PHP のドキュメントを読んで PHP のことをもっと知ろう

at PHP BLT #3

Transcript

1. 1)1ͷυΩϡϝϯτΛಡΜͰ
   1)1ͷ͜ͱΛ΋ͬͱ஌Ζ͏
   খ઒༤େ!pWFTUS
   1
   PHP BLT #3
   

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2. খ઒༤େ (͓͕Θ͔ͭͻΖ)
   @fivestr
   Racing Driver (Amateur)
   Author of "Perfect PHP"
   CTO at Ancar Inc.
   2
   

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3. Έͳ͞Μ1)1ͷ࠷৽ಈ޲͸νΣοΫͯ͠·͔͢ʁ
   w 1)1ͰԿ͕৽͘͠ͳ͔ͬͨ
   w ࠓޙͲͷΑ͏ͳػೳ͕௥Ճ͞ΕΔ͔
   3
   

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4. 1)1
   w εΧϥʔλΠϓώϯτ
   w ϦλʔϯλΠϓώϯτ
   w ԋࢉࢠ /VMM߹ମԋࢉࢠ
   
   w ԋࢉࢠ εϖʔεγοϓԋࢉࢠ
   
   w ແ໊Ϋϥε
   4
   

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5. 1)1&SSPS
   w 5ISPXBCMF
   w &SSPS
   w &YDFQUJPO
   w ͪͳΈʹ#BTF&YDFQUJPOͰ͸ͳ͘ͳΓ·ͨ͠
   5
   

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6. use Entity\{Article, Author, Comment};
   6
   

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7. ҠߦυΩϡϝϯτΛಡΈ·͠ΐ͏
   w <1)1Y͔Β1)1Y΁ͷҠߦ>

   IUUQQIQOFUNBOVBMKBNJHSBUJPOQIQ
   
   w ֤ϝδϟʔϚΠφʔόʔδϣϯ͝ͱʹ

   ҠߦυΩϡϝϯτ͕͋Γ·͢
   w
   w υΩϡϝϯτͷτοϓ͔ΒḷΕ·͢
   7
   

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8. ҠߦυΩϡϝϯτ͍͢͝
   w جຊతʹ͢΂ͯͷมߋ͕·ͱΊΒΕ͍ͯ·͢
   w ͔͠΋͍͍ͩͨ຋༁͞Ε͍ͯ·͢
   w NUBLBHJ͞Μຊ౰ʹ͋Γ͕ͱ͏
   
   8
   

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9. ࠓޙͷಈ͖͸Ͳ͏΍ͬͯݟ͍͚ͯ͹͍͍ͷʁ
   w ҠߦυΩϡϝϯτΛಡΊ͹ϦϦʔε͞Εͨ

   ৘ใ͸Θ͔ΔΑ͏ʹͳΓ·ͨ͠
   w ͜Ε͔Β௥Ճ͞ΕΔػೳͱ͔͸

   Ͳ͏΍ͬͯ஌Ε͹Α͍ͷͰ͠ΐ͏͔
   9
   

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10. 1)13'$
    w 3'$ͷϖʔδΛݟΔͱࠓޙͷಈ͖Λ

    νΣοΫͰ͖·͢
    w IUUQTXJLJQIQOFUSGD
    10
    

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11. 3'$ͷಈ͖
    w %SBGU%JTDVTTJPO7PUJOH
    w "DDFQUFE*NQMFNFOUBUJPO
    w %FDMJOF
    w ౤ථͷ݁Ռͷࢍ੒͕ͳ͍ͱ٫Լ͞ΕΔ
    11
    

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12. *NQMFNFOUFE
    12
    

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13. >7PJE3FUVSO5ZQF
    w WPJE ໭Γ஋͕ͳ͍
    ΛϦλʔϯ

    λΠϓώϯτ͕ఆٛͰ͖ΔΑ͏ʹ
    13
    

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14. function process($data) :void
    {
    ...

    }
    14
    

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15. >4VQQPSU$MBTT$POTUBOU7JTJCJMJUZ
    w Ϋϥεఆ਺ʹΞΫηεम০ࢠΛ

    ઃఆͰ͖ΔΑ͏ʹ͢Δ
    15
    

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16. class Foo
    {
    private const BAR = 'baz';
    }
    16
    

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17. "DDFQUFE
    1FOEJOH*NQMFNFOUFE
    
    17
    

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18. "MMPXTQFDJGZJOHLFZTJOMJTU
    
    w MJTU
    Ͱ࿈૝഑ྻͷΩʔΛࢦఆͯ͠

    ల։Ͱ͖ΔΑ͏ʹ͢Δ
    18
    

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19. list(
    'type' => $type,
    'value' => $value,
    ) = $attrs;
    19
    

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20. 7PUJOH
    20
    

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21. (FOFSBMJ[FTVQQPSUPGOFHBUJWFTUSJOHP⒎TFUT
    w จࣈྻͷΦϑηοτࢦఆʹϚΠφεͷ஋Λ

    ࢦఆͰ͖ΔΑ͏ʹ͢Δ
    w TVCTUSͳͲؔ਺Ͱ͸αϙʔτ͞Ε͍ͯͨ
    w ͍·ͷͱ͜Ζ൓ର͸Ͱ͍ͯͳ͍ͷͰ௨Γͦ͏
    21
    

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22. $str = 'abcdef';
    var_dump($str[-2]);
    // => string(1) "e"
    22
    

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23. 6OEFS%JTDVTTJPO
    23
    

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24. 5SBJUTXJUIJOUFSGBDFT
    w τϨΠτʹΠϯλʔϑΣΠεΛ

    ࣮૷Ͱ͖ΔΑ͏ʹ͢Δ
    w ͢͹Β͍͠
    w ͥͻ࣮૷͍͖͍ͯͨͩͨ͠
    24
    

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25. trait LoggerInjectTrait implements LoggerAwareInterface
    {
    protected $logger;
    /** @Inject */
    public function setLogger(LoggerInterface $logger)
    {
    $this->logger = $logger;
    }
    }
    25
    

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26. %FDMJOF
    26
    

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27. 1SPQFSUZ"DDFTTPST4ZOUBY
    w ΫϥεͷϓϩύςΟͷΞΫηαఆٛ
    w ΊͬͪΌཉ͔ͬͨ͠ͷʹͳΜͰ
    27
    

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28. $MBTT.FUBEBUB "OOPUBUJPOT
    
    w ΞϊςʔγϣϯͷωΠςΟϒαϙʔτ͸

    ٫Լ͞Ε͍ͯΔ
    w %PDίϝϯτͷΞϊςʔγϣϯΛѻ͏
    ʮ"OOPUBUJPOTJOEPDCMPDLʯ΋

    *OBDUJWFʹͳ͍ͬͯΔ
    28
    

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29. ·ͱΊΔͱ
    29
    

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30. 1)1υΩϡϝϯτΛಡ΋͏
    w ҠߦΨΠυΛಡΉͱϦϦʔεͷ಺༰͕

    ೺ѲͰ͖·͢
    w 3'$ΛಡΉͱࠓޙͷػೳ௥ՃͳͲͷಈ޲Λ

    ݟΔ͜ͱ͕Ͱ͖·͢
    30
    

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31. ͍͞͝ʹ
    31
    

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32. 1)1ΤϯδχΞͱ
    J04ΤϯδχΞͱ
    "OESPJEΤϯδχΞͱ
    σβΠφʔͱ
    ͱ΋͔͘Ұॹʹಇ͍ͯ͘ΕΔํΛืू͍ͯ͠·͢ʂʂ
    32
    

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