WordPress のプラグイン作ったりコアコントリビュータになった話。そして、その楽しさと意義。

by Toro_Unit (Hiroshi Urabe)

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WordPress ͷϓϥάΠϯ࡞ͬͨΓί ΞίϯτϦϏϡʔλʹͳͬͨ࿩ɻͦ͠ ͯɺͦͷָ͠͞ͱҙٛɻ Toro_Unit / 2016.07.10 @ WordCamp Kansai 2016 1

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whoami ͜͡͠ΐ͏͔͍ 2

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Profile Toro_Unit / ઎෦ ߛ (͏Β΂ ͻΖ͠) Frontend Engineer / Plugin Developer / Web Designer Github: @torounit Twitter: @Toro_Unit Facebook: fb.me/torounit Blog: https://torounit.com 3

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Profile • ෱ౡݝ܊ࢁࢢੜ·Εɻ܈അݝଠాࢢ ҭͪɻ௕໺ݝদຊࢢ1̕೥໨ɻ • ʹ͡Ύ͏ͳͳ͍͞ɻ • ;ΓʔΒΜ͢ʹͳΓ·ͨ͠ɻ 1 Wikimedia Commons/File:File: 130608MatsumotoCastleMatsumotoNaganoprefJapan02bs4.jpg Author: 663highland.License:CC2.5 4

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WordPressͱͷؔΘΓ 5

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Plugins • Custom Post Type Permalinks ( Active Install 60,000+!!! ) • Simple Post Type Permalinks • Powerful Posts Per Page • Hello Kushimoto • etc... 6

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Other Project • WordPress 4.3 ~ 4.5 Core Contributor • WP-CLI (v0.20.2) / VCCW Community • WordBench ௕໺ (࠷ۙ দຊൡɾ൧ాൡͱ͔Ͱ͖·ͨ͠) • WordCamp / WordBash / WordWine ... 7

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ΞδΣϯμ 8

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1. ϓϥάΠϯΛ࡞ͬͯެ։ͯ͠Έͨ࿩ɻ 2. ύονΛૹͬͯΈͨ࿩ɻ 1. ϓϥάΠϯʹύονΛૹͬͯΈͨɻ 2. ຊମʹ΋ύονΛૹͬͯΈͨɻ 3. ͍͞͝ʹ 9

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1. ϓϥάΠϯΛ࡞ͬͯެ։ͯ͠Έͨ࿩ 10

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1.ϓϥάΠϯ։ൃΛ࢝ΊͨܦҢ 11

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2011೥ 5years ago 12

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• ࣾ಺ͰWordPressΛ৮Γͩͯ͠1೥͙Β͍ɻ • ࣾ಺ʹΤϯδχΞ΋ډΒͣɺ஍ํͳͷͰษڧձͳͲ΋͋·Γ ແ͍ɻͱΓ͋͑ͣɺެࣜσΟϨΫτϦͷςʔϚ΍ϓϥάΠϯ Λݟ࢛ͯۤീۤɻ • ΦϨΦϨϓϥάΠϯΛ͍͔ͭ͘࡞ͬͯͨΓɻ 13

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WordPress ͷΠϕϯτʂ ࢀՃͯ͠ΈΑ͏ʂ 15

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WordCamp Tokyo 2011Ͱ͠Ό΂ͬͯདྷ·ͨ͠ɻ | Firegoby 16

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ʮΞοϓσʔτ͕؆୯ʹͳΔΑʂʯ • ʮ؅ཧը໘͔ΒΞοϓσʔτͰ͖ΔΑ͏ʹͳΔΑʂʯ ʮৄ͍͠ਓ͔ΒϑΟʔυόοΫ΋Β͑ΔΑʂʯ • ʮPHP͸શੈքڞ௨ʂඇӳޠݍͷਓ΋ଟ͍͔Βେৎ෉ʂʯ 17

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๻ͷײ૝ ʮͳΜ͔ࢥͬͯͨΑΓؾܰͦ͏ͩ͠ɺϑΟʔυόοΫͱ͔΋Β ͑ͨΒָͩͳʔɻ΄Μͱ͔ͳ͊ŋŋŋ??? (൒৴൒ٙ)ʯ ·͊ὃ͞Εͨͱࢥͬͯ΍ͬͯΈΑ͏ʂ 18

