evalこそパワー #phpkansai / phpkansai2017

PHPカンファレンス関西2017での飛び入りLTの資料です

Transcript

1. evalͦ͜ύϫʔ
   @hiraku
   

   View Slide

2. ࣗݾ঺հ
   • த໺ ୓ (@Hiraku)
   • https://github.com/hirak
   • ϝϧΧϦͷαʔόʔαΠυΤϯδχΞ
   • Composerؔ࿈ͷൃදΛΑ͍ͯ͘͠·͢
   • PHPΧϯϑΝϨϯεؔ੢2016 جௐߨԋ
   

   View Slide

3. We are hiring!
   

   View Slide

4. View Slide

5. View Slide

6. View Slide

7. evalͦ͜ύϫʔ
   @hiraku
   

   View Slide

8. eval஌ͬͯΔਓʁ
   

   View Slide

9. eval($code);
   • จࣈྻΛίʔυͱ࣮ͯ͠ߦ͢Δ
   • ʮεΫϦϓτݴޠʯͷຊ࣭Λൈ͖ग़ͨ͠΋ͷ
   

   View Slide

10. eval࢖͍͍ͬͯͱࢥ͏ਓʁ
    

    View Slide

11. View Slide

12. View Slide

13. ةݥ㲈ڧྗ
    

    View Slide

14. Α͋͘Δྫ
    • ϞοΫ / ΞεϖΫτࢦ޲
    • ςϯϓϨʔτΤϯδϯه๏࡞ͬͨΓͱ͔
    • classͷίʔυΛͦͷ৔Ͱੜ੒࣮ͯ͠ߦ
    

    View Slide

15. ͋ͦΜͰΈͨྫ
    http://qiita.com/Hiraku/items/
    190443b33ee7a2167ade
    

    View Slide

16. spindle/collection
    • ഑ྻͷૢ࡞ϝιουΛॻ͘ͱɺιʔείʔυ
    จࣈྻΛ(಺෦తʹ)ੜ੒͍ͯ͘͠
    • ඞཁʹͳ͚ͬͨ࣌ͩevalͰ࣮ߦ
    

    View Slide

17. evalͷ͔͍ͭΈͪ
    • ݴޠͷೳྗΛͪΐͬͱ͚ͩ௒͑ͨ΋ͷΛ࡞Δ
    • ΦϨΦϨߏจΛ࡞Δ
    • ͳͲͳͲ
    

    View Slide

18. ͝ར༻͸ܭըతʹ
    ༡ΜͰΈΔͱ໘ന͍Α
    

    View Slide

19. ࠂ஌
    

    View Slide

20. 2017/6/10 ෱Ԭ✅
    2017/7/15 ؔ੢✅
    ↓
    

    View Slide

21. View Slide

22. View Slide

23. ·ͩؒʹ߹͍·͢ʂ
    phpcon.php.gr.jp
    

    View Slide