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ϑϨʔϜϫʔΫ 143ͱ %*ͱ

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1)1JT

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8FCϑϨʔϜϫʔΫ ଟ͗͢ݴޠ

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'"2 ʮͲΕ͕ྑ͍Ͱ͔͢ ʯ

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ओͳϑϧελοΫ'8 ػೳൺֱ

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4ZNGPOZ $BLF1)1 -BSBWFM :JJ $PEF*HOJUFS 3PVUJOH P P P P P %BUBCBTF P P P P P 03. P P P P $BDIF P P P P P 7JFXIFMQFST P P P P P 'PSNWBMJEBUJPO P P P P P -PHHJOH P P P P P $43'QSPUFDUJPO P P P P P 5FTUTVQQPSU P P P P P %FCVH6* P P P P *:3rd party

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͍͍͓ͩͨΜͳ͡΍Μ ·͢·͢Θ͔ΒΜ

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ྺ࢙

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1)1 1)1 1)1 ;FOE'SBNFXPSL 4ZNGPOZ $BLF1)1 $PEF*HOJUFS -BSBWFM 4QSJOH 3VCZPO3BJMT ʙ :JJ

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4QSJOH΍3BJMT͔Β ΍΍஗Εͨఔ౓ +BWB3VCZͷӨڹΛड͚ͯͷ஀ੜͳͷͰ

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͜Ε͚ͩͷ௕ظؒ ࢥ૝͕౫ଡ͞Εͣ ࢖͍ଓ͚ΒΕ͍ͯΔ ͱ͍͏͜ͱ͸

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1)1ͷ'8ɺຊ࣭తʹ ͦΕͧΕҧ͏໾໨Λ ࣋ͭͷͰ͸

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8FCϑϨʔϜϫʔΫ ଟ͗͢ݴޠJO ͳͷͰจԽత ֶͼͷଟ͍

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͍·ɺҎདྷͷ 1)1ϑϨʔϜϫʔΫ ܹಈͷ࣌୅͔ 143ొ৔

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ύωϥʔ঺հ

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143

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1)1 4UBOEBSET 3FDPNNFOEBUJPO 1)1ඪ४ͷਪ঑ࣄ߲

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1)1'SBNFXPSL *OUFSPQFSBCJMJUZ(SPVQ 1)1ϑϨʔϜϫʔΫ૬ޓӡ༻άϧʔϓ 1)1'*( ֤ϑϨʔϜϫʔΫؒͰڞ௨ͷ͖·ΓΛઃ͚Α͏ ಛఆϑϨʔϜϫʔΫઐ༻ͷϥΠϒϥϦ͸࢖͍ʹ͍͘ ࢖༻தͷϑϨʔϜϫʔΫ͕ϥΠϒϥϦͷઃܭͱ߹Θͳ͍ ͦ͏͍͏ͷ΍ΊΑ͏

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ίʔσΟϯάن໿143 w 143143Ϋϥεͷ໋໊ͱ഑ஔ w 143143143 ESBGU ίʔσΟϯάελΠϧ w 143 ESBGU EPDίϝϯτ

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ΠϯλʔϑΣʔε143 w 143ϩΨʔΠϯλʔϑΣʔε w 143143ΩϟογϯάΠϯλʔϑΣʔε w 143)551ϝοηʔδΠϯλʔϑΣʔε w 143ϋΠύʔϦϯΫΠϯλʔϑΣʔε w ͦͷଞESBGUෳ਺

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/PX*O3FWJFX

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143 $POUBJOFS*OUFSGBDF ίϯςφɾΠϯλʔϑΣʔε

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%# -PH 4FDVSJUZ αʔϏε ϑϨʔϜϫʔΫͷΠϝʔδ ࣮૷

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$logger = new SuperFlexibleLogger(); $logTarget = new FileLogTarget('/var/log/myapp.log'); $logTarget->setLevel(INFO | WARNING | ERROR); $logger->addTarget($logTarget); $logger->error('...'); ͱ͋ΔϩΪϯάϥΠϒϥϦΛ࢖͍͍ͨͱࢥͬͨ৔߹

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$logger = new SuperFlexibleLogger(); $logTarget = new FileLogTarget('/var/log/myapp.log'); $logTarget->setLevel(INFO | WARNING | ERROR); $logger->addTarget($logTarget); $logger->error('...'); ͱ͋ΔϩΪϯάϥΠϒϥϦΛ࢖͍͍ͨͱࢥͬͨ৔߹ ຖճίϐϖ΍Ίͯ

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$logger = $container->get('logger'); $logger->error('...'); ઃఆࡁΈͷϩΨʔΛԿ͔ʹอ࣋ͤ͞ αʔϏεͱͯ͠࠶ར༻ Log::error('...'); ͨͿΜ͜Ε΋தͰಉ͜͡ͱͯ͠·͢Ͷ

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function doSomething(LoggerInterface $logger) { // ... $logger->error('...'); } ͞Βʹɺ࠾༻ͨ͠ϥΠϒϥϦ͕ 143ʹ४ڌ͍ͯ͠Ε͹ ࣮૷ϥΠϒϥϦΛ໰Θͣ࢖͍ํ͕ಉ͡ ͜ͷΠϯλʔϑΣʔεͷൣғͰ࢖͏͔͗Γ

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$container->get('service'); $container->has('service'); 143 ͦ͏ͩɺαʔϏεࣗମ͚ͩͰͳ͘ ͦͷೖΕ෺ʹ΋ඪ४ΠϯλʔϑΣʔεΛ

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ϑϨʔϜϫʔΫ࡞ऀ ϥΠϒϥϦ࡞ऀ ΞϓϦέʔγϣϯ։ൃऀ PSRs with PSR-11

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ͱ͜Ζ͕

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1.3 Recommended usage Users SHOULD NOT pass a container into an object so that the object can retrieve its own dependencies. This means the container is used as a Service Locator which is a pattern that is generally discouraged.

