モダンPHPチュートリアル (LLまつり版)

by Yusuke Ando

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MMNBUTVSJ!ZBOEP Modern PHP Tutorial d1)1࣌୅ͷ஌ࣝΛࣺͯɺ1)1࣌୅΁d

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ZBOEP $BOEZ$BOFQIQ ʮ࠙਌ձϐβൃ஫ΞϓϦʯ

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1)1ରԠ1BB4 $IFGͰ"84Λࣗಈߏஙɺߋ৽ "84ͱಉ͡؀ڥΛ௿ίετʹ ࣌ؒ༗ਓ؂ࢹΦϓγϣϯ 44)TVEPՄೳ͔ͭαϙʔτ༗

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1)1 8FCʹಛԽͨ͠εΫϦϓτݴޠ 8FCαʔϏεΛத৺ʹ෯޿͍ར༻ ඇΤϯδχΞͷར༻ऀ΋ଟ͍ ؒҧͬͨϓϥΫςΟε΋޿·͍ͬͯΔ

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ΞδΣϯμ جૅ஌ࣝ ؒҧͬͨϓϥΫςΟε ϞμϯͳϓϥΫςΟε ΍ͬͯΈΑ͏

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جૅ஌ࣝ

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৘ใͷ୳͠ํ ॳ৺ऀ޲͚ͷॻ੶͸๛෋ ެࣜϚχϡΞϧͷಡΈํ͕େࣄ தʙ্ڃऀ޲͚ϑϨʔϜϫʔΫ͸༷ʑ 1)15IF3JHIU8BZ

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ॻ੶બͼ ಺༰͕ݹ͘ͳΔ ݱ৔ʹ͍ΔஶऀɺϥΠλʔઐ໳ͷஶऀ αϯϓϧίʔυͷηΩϡϦςΟ໰୊ ݁ہ͸Կ࡭͔ͷ߹ΘٕͤʹͳΔ

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QIQOFU

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QIQOFU ެࣜϚχϡΞϧ ෆஅͷ౒ྗͰ೔ຊޠԽ͞Ε͍ͯΔ جຊతʹ࠷৽ͷ1)1ʹ४ڌ KQQIQOFUͱ͍͏ϛϥʔ΋͋Δ Կނ͔ σβΠϯ͕ϦχϡʔΞϧ༧ఆ

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৽σβΠϯ

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ҠߦΨΠυ

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ऴྃͨ͠όʔδϣϯ 1)1 ʹऴྃࡁΈ 1)1 ʹऴྃࡁΈ 1)1 ʹऴྃࡁΈ 1)1 ʹऴྃࡁΈ 1)1 ʹऴྃ༧ఆ

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ݱߦόʔδϣϯ 1)1 ໊લۭؒ Ϋϩʔδϟ ஗Ԇ੩తଋറ -4# 1)1 "SSBZ4IPSU4ZOUBY USBJU ϏϧτΠϯαʔό 1)1 δΣωϨʔλ pOBMMZ

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ϙΠϯτ 1)1Ҏ߱͸͔ͭͯ͸1)1ͱݺ͹Εͯ ͍ͨػೳΛؚΜͰ͍Δ 1)1த৺ͷݱ৔Ͱ͋ͬͯ΋1)1Ҏ߱ ͷػೳͷ׆༻͸े෼ʹਐΜͰ͍ͳ͍

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Ϟμϯ1)1 ݹ͍ϓϥΫςΟεΛഇ͠ɺ ਖ਼͍͠1)1Λॻ͜͏

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ϨΨγʔ1)1ɺɹۦஞͯ͠΍Δʜ ͜ͷੈ͔ΒʜɹҰߦʜ࢒Βͣ

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ؒҧͬͨϓϥΫςΟε photo by toyohara

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਺ʑͷؒҧ͍ JOD $3-' SFHJTUFS@HMPCBMT TBGF@NPEF NBHJD@RVPUF ! WBS NZTRM@DPOOFDU SFRVJSF@PODF 1&"3 ؆୯ Nڃ ΍΍ෳࡶ Nڃ ΍΍ෳࡶ Nڃ ෳࡶ Nڃ

