PHPのmiddlewareを使いこなすために

1)1ͷNJEEMFXBSFΛ ࢖͍͜ͳͨ͢Ίʹ 1)1ΧϯϑΝϨϯεઋ୆   ߹ಉձࣾςϯϚυɹࢁԬ޿޾

ࣗݾ঺հ ࢁԬ޿޾!IJSP@Z 1)1ͱ͔/PEFKTͷΤϯδχΞ 1)1͸ͷ͜Ζ͔Β ߹ಉձࣾςϯϚυ୅දࣾһ

ɹɹ߹ಉձࣾςϯϚυ!! Ϗδωεࢧԉࣄۀ ࣾ֎$50ͱ͔ΞυόΠβʔ *OOPWBUPS+BQBO64&/.FEJBͳͲ αʔϏε։ൃࣄۀ
JSVDBNJNFNPDPOBTV

ࠓճͷ͓࿩ͷΰʔϧ NJEEMFXBSFͱ͍͏ߟ͑ํ͕Θ͔Δ ฉ͍ͨͱ͖ʹΠϝʔδ͕ු͔Ϳ ར༻γʔϯ͕૝૾Ͱ͖Δ ϑϨʔϜϫʔΫͰ࢖͑Δ͔Θ͔Δ

͓࿩Λ࢝ΊΔલʹ

લճ·Ͱͷ͋Β͢͡ 1)1ΧϯϑΝϨϯεؔ੢ 4MJN'SBNFXPSLͰ࢝ΊΔ1)1ͷ NJEEMFXBSF 1)1ΧϯϑΝϨϯε 1)1'*(ͷ)551ॲཧඪ४ͷઃܭ
͸ͳͥ143ʹͳͬͨͷ͔

Ͱ͸ɺ͋ΒͨΊͯ

XFCΞϓϦͱ͸ ϦΫΤετΛड͚औΓʢೖྗʣ ͍Ζ͍ΖॲཧΛͯ͠ ೝূͱ͔%#ͷॲཧͱ͔ ϨεϙϯεΛฦ͢ʢग़ྗʣ

؆୯ʹඳ͘ͱ͜͏

XFCΞϓϦͷલॲཧ શϦΫΤετڞ௨Ͱ͍ͨ͠ॲཧ ϩάΠϯೝূ %#͔ΒͷσʔλऔಘɹͳͲ ΞϓϦέʔγϣϯຊମͷલʹ  ॲཧΛڬΊΔΑ͏ʹ͢Ε͹Α͍ͷͰ͸

ϑΟϧλʔʢલॲཧʣ

XFCΞϓϦͷޙॲཧ શϦΫΤετڞ௨ͷॲཧɺ·ͩ͋Δ ϩάग़ྗ ॲཧޙʹ·ͱΊͯϝʔϧૹ৴ ΞϓϦέʔγϣϯຊମͷޙʹ΋  ॲཧΛڬΊΔΑ͏ʹͰ͖ΔͱΑͦ͞͏

ϑΟϧλʔʢޙॲཧʣ

ͯ͞ɺͪΐͬͱ ൃ૝Λస׵͢Δ࿩

ೖΕࢠߏ଄ ೖΕࢠࣜʹॲཧΛ  ͭͳ͍Ͱ͍͘࢓૊ΈΛߟ͑Δ ྫؔ਺"ͱؔ਺#Λ࣮૷͢Δ ؔ਺"͸ͦͷॲཧͷதͰؔ਺#Λ  ࣮ߦɺͦͷ݁ՌΛฦ͢Α͏ʹ͢Δ

1)1Ͱॻ͍ͯΈΔͱ $a = function (string $str, \Closure $next) : string
{ echo 'A'; // લॲཧΆ͍  $result = $next($str); // ࣍ΛݺͿ echo 'C'; // ޙॲཧΆ͍ return $result; };  $b = function (string $str) : string { echo 'B';  return strtoupper($str); };  $a('hoge', $b); // ABC