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2011/12/05. ͱ͍͏Θ͚Ͱɺެ։ͯ͠Έͨɻ Total Downloads: 260,358 (2016/7/10ݱࡏ) 19

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2011/12/08. ૣ଎ϚαΧϦ͕ඈΜͰདྷͨɻ ҙ༁Ͱ͢ɻޠฐͳͲΛؚΜͰ͓Γ·͢ɻ • σόοάϞʔυͰͷݕূ͠ΖʂNotice ͰͯΔ΍Μ͚ʂ • Τεέʔϓ͠ΖʂηΩϡϦςΟΨόΨόʂ • etc... 20

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ͼͼΔʂ 21

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Ͱ΋ɺ͋Γ͕͍ͨʂ͏Ε͍͠ʂ 22

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པΜͰ΋͍ͳ͍ͷʹݕূ΍ͬͯ͘ΕΔʂ ίʔυ΋ಡΜͰࢦఠͯ͘͠ΕΔʂ ϓϧϦΫΤετͱ͔ύονͱ͔͘ΕΔʂউखʹ௚ͯ͘͠ΕΔʂ 23

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ଞͷਓ͔Β΋ͨ͘͞ΜͷϑΟʔυόο ΫΛ΋Β͍·ͨ͠ɻ 24

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࠷ۙདྷͨ issue ҙ༁: wp_get_post_terms ࢖͏ͱσʔλ͕Ωϟογϡ͞Εͳ͍͔Βget_the_terms ͷํ͕ྑ͍Αʂ 25

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ʮੈքͱަྲྀʯ͔֬ʹग़དྷͨ! • ݴ༿Ͱ͸΍ΓͱΓͰ͖ͳͯ͘΋ɺίʔυΛհͨ͠΍ΓͱΓ͕ ग़དྷΔͷ͸໘ന͍ʂԕํͷਓͱ͔ɺւ֎ͷਓͱ͔ɻίʔυ͔ Β࢝·ͬͯ஥ྑ͘ͳͬͨਓ΋ɻ 26

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ϑΟʔυόοΫ͸ຊ౰ʹษڧʹͳΔɻ • ਖ਼௚ɺWordPress ͷ͢΂ͯʹৄ͍͠Θ͚͡Όͳ͍ɻ͚ͩͲɺ ୭͔͕ڭ͑ͯ͘ΕΔɻ஌Βͳ͔ͬͨػೳɾڍಈͱ͔ɻ • ϓϥάΠϯͷςετࣗಈԽͱ͔΋ڭ͑ͯ΋ΒͬͨΓɻ • ϑΟʔυόοΫΛ໯͍΍͘͢ɺ֦ுɾमਖ਼͢ΔͨΊʹྑ͍ί ʔυΛॻ͜͏ͱ͍͏ҙ͕ࣝ෇͍ͨɻਓͷςετΛಡΜͩΓ΋ɻ • ؾ͕͚ͭ͹͔ͳΓͷεΩϧΞοϓɻ 27

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ίʔυΛެ։͢Δ͜ͱ͸ɺϝϦοτ͋Γ·͢Α!! 28

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Add Your Plugin! 29

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2. ύονΛૹͬͯΈͨ࿩ɻ 30

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2-1. ϓϥάΠϯʹύονΛૹͬͯΈͨ 31

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ʮެࣜσΟϨΫτϦʹ্͛ΔͱΞοϓσʔτ͸؆୯!ʯ ͱઌ΄Ͳݴ͍·͚ͨ͠Ͳɻ 32

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ͦΕɺࣗ෼ͷϓϥάΠϯ͚ͩͰྑ͍ͷʁ ( ύʔϚϦϯΫͷϓϥάΠϯ͚ͩ͡ΌαΠτ͸࡞Εͳ͍ɻ ) 33

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ଞͷਓ͕࡞ͬͨϓϥάΠϯʹόά͕͋ͬͨΒ? ଍Γͳ͍ػೳ͕͋ͬͨΒ? 34