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ϑΝΠϧ JOD $3-'

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ϑΝΠϧͷ࠷ޙͷ ͸লུͰ͖Δ ͷޙͷۭന͕΍͔͍ͬ )551ϔομͷ੍ޚෆೳɺṖͷۭߦ େྔͷϑΝΠϧʹฆΕΔͱ໽հ

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Ṗͷۭߦ render(); ?>

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͜ͷԿॲ͔ʹۭߦ͕ʜ

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͜ΕͰΑ͍ render(); QIQͷ಺෦ͷۭߦ͸ग़ྗ͞Εͳ͍

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JOD$3-' ֦ுࢠJODͷϑΝΠϧʹϥΠϒϥϦΛ ஔ͘ѱश ίʔυ࿙Ӯͷةݥ͋Γ վߦίʔυ΋-'ʹ౷Ұ͢΂͖

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1)1ͷҨ࢈ SFHJTUFS@HMPCBMT TBGF@NPEF NBHJD@RVPUF@HQD SVOUJNF ഇࢭ͞ΕΔͷͰೋ౓ͱ࢖ͬͯ͸͍͚ͳ͍

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ෆ׬શͳ001ͷ໊࢒ ! WBS

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! Τϥʔ཈੍ԋࢉࢠ ͔ͭͯ͸ྫ֎͕ଘࡏ͠ͳ͔ͬͨ σόοάΛࠔ೉ʹ͢Δ໽հͳଘࡏ ద੾ʹίʔσΟϯά͢Ε͹ແ༻ͷଘࡏ

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WBS QVCMJDQSJWBUFͳͲ͕ແ͔ͬͨࠒͷଘࡏ QVCMJDQSJWBUFΛهड़͢Δ΂͖ TUBUJD΋ద੾ʹઃఆ͢Δ

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໌ࣔతͳࢀর౉͠ ͔ͭͯ͸ϝϞϦઅ໿ͷςΫχοΫ ݱࡏ͸ৗʹࢀরʹͳΔͷͰෆཁ ͋͑ͯίϐʔ͍ͨ࣌͠ʹDMPOF

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1)1 foo = 2; echo $obj->foo;

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͸ෆཁ 1)1 foo = 2; echo $obj->foo;

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ݹ͍ϥΠϒϥϦ NZTRM@DPOOFDU SFRVJSF@PODF 1&"3ͷޡ༻

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NZTRM@DPOOFDU ݹདྷΑΓ࢖ΘΕ͖ͯͨؔ਺ 1)1͔Βඇਪ঑ɺഇࢭ༧ఆ NZTRMJ@DPOOFDU1%0Λ࢖͏

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SFRVJSF@PODF ผϑΝΠϧͷϥΠϒϥϦͷಡΈࠐΈ ͱʹ͔͋͘Ε͜ΕಡΈࠐΈ·͘Γ͕ͪ BVUPMPBEػߏ͕ग़དྷͨͷͰෆཁʹ

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1&"3 ོ͔ͭͯ੝ΛތͬͨϥΠϒϥϦ܊ ݫ֨ͳެࣜνϟωϧ ݱଘ͢ΔϑϨʔϜϫʔΫ౳ͷૅ Πϯετʔϥʔ͕࢖͍ʹ͍͘ ίϐʔ͞Εվม͞Εɺߋ৽ෆೳʹ

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1&"3 ิ଍ ݱࡏ΋1)16OJU΍4NBSUZͳͲ1&"3ϕʔ εͷϥΠϒϥϦ͸׆ൃ ઃఆ΍1ZSVTͳͲʹΑΔରॲ๏΋͋Δ ਖ਼͘͠ར༻͠ɺద੾ʹӡ༻͞Ε͍ͯΕ ͹໰୊ͳ͍ ໰୊͸ޡ༻͞ΕΔ͜ͱ

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͋ͳͨͷίʔυʹ͜͏͍ ͬͨ಺༰͕ଟ͍ͱةݥ

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ϨΨγʔ1)1ɺɹۦஞͯ͠΍Δʜ ͜ͷੈ͔ΒʜɹҰߦʜ࢒Βͣ

