦʢ;FOE.FNPSZ.BOBHFSͷ֎Ͱʣ༻͞Ε·͢ɻ
@2020 Torana, Inc.༨ஊ ଞʹૹΒΕͯ͘Δ1045ͷαΠζΛܾఆ͢Δ[email protected]@TJ[FͳͲ͕͋Γ·͢ɻ ͭ·Γ[email protected]@TJ[Fαʔόʔ͕Ұ࣌ϑΝΠϧΛ࡞Ͱ͖Δ༰ྔʹΑܾͬͯఆ͖͢Ͱ͋Δͱݴ͑·͢ɻ ొஃ༰͔ΒҳΕΔͷͰৄࡉׂѪ͠·͕͢ɼҰ࣌ϑΝΠϧɼΦʔϓϯՄೳͳϑΝΠϧͳͲΛߟྀͨ͠ͱ͖ʹɼ Χʔωϧύϥϝʔλͷௐ͕ඞཁʹͳΔՄೳੑ͋Γ͑·͢ɻ
@2020 Torana, Inc.༨ஊ ಉ༷ʹΞοϓϩʔυ͢ΔϑΝΠϧͷ੍ݶΛ͢Δ[email protected]@fiMFTJ[F͋Γ·͢ɻ ͜Ε[email protected]@TJ[[email protected]@fiMFTJ[FͰ͋Δඞཁ͕͋Γ·͢ɻ[email protected]@TJ[F͕શମͷ1045ͷαΠζΛࢦఆ͢Δͷʹରͯ͠ɼ[email protected]@fiMFTJ[F1045ͷதͷૹ৴͞ΕͨNVMUJQBSUΛࢀর͢ΔͨΊͰ͢ɻ ͳ͓ɼ͜ΕϑΝΠϧ͋ͨΓͰͳ͘ɼશͯͷϑΝΠϧͷ αΠζͷ߹ܭͰ͢
1)1ͷϝϞϦͱมͷؔ
@2020 Torana, Inc.1)1ͷϝϞϦͱมͷؔ มʹೖΔɼͦͷ··ఆ͕ͨ͠ೖΔΘ͚Ͱͳ͍ 1)1ͷม$P8ʢ$PQZPO8SJUFʣͰ͋Δ ྫ͑ҎԼͷίʔυΛظ͢Δ͕ɼ࣮ࡍͰग़ྗ͞ΕΔɻ
@2020 Torana, Inc.1)1ͷϝϞϦͱมͷؔ มʹೖΔɼͦͷ··ఆ͕ͨ͠ೖΔΘ͚Ͱͳ͍ ͔͠͠ɼҎԼͷΑ͏ʹίʔυΛॻ͖͑ͨ߹ɼ ͷϝϞϦফඅྔ͕͋Δ͜ͱ͕Θ͔Γ·͢ ͭ·ΓɼΘΕ͍ͯͳ͍มͰɼϝϞϦফඅ͞ΕΔͱ͍͏͜ͱͰ͢
@2020 Torana, Inc.1)1ͷϝϞϦͱมͷؔ มʹೖΔɼͦͷ··ఆ͕ͨ͠ೖΔΘ͚Ͱͳ͍ ϓϦϛςΟϒͳΛࢦఆ͢Δ߹ͱɼؔݺͼग़͕͋͠Δ߹Ͱ·ͬͨͬͯ͘ҧ͏ͱ͍͏͜ͱ͕Θ͔Γ·͢ɻ ྫ͑͜ΕΛJOUܕBSSBZܕͷʹஔ͖͑ͨΒͱग़ྗ͞ΕΔ͜ͱ͕Θ͔Γ·͢ɻͪͳΈʹ[email protected]@[email protected]Ͱಉ༷Ͱ͢ɻ ͭ·Γɼؔݺͼग़͠߇͑ͯɼϓϦϛςΟϒܕͰͳΔ͘ॲཧ͢Δ΄͏͕;FOE.FNPSZ.BOBHFS্ͷϝϞϦ༻ޮԼ͕Δͱݴ͑·͢