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ίϯςφࣗମΛର৅ΦϒδΣΫτʹ౉ͯ͠ɺࣗྗ Ͱίϯςφ͔ΒґଘΛऔΓग़ͤ͞ΔΑ͏ͳ࢖͍ํ ͸4)06-%/05ͩͥɻ ίϯςφΛ͋ͷʮͩΊͩ͜ΓΌʯ͋Δ͋Δͳʮαʔ Ϗεϩέʔλʔʯͱͯ͠࢖ͬͪΌ͏͔Βͳɻ ҙ༁

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$logger = $this->container->get('logger'); $logger->error('...'); 4)06-%/05 function setContainer( ContainerInterface $container )

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4)06-%/05 app()->get('logger'); TheApp::$app->get('logger'); Log::error('...'); ʮ͓લ΋Ͳ͏ͤ4)06-%/05ͳԿ͔Ͱ࡞ΒΕͱΔ΍Ζʯ ʮάϩʔόϧͳΒͬͯ༨ܭ͔͋ΜΘʯ

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%# -PH 4FDVSJUZ ίϯςφ ͲΕͰ΋޷͖ͳͷ࢖͍์୊ͩͥ ΍ͬͨશ෦΋Βͬͨ ʮͩΊͩ͜ΓΌʯͰ༗໊ͳ αʔϏεϩέʔλʔ͞Μͱ͸

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·͞ʹάϩʔόϧؔ਺ ϑϦʔμϜϫʔϧυ ͦ͜Ͱ

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ґଘੑ஫ೖ %FQFOEFODZ *OKFDUJPO %*

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class Foo { protected $logger; public function setLogger(LoggerInterface $logger) { $this->logger = $logger; } public function bar() { $this->logger->error('...'); } } ʮऔΓʹߦ͔ͳ͍ʯ ʮ༩͑ͯ΋Β͏ʯ

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$container->set('foo', function () use ($container) { $object = new Foo(); $object->setLogger($container->get('logger')); return $object; }); class Foo { public function setLogger(LoggerInterface $logger) public function bar() } ੜ੒ ࢖༻ ෼཭ ˞͜Ε͸ઃఆϑΝΠϧ಺ͳͷͰػೳ࣮૷Ͱ͸͋Γ·ͤΜ

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$response = $container->get('applicationRoot') ->handle($request); JOEFYQIQ ґଘੑ஫ೖͷνΣʔϯͰػೳΛߏ੒͢Δͱ ڀۃɺαʔϏεऔಘͱ࢖༻͕ ಉ࣌ʹى͖Δͷ͕ՕॴʹͳΔ

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%# -PH 4FDVSJUZ ίϯςφ %*ίϯςφͷੈք -PHͱ4FDVSJUZΛࠩ͠ࠐΊ͹ ಈ͘෦඼ͷઃܭਤͩΑ DMBTT DMBTT JOEFYQIQ

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༩͑ͨ΋ͷ͔͠ઈରʹ࢖Θͳ͍ ୭͕͍ͭԿΛ࢖͏͔Θ͔Βͳ͍ ҆৺ͳͷͰ

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class FooTest extends TestCase { protected $foo; protected function setUp() { $this->foo = new Foo(); $this->foo->setLogger(new NullLogger()); } } ʮ७ਮʯͳ୯ମςετՄೳ ґଘʹμϛʔΛೖΕ͓͚ͯ͹0, ςετର৅ΦϒδΣΫτ͸ ίϯςφʹԿ΋औΓʹߦ͔ͳ͍ ʮ୯ମʯςετʹʮίϯςφηοτΞοϓʯ͕ඞཁʹͳΔ͋ͷҧ࿨ײͷղফ

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७ਮͳ୯ମςετ ˠςετϑΝʔετ͕؆୯ʹ ίϯςφ ? 1)16OJU

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ૄ݁߹ສࡀ ςετۦಈ։ൃສࡀ Ͱ͔͢

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͋ͳ͕ͨཉ͍͠ͷ͸ɺ ػೳϑϨʔϜϫʔΫͷઃܭϑϨʔϜϫʔΫͰ͔͢ ͦΕͱ΋ɺ͍·͙͢࢖͑ΔઃܭࡁΈͷࠎ૊ΈͰ͔͢

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TDB⒎PME DPOpHVSBUJPO ػೳϑϨʔϜϫʔΫͷ ઃܭϑϨʔϜϫʔΫ ͍·͙͢࢖͑Δ ઃܭࡁΈͷࠎ૊Έ

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1)1JTΦϒδΣΫτ ࢦ޲ݴޠ

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1)1JTBMTPކݴޠ

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ΞϓϦέʔγϣϯ ςετࡁΈ044 ϢʔβʔϥΠϒϥϦ ކΛΘ͖·͑ͨബ͞Ͱ ΞϓϦέʔγϣϯ͕ॻ͚ΔͳΒ ͜Ε͚ͩςετͰ͖ͯΕ͹ ͜ͷྔͰີ݁߹ͷԿ͕ѱ͍ UFTUFE

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ߏ੒PSද૚ ຊ࣭తͳ࢖༻໨తͷ͕͍ͪ ͋ΒΏΔධՁ࣠Ͱɺ͜ͷΑ͏ͳ ରൺ͕੒ΓཱͭͷͰ͸

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'"2 ʮͲΕ͕ྑ͍Ͱ͔͢ ʯ

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"ຊ࣭ΛݟۃΊ ৗʹରൺ͢΂͠

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ͻͱͭͷݴޠɺଟ༷ͳࢥ૝ 1)1JT ֶͼͷଟ͍ݴޠ