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ϞμϯͳϓϥΫςΟε

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1)15IF3JHIU8BZ 4MJN'SBNFXPSLͷ࡞ऀ+PTIࢯ͕ൃىਓ 1)1ͷϕετϓϥΫςΟε (JU)VC্Ͱ֤ݴޠʹ຋༁͞Εͨ ͜ͷ಺༰Λक͍ͬͯΕ͹Ϟμϯ

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ͷϓϥΫςΟε ͸͡Ίʹ ίʔσΟϯάελΠϧ ݴޠ࢓༷ ґଘؔ܎ͷ؅ཧ ίʔσΟϯάʹؔ͢Δ׳श σʔλϕʔε ηΩϡϦςΟ ςετ ֤छαʔόʔ΁ͷσϓϩΠ Ωϟογϡ ৘ใݯ ίϛϡχςΟ

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͸͡Ίʹ 1)1Ҏ߱Λ࢖͏ .BD049ͷ1)1͸ݹ͍IPNFCSFX 8JOEPXT͸৭ʑ͋Γ͗͢ 7BHSBOU΋ศར

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7BHSBOU 7JSUVBM#PYΛΠϯετʔϧ 7BHSBOUΛΠϯετʔϧ ޷͖ͳ7BHSBOUpMFΛDMPOF WBHSBOUVQ ׬શʹઃఆ͞ΕͨԾ૝Ϛγϯ͕ىಈ

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ίʔσΟϯάελΠϧ 143143143 1)1$PEF4OJ⒎FS 1)1$PEJOH4UBOEBSET'JYFS

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େࣄͳͱ͜Ζ ϑΝΠϧ໊ɺύε ΠϯσϯτɺϒϨʔεͷҐஔ 1)14UPSNͳͲͷ*%&ͰݕࠪՄೳ

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ݴޠ࢓༷ͷϙΠϯτ 001ແ໊ؔ਺໊લۭؒτϨΠτ Ϋϩʔδϟ ϝλϓϩάϥϛϯά 41-$-* 9%FCVH

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DMBTTͷڭࣨ

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ґଘؔ܎ͷ؅ཧ $PNQPTFS͸ϓϩδΣΫτ಺ґଘؔ܎ 1&"3͸γεςϜશମͷґଘؔ܎ ࠷৽൛΁ͷߋ৽΍੬ऑੑνΣοΫ ϥΠϒϥϦQBDLBHJTUͰ୳ͤ͹Α͍

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$PNQPTFS DVSMTIUUQTHFUDPNQPTFSPSH JOTUBMMFScQIQ DPNQPTFSKTPO DPNQPTFSJOTUBMM SFRVJSFbWFOEPSBVUPMPBEQIQ` SFRVJSF͸͜Ε͚ͩ

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ίʔσΟϯά جຊ ೔෇΍࣌ࠁ%BUF5JNF σβΠϯύλʔϯ'BDUPSZ4JOHMFUPOϑ ϩϯτίϯτϩʔϥ.7$ ྫ֎ॲཧ

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جຊ ൺֱԋࢉࢠ JGFMTF TXJUDI γϯάϧΫΦʔτɺμϒϧΫΦʔτ ࡾ߲ԋࢉࢠ

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σʔλϕʔε 1%0 NZTRM@DPOOFDU ͸ഇࢭ༧ఆ 1%0͸൚༻త͔ͭߴػೳ όΠϯυΛઈର࢖͏

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όΠϯυ

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ηΩϡϦςΟ ύεϫʔυͷϋογϡQBTTXPSE@IBTI σʔλͷϑΟϧλϦϯά αχλΠζ όϦσʔγϣϯ 3FHJTUFS(MPCBMT1)1Ͱഇࢭ

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݁࿦ɿಙؙຊΛങ͏

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ςετ Ϣχοτςετ1)16OJU౳ ػೳςετ4FMFOJVN ৼ෣ۦಈ։ൃ#%%#FIBU1)14QFD

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σϓϩΠ 1BB4 OHJOYQIQGQNলϝϞϦ "QBDIFNPE@QIQ 1IJOH$BQJTUSBOP$IFG $* +FOLJOT 5FBNDJUZ