ೖΕࢠߏ଄

͞ΒʹೖΕࢠߏ଄

λϚωΪΈ͍ͨʁ QIPUPCZEBSXJO#FMMMJDFOTFEVOEFS$$#:   IUUQTXXXqJDLSDPNQIPUPTEBSXJOCFMM

ೖΕࢠߏ଄ͷಛ௃ ΞϓϦຊମΛแΉΑ͏ʹ࣮૷ ֎ଆ͔Β৽͍͠;Δ·͍Λ௥ՃͰ͖Δ ࢀߟ"01ʢΞεϖΫτࢦ޲ϓϩάϥϛϯάʣ ڞ௨ͷॲཧΛԣஅతʹݺͼग़͠
લॲཧɾޙॲཧΛࢦఆͰ͖Δ

XFCΞϓϦʹద༻

1)1ʹ͓͚Δྺ࢙

4UBDL1)1 IUUQTTUBDLQIQDPN l$PNQPTJOH)UUQ,FSOFM*OUFSGBDF NJEEMFXBSFTTJODFz l8IBUEPXFXBOU 3FVTFBUUIF XFCMBZFSz
4ZNGPOZͷ)UUQ,FSOFM*OUFSGBDF

4UBDL1)1

143ͱ͸ʁ IUUQTXXXQIQpHPSHQTS l1)14UBOEBSET3FDPNNFOEBUJPOTz ܾఆతͳʮඪ४ʯͰ͸ͳ͍ ͋͘·ͰΦεεϝɺקࠂ
ίϛϡχςΟʔͰ͸Өڹྗେ

Α͘ฉ͘143 143#BTJD$PEJOH4UBOEBSE 143$PEJOH4UZMF(VJEF 143-PHHFS*OUFSGBDF 143"VUPMPBEJOH4UBOEBSE

143 IUUQTXXXQIQpHPSHQTSQTS )551NFTTBHFJOUFSGBDFT 1TSa)UUQa.FTTBHFa3FRVFTU*OUFSGBDF 1TSa)UUQa.FTTBHFa3FTQPOTF*OUFSGBDF
XFCΞϓϦͷೖग़ྗͷඪ४Խ

143 IUUQTXXXQIQpHPSHQTSQTS )5514FSWFS3FRVFTU)BOEMFST 1TSa)UUQa4FSWFSa3FRVFTU)BOEMFS*OUFSGBDF 1TSa)UUQa4FSWFSa.JEEMFXBSF*OUFSGBDF
XFCΞϓϦͷඪ४Խ

ઌ΄Ͳͷਤ

143143

.JEEMFXBSF*OUFSGBDF interface MiddlewareInterface { public function process( ServerRequestInterface $request, RequestHandlerInterface
$handler ): ResponseInterface; }

3FRVFTU)BOEMFS interface RequestHandlerInterface { public function handle( ServerRequestInterface $request ):
ResponseInterface; }

࠷ۙͷ143ͷ࿩୊ IUUQTUXJUUFSDPNGBCQPUTUBUVT 3FNPWF4ZNGPOZCZGBCQPUu1VMM 3FRVFTUuQIQpHpHTUBOEBSET

ϑϨʔϜϫʔΫͱ NJEEMXBSFͷؔ܎

4MJN'SBNFXPSLW IUUQTXXXTMJNGSBNFXPSLDPN )5513PVUFS .JEEMFXBSF 1434VQQPSU
%FQFOEFODZ*OKFDUJPO 143

4MJN class ExampleMiddleware { public function __invoke( ServerRequestInterface $request,
ResponseInterface $response, callable $next ): ResponseInterface { return $next($request, $response); } }

4MJN'SBNFXPSLW IUUQTHJUIVCDPNTMJNQIQ4MJN CMPCY$)"/(&-0(NE 4MJNOPMPOHFSTIJQTXJUIB143 JNQMFNFOUBUJPO 1433FRVFTU)BOEMFSTDBOOPX CFVTFEBTSPVUFDBMMBCMFT