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मਖ਼ΛૹΓ͚ͭΕ͹͍͍ΑͶ!!! ͦΕ͕൓ө͞ΕͨΒָͩΑͶ!!! 35

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ͱ͍͏Θ͚ͰύονΛૹͬͯΈͨࣄྫɻ 36

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WordPress Ͱ ଟݴޠαΠτΛ࣮ݱ͢ΔϓϥάΠϯ Bogo ʹͭ ͍ͯͷ૬ஊ͕ϑΥʔϥϜʹ౤ߘ͞Ε͍ͯͨɻ Bogo ͷ࡞ऀ͸ Contact Form 7 Ͱ͓ͳ͡Έͷࡾ޷͞Μɻ ΧελϜ౤ߘλΠϓͰɺݴޠΛ·͍ͨͰಉ͡εϥοάͷ౤ߘΛ ࡞Εͳ͍ͱ͍͏૬ஊɻ ϑΥʔϥϜ » BogoɿݴޠؒͰಉ͡ύʔϚϦϯΫΛ࢖͏ʹ͸ʁ — WordPress 37

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։ൃதͷҊ݅Ͱ Bogo Λ࢖͍ͬͯͨͷͰɺݕূͯ͠Έͨɻ ͦͷ݁Ռɺhierarchical => true ͳΧελϜ౤ߘλΠϓʹ͓ ͍ͯɺͦͷ໰୊͕ൃੜ͢Δ͜ͱ͕ൃ֮ɻ 38

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• ࢓༷͕૿͑ͨ৔߹ʹɺಉ͡໰୊ʹͿ͔ͭΔ͔΋ɻɻɻɻ (ӅΕͨ࢓༷ͳΜͯྑ͋͘Δ࿩) • όάݟ͚ͭͪΌ͔ͬͨΒؾʹͳΔɻ 39

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ͱ͍͏Θ͚Ͱɺͦͷ໰୊Λमਖ਼ɻίʔυΛϑΥʔϥϜʹషͬͯ Έͨɻ 40

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ʮToro_Unit ͞Μɺ͢͹Β͍͠ಎ࡯ɺ͋Γ͕ͱ͏͍͟͝·͢ɻ͍ ͍ͨͩͨύονΛ࣍ͷϦϦʔεͰಋೖ͠·͢ɻௐࠪʹ࣌ؒΛׂ ͍͍͖ͯͨͩ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻʯ 41

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ΉͪΌͪ͘Ό͏Ε͍͠ʂ 42

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Ͱ΋ɺଞʹ΋ྑ͍͜ͱɻ 43

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͜ͷ໰୊͕मਖ਼͞Εͨ͜ͱͰɺ޾ͤʹͳͬͨਓɻ • Ϛʔδ͞Εͯخ͔ͬͨࣗ͠෼ɻ • ࡞ऀͷࡾ޷͞Μɻʢཁ֬ೝʣ • ͜ͷ໰୊ʹࠔ͍ͬͯͨϑΥʔϥϜ౤ߘऀͷํɻ ͦͯ͠ɻ 44

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Bogo Λ࢖ͬͯΔਓɺ͜Ε͔Β࢖͏ਓ! • ϑΟʔυόοΫͷ͓͔͛Ͱউखʹόά͕௚ͬͯΔʂ • ͦ΋ͦ΋͜ͷ໰୊ͷଘࡏ͢Β஌ΒͣʹࡁΉɻ 45

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ͦ΋ͦ΋ɺΦʔϓϯιʔε͔ͩΒɺͰ͖ͨ͜ͱɻ ͜Εͬͯ͘͢͝ͳ͍ʁ 46

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Open Source Power! 47

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2-2. ίΞʹύονΛૹͬͯΈͨɻ 48

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• ͋Δ೔ɺget_post_type_labels Λݺͼग़͢ͱɺ get_post_type_object ͷ໭Γ஋͕࿈૝഑ྻʹมΘͬͯ͠· ͏ͱ͍͏όάʹͿͪ౰ͨΔɻ(ຊ౰͸Object) • ΦϨΦϨؔ਺Λ࡞͍ͬͯ྇Ͱ΋ྑ͍͚Ͳ͔ͬͨΔ͍ͳŋŋŋɻ 49