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Ωϟογϡ όΠτίʔυΩϟογϡ "1$9$BDIF;FOE0QUJNJ[FS8JO$BDIF ΦϒδΣΫτΩϟογϡ "1$.FNDBDIF3FEJT

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5IF3JHIU8BZ த্ڃऀʹͱͬͯ͸౰ͨΓલͷ಺༰ ௕೥ͷࢼߦࡨޡͷ஝ੵͷ݁Ռ ॾࣄ৘͸͋ͬͯ΋ɺैͬͯଛ͸ແ͍

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΍ͬͯΈΑ͏ʂ

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࡞Δ΋ͷ 7BHSBOUͰಈ͘ $PNQPTFSͰϥΠϒϥϦΛಋೖ 5XJUUFS͔Β৘ใऔಘ

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7BHSBOU 7JSUVBM#PY7BHSBOU IUUQTHJUIVCDPNZBOEPEQIQ OHJOYWBHSBOUTBNQMF HJUDMPOF WBHSBOUVQ

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DPNQPTFSKTPO WBHSBOUTTI DEWBHSBOU@EBUBTBOECPY DPNQPTFSKTPOΛهड़͢Δ ࣗಈͰ΋खಈͰ΋Ͱ͖Δ

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DPNQPTFSKTPO { "name": "llmatsuri/sample", "authors": [ { "name": "yando", "email": "[email protected]" } ], "require": { "dg/twitter-php": "*" } }

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DPNQPTFSKTPO ΄͍͠ϥΠϒϥϦΛݕࡧͯ͠ࢦఆ͢Δ 8FCͰ΋ίϚϯυͰ΋ݕࡧͰ͖Δ ࣮͸1&"3΋ΠϯετʔϧͰ͖Δ ࠷ޙʹDPNQPTFSJOTUBMMͰ·ͱΊͯ%-

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DPNQPTFSJOTUBMM vagrant@precise64:/vagrant_data$ composer install Loading composer repositories with package information Installing dependencies (including require-dev) - Installing dg/twitter-php (v3.1) Loading from cache Writing lock file Generating autoload files

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JOTUBMM͢Δͱ DPNQPTFSMPDL͕ੜ੒͞ΕΔ WFOEPSҎԼʹϥΠϒϥϦ͕%-͞ΕΔ WFOEPSҎԼʹΦʔτϩʔμ͕഑ஔ

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࢖༻ޙ

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BVUPMPBE BVUPMPBEQIQ͚ͩΛSFRVJSF͢Δ ඞཁͳ࣌ʹ֤ΫϥεΛࣗಈͰಡΈࠐΉ ೋ౓ͱSFRVJSF@PODFΛॻ͔ͳ͍ ϑϨʔϜϫʔΫ͕ಡΈࠐΉ৔߹΋͋Δ

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JOEFYQIQ

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Τϥʔʁ 5XJUUFSΫϥε͸ίϯγϡʔϚΩʔͱ ίϯγϡʔϚγʔΫϨοτ͕ඞཁΒ͍͠

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EFWUXJUUFSDPNBQQT αΠϯΞοϓ ΞϓϦΛ࡞੒ ੜ੒͞ΕͨΩʔ৘ใΛίϐͬͯ࢖͏

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औಘ loadUserInfo('yando'); var_dump($info->status->text);

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͓͓ʂ

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͋ͱ͸ ϥΠϒϥϦΛDPNQPTFSKTPO΁௥Ճ DPNQPTFSVQEBUFͰߋ৽ WFOEPSΛίϛοτ͠ͳ͍ σϓϩΠ࣌ʹJOTUBMMͰWFOEPSΛ࠶ੜ

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͞Βʹ 143Λक͍ͬͯΕ͹ࣗ࡞ΫϥεͰ΋ BVUPMPBEʹରԠͰ͖Δ 1&"3ͳͲ΋DPNQPTFSͰΠϯετʔϧ ίʔυ΍ϦϙδτϦ͕εοΩϦ

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࣭໰ʁ