;FOE&YQSFTTJWF IUUQTEPDT[FOEGSBNFXPSLDPN [FOEFYQSFTTJWF 1431433PVUJOH143 ඪ४Λҙࣝ

-BSBWFM IUUQTMBSBWFMDPNEPDT NJEEMFXBSF 143ͷ࣮૷Ͱ͸ͳ͍ ैདྷͷDPOUSPMMFSͷิॿతͳ໾ׂ ڞ௨ॲཧΛ࣮૷͢ΔͨΊͷ࢓૊Έ

-BSBWFM class ExampleMiddleware { public function handle( \Illuminate\Http\Request $request,
\Closure $next ) { return $next($request); } }

4ZNGPOZ NJEEMFXBSFʹ૬౰͢Δػೳ͸ͳ͍ ػೳͱͯ͠͸ϑΟϧλʔ͕͋Δ IUUQTTZNGPOZDPNEPDDVSSFOU FWFOU@EJTQBUDIFS CFGPSF@BGUFS@pMUFSTIUNM

$BLF1)1 IUUQTCPPLDBLFQIQPSHFO DPOUSPMMFSTNJEEMFXBSFIUNM ͔Β143ʹରԠ $43'τʔΫϯνΣοΫͷ࣮૷ͳͲ͕ NJEEMFXBSFͰͳ͞Ε͍ͯΔ

$BLF1)1 class ExampleMiddleware { public function handle( ServerRequestInterface $request,
ResponseInterface $response, callable $next ): \Cake\Http\Response { return $next($request, $response); } }

ͯ͞ɺ·ͱΊ

ͪΐͬͱେ͛͞ͳ࿩

ͦ΋ͦ΋ϑϨʔϜϫʔΫͱ͸ ϦΫΤετΛड͚औΔ SPVUJOHΛݩʹߦ͏ॲཧΛબ୒͢Δ ॲཧΛݺͼग़͠ɺ࣮ߦ ݁ՌΛϨεϙϯεͱͯ͠ग़ྗ͢Δ

ϑϨʔϜϫʔΫ ࡞Εͦ͏͡Όͳ͍Ͱ͔͢ʁ

ϑϨʔϜϫʔΫϨγϐ 143ͷ࣮૷ʢ[FOEEJBDUPSPTͳͲʣ SPVUJOH࣮૷ʢ'BTU3PVUFͳͲʣ NJEEMFXBSFͷ࣮ߦʢ.JEEMFMBOEͳͲʣ ग़ྗʢ[FOEIUUQIBOEMFSSVOOFSͳͲʣ

࣮ྫ IUUQTMPHNJKQUFDIBSUJDMFT ϩάϛʔͷϦχϡʔΞϧ lࠓճͷϦχϡʔΞϧͰ͸͜ͷ143 Λར༻͢Δ͜ͱͰɺಛఆͷ8FCϑϨʔ ϜϫʔΫΛར༻ͤͣʹΞϓϦΛ࣮૷͢ Δ͜ͱʹ͠·ͨ͠z

ΦϨΦϨϑϨʔϜϫʔΫ ϑϨʔϜϫʔΫ؆୯ʹ࡞ΕΔ 143ʹ४ڌ͓͚ͯ͠͹ɺޙ͔Β;FOE &YQSFTTJWFͳͲʹ৐Γ׵͑Δ͜ͱ΋Մೳ ΋ͪΖΜɺٯ΋ બ୒ࢶͷҰͭͱͯ͠ɺ͋Γ͔΋

NJEEMFXBSF ͍͔͕Ͱ͔ͨ͠ʁ

·ͱΊ ॲཧΛNJEEMFXBSFͰ෼ׂ هड़͕؆ܿʹɺςετ༰қʹ 143Ͱඪ४Խ͞ΕΔ͜ͱͰࠩ͠ସ͑Մೳʹ %*ίϯςφͱͷ૊Έ߹Θͤ΋ศར
ίϯετϥΫλΠϯδΣΫγϣϯ

͋Γ͕ͱ͏͍͟͝·ͨ͠

PHPのmiddlewareを 使いこなすために

PHPのmiddlewareを 使いこなすために

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PHPのmiddlewareを使いこなすために

PHPのmiddlewareを使いこなすために