CarbonとMutableオブジェクトの話

CarbonでMutableとかImmutableの概念を覚えようねの話。

Transcript

1. CarbonͱMutableΦϒδΣΫτͷ࿩
   1)1ษڧձ
   
2. ໊લ
   
   ෋ॴ
   ྄
   3ZP
   5PNJEPLPSP ৬ۀ
   
   8FC
   "QQMJDBUJPO
   &OHJOFFS ॴଐ
   
   *OOPWBUPS
   +BQBO
   *OD ࡶ༻୲౰ झຯ
   
   όεέοτϘʔϧ؍ઓ
3. Carbonͱ͸ʁ
4. $BSCPOͱ͸ʁ Carbon - A simple PHP API extension for DateTime. DateTimeΫϥεͷAPI֦ு IUUQTDBSCPOOFTCPUDPN
5. $BSCPOͱ͸ʁ ศར ௚ײతͰ෼͔Γ΍͍͢ ๛෋ͳAPIͱυΩϡϝϯτ
6. MutableΦϒδΣΫτͱ͸ʁ
7. .VUBCMFΦϒδΣΫτͱ͸ʁ MutableΦϒδΣΫτ ͦͷঢ়ଶΛม͑Δ͜ͱ͕ग़དྷΔΦϒδΣΫτ ImmutableΦϒδΣΫτ ͦͷঢ়ଶΛม͑Δ͜ͱ͕ग़དྷͳ͍ΦϒδΣΫτ ࢀর) Πϛϡʔλϒϧ - Wikipedia | https://ja.wikipedia.org/wiki/Πϛϡʔλϒϧ
8. ຊ೔ͷେࣄͳςʔϚ
9. ຊ೔ͷॏཁࣄ߲ 1. CarbonΛ௨ͯ͡MutableɺImmutableΛ֮͑Α͏ ಛʹImmutableͷ֓೦͸ͱͯ΋େ੾ 2. CarbonͷίʔυϨϏϡʔྗUP Carbon͸࣌ʹةݥͳίʔυΛੜΈग़͢ ৯͍ࢭΊ·͠ΐ͏ʂ
10. ຊ೔ͷॏཁࣄ߲ ͔͠͠ɺී௨ʹίʔυྫΛಡΜͰ΋๞͖ΔͷͰ… ΫΠζܗࣜͰίʔυϨϏϡʔͯ͠Έ·͠ΐ͏ʂ
11. CarbonΫΠζ
12. $BSCPOΫΠζ A܅͸usersςʔϒϧʹొ࿥͞ΕͨϢʔβσʔλͷத ͔Βɺ࠷ۙ̏ϲ݄Ҏ಺ʹొ࿥͞ΕͨϢʔβσʔλΛ நग़͢ΔॲཧΛ࡞Δ͜ͱʹͳΓ·ͨ͠ɻ ͔͠͠ɺA܅͕࡞੒ͨ͠ϓϩάϥϜʹ͸໰୊͕͋ͬ ͯਖ਼͘͠ϢʔβσʔλΛநग़Ͱ͖·ͤΜͰͨ͠ɻ
13. $BSCPOΫΠζ ࣍ͷίʔυͷԿߦ໨ʹ໰୊͕͋ΔͰ͠ΐ͏͔ʁ ͦͯ͠ɺͦΕ͸ԿނͰ͠ΐ͏͔ʁ
14. $BSCPOΫΠζ ࣮ࡍͷϓϩάϥϜʢൈਮʣ 1. Կߦ໨͕໰୊ʁ 2. Կ͕໰୊ʁ
15. CarbonΫΠζ - ղ౴ฤ
16. $BSCPOΫΠζ 1. Կߦ໨͕໰୊ʁ -> 14ߦ໨ 2. Կ͕໰୊ʁ -> subMonthϝιουͰ$todayࣗମ΋มߋ͞Εͯ͠·͏
17. CarbonΫΠζ - ໛ൣղ౴1
18. $BSCPOΫΠζ copy()ϝιουΛ࢖͏ $todayͷෳ੡Λ࡞Δ͜ͱͰɺ$todayࣗମͷมߋΛආ͚Δ
19. CarbonΫΠζ - ໛ൣղ౴2
20. $BSCPOΫΠζ Carbon2 CarbonImmutableͳΒɺ$today͸ImmutableͳͷͰෆม
21. $BSCPOΫΠζ Carbon2 AliasΛ࢖͑͹ɺϓϩάϥϜͷมߋແ͠ɻ
22. ·ͱΊ
23. ·ͱΊ ɾCarbon͸ѱ͘ͳ͍ ɾAPI֦ுͷੑ࣭Λ͖ͪΜͱ೺Ѳ͢Δ͜ͱ ɾMutable, ImmutableΦϒδΣΫτΛ֮͑Α͏
24. ͓·͚
25. $BSCPOͱ$BSCPO MutableΦϒδΣΫτ ImmutableΦϒδΣΫτ ɾCarbon1ܥ ɾDateTimeΫϥεͷ֦ுAPI ɾCarbon2ܥ ɾDateTimeImmutableΫϥεͷ֦ுAPI
26. %BUF5JNF*NNVUBCMFΫϥε ࢀর) PHPϚχϡΞϧ | http://php.net/manual/ja/class.datetimeimmutable.php