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ίΞͷόά͕௚Ε͹ɺָͩΑͶʁ 50

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• ίΞͷτϥοΫΛௐ΂ͨͱ͜Ζɺ2ϲ݄લʹใࠂ͸͞Ε͍ͯ ͕ͨະରԠͩͬͨɻϚχΞοΫ͍͔ͩͬͨͤɺίϝϯτͳͲ ΋ಛʹ͍͓ͭͯΒͣɻ #33023 (_get_custom_object_labels should not change data type to Array from Object.) – WordPress Trac ݪҼ΋Θ͔ͬͯΔ͠ɺ͜ΕύονૹΕ͹ྑ͍Μ͡Όແ͍͔ʁ 51

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ͱ͍͏Θ͚ͰɺύονΛૹͬͨɻ 52

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ӳޠͰઆ໌͢Δͷ͕େมͩͬͨͷͰɺςετίʔυ΋͍ͭͰʹॻ͍ͨɻ 53

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Ϛʔδ͞Εͨʂ 54

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ΊͬͪΌخ͍͠!! WordPress ʹ໊લ͕ࡌͬͯࣗຫͰ͖Δ! 55

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Ͱ΋΄͔ʹ΋(ҎԼུ 56

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Open Source Power! 57

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3.͍͞͝ʹ 58

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ϓϥάΠϯΛ࡞͍ͬͯΔཧ༝ɻ ࣗ෼ͷϓϥάΠϯ͸ຊ౰ʹͨ͘͞ΜͷαΠτͰಈ͍͍ͯ·͢ ͕ŋŋŋŋ • ࣗ෼ͷཉ͔ͬͨ͠ػೳ͕ແ͔͔ͬͨΒ࡞͚ͬͨͩʂ • Ξοϓσʔτָ͕ͩͱݴΘΕͨ͠ɺϑΟʔυόοΫ͕͋Δͱ ࣗ෼͕࢖͏ͱ͖ʹָͩͳͱࢥ͚ͬͨͩʂ 59

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ύονΛૹͬͨཧ༝ɻ • ୯ʹࣗ෼͕ࠔͬͨΓ͔ͨ͠ΒɺύονΛૹ͚ͬͨͩɻ • ύον΋ຊମʹϚʔδ͞Εͨํָ͕ͩͬͨ͠ɺใࠂ͢Ε͹࡞ ऀͷํ΍ଞͷਓʹ΋ݟͯɺόάΛݟ͚ͭͯ΋Β͑Δ͔ ΋ɾɾɾΈ͍ͨͳͦΜͳग़དྷ৺ɻ 60

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ͦΜͳ͍ܰؾ͕࣋ͪɺ݁Ռతʹ͍ΖΜ ͳਓͷॿ͚ʹͳ͍ͬͯΔ!!! 61

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ͦͯ͠ɺ஌Βͳ͍ؒʹࣗ෼΋ͦͷԸܙ Λଘ෼ʹड͚͍ͯΔ!!! 62

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• ΦϨΦϨϑΥʔΫ • ΦϨΦϨύον • ΦϨΦϨϓϥάΠϯ ͋ͳͨͷϨϙδτϦʹ຾͍ͬͯ·ͤΜ͔ʁ 63

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Let's Contribute! 64

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ίΞͷڍಈʹʮ͋Εͬʯŋŋŋͬͯ ࢥͬͨ͜ͱ͸͋Γ·ͤΜ͔ʁ 65

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Let's Contribute! 66

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Good First Bugs ॳΊͯͷਓʹΦεεϝͷ؆୯ͳόάɻ ίΞ΁ͷύονΛૹͬͨΓ͢Δ࿅शʹͲ͏Ͱ͔͢ʁ 67

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Let's Contribute! 68

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Let's Open Source! 69

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Thanks! Github: @torounit Twitter: @Toro_Unit Facebook: fb.me/torounit Blog: https://torounit.com 70