@2020 Torana, Inc.1)1ͷϝϞϦͱมͷؔ มʹೖΔɼͦͷ··ఆ͕ͨ͠ೖΔΘ͚Ͱͳ͍ ͱ͍͑ɼϓϦϛςΟϒܕͷϝϞϦফඅྔ͕θϩ͔ͱ͍͏ͱͦ͏Ͱͳ͍ͷͰ͢ɻ ྫ͑ઌ΄ͲͷྫΛྻʹ͢ΔͱͲ͏ͳΔͰ͠ΐ͏͔ɻ
@2020 Torana, Inc.1)1ͷϝϞϦͱมͷؔ มʹೖΔɼͦͷ··ఆ͕ͨ͠ೖΔΘ͚Ͱͳ͍ ϝϞϦফඅྔ CZUFTͱͳΓɼCZUFT૿͑Δ͜ͱ͕Θ͔Γ·͢ɻ ࣍ݩྻɼ࣍ݩྻͱ૿͍ͯ͘͠ͱɼϝϞϦফඅྔ͕૿͍͖͑ͯ·͢ ྻʹ͢Δ͚ͩͰ༻ྔ͕มΘΔͱ͍͏͜ͱ͕Θ͔Γ·͢ɻ จࣈྻܕྻܕͳͲ͕Ͳͷ͘Β͍ϝϞϦΛ͏͔ʹ͍ͭͯ [[email protected]ʹهࡌ͞Ε͍ͯ·͢
@2020 Torana, Inc.1)1ͷϝϞϦͱมͷؔ มʹೖΔɼͦͷ··ఆ͕ͨ͠ೖΔΘ͚Ͱͳ͍ ܕͷ߹[[email protected]Ͱཧจࣈྻͷ߹ྻͷ߹
@2020 Torana, Inc.1)1ͷϝϞϦͱมͷؔ มʹೖΔɼͦͷ··ఆ͕ͨ͠ೖΔΘ͚Ͱͳ͍ ·ͨɼJOUܕTUSJOHܕͩͬͨΒৗʹ͔ͱ͍͏ͱɼͦ͏͍͏Θ͚Ͱ͋Γ·ͤΜɻ ӈਤͷΑ͏ʹจࣈྻΛ.#ॻ͖ग़ͨ͠ ϑΝΠϧΛ࡞͠ɼ࣮ࡍʹ࣮ߦ͢Δͱ ҎԼͷΑ͏ʹΤϥʔ͕ग़·͢
($ͱऑࢀরʢ8FBLSFGʣ
@2020 Torana, Inc.($ͱऑࢀরʢ8FBLSFGʣ ($ (BSCBHF$PMMFDUJPO ΨϕʔδίϨΫγϣϯɼҰఆͷ݅Λຬͨͨ͠߹ʹɼมͷϝϞϦղ์Λߦ͏ͷͰ͢ ؆ܿʹݴ͑1)1ʹSFGDPVOUͱݺΕΔͷ͕͋Γɼ͜ͷΛ༻͍ͯɼ($ͷରͰ͋Δ͔Ͳ͏͔Λఆ͍ͯ͠·͢ ࢀরIUUQTXXXQIQOFUNBOVBMKBGFBUVSFTHDSFGDPVOUJOHCBTJDTQIQ
@2020 Torana, Inc.($ͱऑࢀরʢ8FBLSFGʣ ಛʹʹͳΓ͍͢ͷ॥ࢀরͰ͢ɻ ॥ࢀরͱɼ"ͱ#ͷΦϒδΣΫτม͕͋ͬͨͱ͖ʹɼ"͕#Λɼ#͕"Λࢀরʢ˺ґଘʣ͢Δঢ়ଶΛࢦ͠ɼϝϞϦ͕֬อ͞Εͨ··ʹͳΓɼ࠷ऴతʹϝϞϦϦʔΫͱͳͬͯ͠·͏ͷͰ͢ɻ ॥ࢀর͕ൃੜ͢Δͱ($͕Δ·ͰɼϝϞϦ͕ফඅ͞Εͯ͠·͍·͢ɻ ͕ͨͬͯ͠ɼͦͦ॥ࢀরʹͳΒͳ͍Α͏ͳΞʔΩςΫνϟΛ ਪ͠·͢
@2020 Torana, Inc.($ͱऑࢀরʢ8FBLSFGʣ ಛʹʹͳΓ͍͢ͷ॥ࢀরͰ͢ɻ ($͕Βͳ͍߹ɼҎԼͷΑ͏ʹ"MMPXFENFNPSZTJ[FPG͕ग़ྗ͞Ε·͢ɻ
