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1. ɹ!shin1x1 2017//15 PHPΧϯϑΝϨϯεؔ੢
    1)1ͷݱ৔͔Β

2. http://php-genba.shin1x1.com/

3. D
   
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   !TIJOY ΞδΣϯμ w
   ॆ࣮ͨ͠υΩϡϝϯτ
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   ܕΛ໌ࣔͰ͖ΔεΫϦϓτݴޠ
   w
   ΦϒδΣΫτࢦ޲։ൃݴޠ
   w
   εςʔτϨεͳϥϯλΠϜ
   w
   1)1
   ͷࢥ૝

4. ॆ࣮ͨ͠
   υΩϡϝϯτ

5. http://php.net/

6. http://ja.phptherightway.com/

7. ܕΛ໌ࣔͰ͖Δ
   εΫϦϓτݴޠ

8. None

9. &MPRVFOU 3FQPTJUPSZ <?php function something(int $i): Foo {} something(1)->method(); ܕએݴ

10. &MPRVFOU 3FQPTJUPSZ <?php // PHP 7.1 function something(?int $i): ?Foo

    {} // PHP 7.0 ҎԼ function something(int $i = null): Foo {} ܕએݴʢOVMMBCMFʣ

11. D
    
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    !TIJOY ܕΛ໌ࣔ͢Δ w
    ҙਤ͠ͳ͍஋ʢܕʣΛ๷͙
    w
    ίʔυͷҙਤΛ໌֬ʹʢ*%&ʹ΋ڭ͑Δʣ
    w
    ҉໧తม׵Λ๷͙

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    !TIJOY ܕͷݕࠪ w
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    /FU#FBOT౳ʣ
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    1IBO
    ͳͲͷ੩తղੳπʔϧ
    w
    ࣗಈςετ

13. ΦϒδΣΫτࢦ޲։ൃݴޠ

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    !TIJOY ΦϒδΣΫτࢦ޲։ൃݴޠ w
    ΫϥεɺܧঝɺΧϓηϧԽ
    w
    ܕએݴ
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    ΠϯλʔϑΣΠεɺந৅Ϋϥε
    w
    ྫ֎ɺτϨΠτ

15. D
    
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    !TIJOY ׆༻Ͱ͖Δ؀ڥ w
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    ͷϥΠϒϥϦɺϑϨʔϜϫʔΫ
    w
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    ͷྲྀߦʹΑΔ
    001
    ͷ࠶ධՁ
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    ৘ใɺϊ΢ϋ΢ͷެ։

16. D
    
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    !TIJOY 1)1ݴޠػೳͰͷ׆༻ w
    ෳࡶͳ࣮૷ΛӅͯ͠ɺ୯७ͳݴޠػೳͰར༻
    w
    "SSBZ"DDFTT
    
    <>
    ʹΑΔཁૉΞΫηε
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    5SBWFSTBCMF
    
    GPSFBDI
    ͰΠςϨʔτ

17. &MPRVFOU 3FQPTJUPSZ <?php class FooCollection implements \ArrayAccess { // (snip)

    } $collection = new FooCollection(); $collection['key1'] = 'foo'; $value = $collection[‘key1']; "SSBZ"DDFTT

18. s &MPRVFOU 3FQPTJUPSZ <?php class BarCollection implements \IteratorAggregate { //

    (snip) } $collection = new BarCollection(); foreach ($collection as $v) { echo $v; } 5SBWFSTBCMF *UFSBUPS"HHSFHBUF

19. εςʔτϨεͳ
    ϥϯλΠϜ

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    ࣮ߦ؀ڥΛॳظԽ
    
    PQDPEF
    Λ࣮ߦ
    
    )551Ϩεϙϯεฦ͢

21. D
    
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    ࣮ߦ؀ڥΛॳظԽ
    
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    )551Ϩεϙϯεฦ͢ 01$BDIF
    ͰΩϟογϡ

22. D
    
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    )551Ϩεϙϯεฦ͢

23. D
    
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    Կ΋ڞ༗͠ͳ͍ɺԿ΋࢒͞ͳ͍

24. D
    
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25. D
    
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26. 1)1ͷࢥ૝

27. 1)1
    ͸ࣃϒϥγ
    ͷΑ͏ͳ΋ͷͰ͢ ϥεϚεɾϥʔυϑ
    https://www.sitepoint.com/phps-creator-rasmus-lerdorf/

28. ʮ1)1ͱ͍͏ݴޠΛ࡞Ζ͏ʯ
 ͱߟ͑ͯ࡞ͬͨͷͰ͸͋Γ·ͤΜɻ
 ʮ໰୊Λղܾ͢ΔͨΊͷπʔϧΛ࡞Ζ͏ʯ
 ͱࢥͬͯ࡞͍ͬͯ·ͨ͠ɻ ϥεϚεɾϥʔυϑ
    http://gihyo.jp/news/interview/2010/rasmus

29. 1)1
    
    πʔϧ

30. ୭΋͕࢖͑Δπʔϧ

31. 1)1
    
    ܨ͙ݴޠ

32. 1)1ΤϯδχΞΑ
    ڳΛுΕ

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