@2020 Torana, Inc.($ͱऑࢀরʢ8FBLSFGʣ ಛʹʹͳΓ͍͢ͷ॥ࢀরͰ͢ɻ ҰํͰखಈͰ[email protected]@DZDMFTΛ࣮ߦʢFDIPDZDMFਅԼʹՃʣͨ͠߹ɼӈਤͷΑ͏ʹ࠷ޙ·Ͱ࣮ߦ͞ΕΔ͜ͱ͕Θ͔Γ·͢ɻ
@2020 Torana, Inc.($ͱऑࢀরʢ8FBLSFGʣ ಛʹʹͳΓ͍͢ͷ॥ࢀরͰ͢ɻ SFGDPVOU͕૿͍͑ͯͨ͘Ίɼ($ΛखಈͰൃಈ͠ͳ͍ͱϝϞϦղ์͕ߦΘΕͳ͍͜ͱ͕Θ͔Γ·ͨ͠ɻ ͱ͍͑ɼ1)1্ͰҙͷλΠϛϯάͰ($ΛΒͤΔͷਓྨʹ·ͩૣ͍ͨΊɼऑࢀরΛ༻͢Δ͜ͱͰɼ॥ࢀরͷΛղܾͰ͖·͢
ϕετϓϥΫςΟε
ࠓ·ͰͷલఏࣝΛ౿·͑ͯʜ
ϝϞϦফඅྔΛݮ͢Δʹ
@2020 Torana, Inc.ϝϞϦফඅྔΛݮ͢Δʹ ઌ΄Ͳͷষ͔Βɼ.#୯ҐͰߟྀͨ͠΄͏͕ྑ͍ͱ͍͏͜ͱΛड़·ͨ͠ ·ͨɼมʹΛࡌͤ͗ͯ͢͠·͏ͱ"MMPXFENFNPSZTJ[FPG͕ग़Δ͜ͱΘ͔Γ·ͨ͠ ͕ͨͬͯ͠ɼ͏·͘όοϑΝεϫοϓΛ༻ͯ͠ϝϞϦফඅྔΛݮ্ͯ͛͠Δඞཁ͕͋Γ·͢
[email protected]ͷͷ ϕετϓϥΫςΟε
@2020 Torana, Inc.[email protected]ͷͷϕετϓϥΫςΟε /ʢ/ࣗવʣ.#Λߟྀͯ͠[email protected]ઃఆΛ͠·͠ΐ͏ɻ ͦͦ[email protected]ͷԼݶ.# ;&/%@[email protected]$)6/,@4*;&ʹΑΔͳͷͰɼϝϞϦফඅྔ.#ҎͰॲཧ͕ॻ͚Δͱϕετ ͜Ε[email protected]ͷσϑΥϧτ.#Ͱ͋ͬͯɼॳճͷղ์͞ΕΔ͕.#ͱ͍͏͜ͱͰ͢ɻ ྫ͑"84Λ༻͍ͯ͠ΔํͰDMBSHFΛબఆ͍ͯ͠Δ߹ϝϞϦ(#ͱͳΔͷͰɼQIQGQNͳͲͷଞϓϩηεͷϝϞϦ༻ྔՃຯ্ͨ͠Ͱ ./ / /ࣗવͳͲͱݟੵΔͱྑ͍Ͱ͢
[email protected]Ҏ্ʹ େ͖͍จࣈྻΛѻ͍͍ͨ߹
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@2020 Torana, Inc.2M ʹมߋ͢ΔͱϝϞϦෆͰ Allowed memory size of ... ͕ग़ྗ͞ΕΔ
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