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functions.phpからプラグインへ
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Ippei Sumida
February 26, 2021
Technology
2
850
functions.phpからプラグインへ
WP ZoomUP 59『はじめてのプラグイン作成』でお話ししたスライドです。
#WordPress #WPZoomUP
Ippei Sumida
February 26, 2021
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Transcript
Ippei Sumida 2020.02.26 functions.php͔ΒϓϥάΠϯ ϓϥάΠϯΛ࡞ͬͯΈΑ͏
ϓϥάΠϯ ςʔϚ functions.php
ϓϥάΠϯ͖ͳΧελϚΠζ ɹɹςʔϚ͖ͳΧελϚΠζ
• จࣈͷ০ • ը૾ͷ০ʢnot Ճʣ • ϨΠΞτͷௐ • ςʔϚݻ༗ͷΧελϜϒϩοΫ •
ςʔϚͷઃఆ • ͦͷςʔϚͷΧελϚΠζ ςʔϚ͖ ςʔϚʹґଘ
• ཧը໘ͷΧελϚΠζ • αΠτઃఆɾػೳͷՃɾมߋ • γϣʔτίʔυ • ΧςΰϦ • ΧελϜϒϩοΫ
• REST API • ڞ௨ͳද੍ࣔޚ • ͦͷαΠτͷΧελϚΠζ ϓϥάΠϯ͖
ϓϥάΠϯ ςʔϚ functions.php ςʔϚʹؔΘΔ͜ͱ αΠτʹؔΘΔ͜ͱ
ϓϥάΠϯ ςʔϚ functions.php ςʔϚʹؔΘΔ͜ͱ αΠτʹؔΘΔ͜ͱ Ͳͬͪʹॻ͍ͯಈ͘
ͳͥϓϥάΠϯͳͷ͔
ςʔϚʹґଘ
ΧελϚΠζ ͠Α͏ʂ
ΧελϚΠζ ͠Α͏ʂ functions.php ࡞ɾमਖ਼ˍΞοϓϩʔυ
ΧελϚΠζ ͠Α͏ʂ functions.php
ΧελϚΠζ ͠Α͏ʂ functions.php ςʔϚA
ςʔϚม͍͑ͨʂ functions.php ςʔϚA
ςʔϚม͍͑ͨʂ functions.php ςʔϚB functions.php ςʔϚA
ςʔϚม͍͑ͨʂ functions.php ςʔϚB functions.php ςʔϚA ΧελϚΠζ͕ফ͑Δʂ
functions.php ίϐʔʂ functions.php ςʔϚB functions.php ίϐʔ
functions.php ίϐʔʂ functions.php ςʔϚB functions.php ίϐʔ ςʔϚBݻ༗ͷΧελϚΠζ͕ ফ͑Δʂ
ΧελϚΠζ ՕॴҠ২ʂ functions.php ςʔϚB functions.php Ҡ২
ΧελϚΠζ ՕॴҠ২ʂ functions.php ςʔϚB functions.php Ҡ২ ΧελϚΠζͨ͠Օॴ͚ͩ Ҡ২Ͱ͖Δࣗ৴͋Δʁ
None
ΧελϚΠζͯ͠ ࡞ͬͨؔ
ςʔϚͷؔΛ ͬͯΔ
ΧελϚΠζ ͠Α͏ʂ plugin.php ࡞ɾमਖ਼ˍΞοϓϩʔυ ϓϥάΠϯC
ΧελϚΠζ ͠Α͏ʂ plugin.php ϓϥΠϯC
ςʔϚม͍͑ͨʂ functions.php ςʔϚB functions.php ςʔϚA plugin.php ϓϥΠϯC αΠτʹӨڹͳ͠
functions.php͔Β ϓϥάΠϯ
ྫɿμογϡϘʔυɹɹ ɹɹΟδΣοτ
wp-content/themes/some-theme/functions.php
ϓϥάΠϯ ςʔϚ functions.php μογϡϘʔυͷΟδΣοτςʔϚ͕ มΘͬͯදࣔ͠ଓ͚ΔʰαΠτͷΧελϚΠζʱ ςʔϚʹؔΘΔ͜ͱ αΠτʹؔΘΔ͜ͱ
ͰΉ͔͍ͣ͠ΜͰ͠ΐʁ
ϓϥάΠϯ࡞ɺ࣮͜Μͳʹ؆୯ʂ MajiͰKantan 5εςοϓ 1.ϓϥάΠϯσΟϨΫτϦΛ࡞Δ 2.readme.txtΛࢦఆͷϑΥʔϚοτͰͭ͘Δ 3.[ϓϥάΠϯσΟϨΫτϦ໊].phpʹࢦఆͷϑΥʔϚοτͰίϝϯτΛॻ͘ 4.ίʔυΛॻ͘ •functions.phpͷίʔυΛΧοτˍϖʔετ͢Δ 5.ϓϥάΠϯσΟϨΫτϦΛΞοϓϩʔυ͢Δ •ߋ৽͍ͯ͠ΕɺςʔϚͷfunctions.phpΞοϓϩʔυ͢Δ
1. ϓϥάΠϯσΟϨΫτϦΛ࡞Δ
wp-content plugins dashboard-widget σΟϨΫτϦΛͭ͘Δʂ ऴ ੍࡞ɾஶ࡞ ━━━━━ ⡹⡲⡼
•wp-content/plugins/ ʹ͓Έͷ໊͓લͰ •খจࣈͱϋΠϑϯͱࣈͷΈ߹Θ͕ͤແ •ඞͣҰҙʹͳΔΑ͏ʹʂʂ wp-content plugins dashboard-widget σΟϨΫτϦΛͭ͘Δʂ ิ
2. readme.txtΛͭ͘Δ
ެࣜʹαϯϓϧ͋Δ
3. PHPʹίϝϯτΛॻ͘
wp-content plugins dashboard-widget σΟϨΫτϦͱಉҰ໊ͷPHPϑΝΠϧΛ࡞Δ dashboard-widget.php
࠷ݶ͜Ε͚ͩʂ
ެࣜʹαϯϓϧ͋Δ
4. ίʔυΛॻ͘ લʹ
PHPίʔσΟϯάنΛकΖ͏ʂ WordPressʹίʔσΟϯάنʢ= ॻ͖ํʣ͕͋ΓɺͦΕʹैͬͯ ίʔσΟϯά͢Δඞཁ͕͋Γ·͢ɻॻ͖ํ͕౷Ұ͞ΕͨίʔυՄಡ ੑ͕ൈ܈ʹ্͕Γ·͢ɻʢ※ 3ϲ݄લͷࣗଞਓʣ ίʔσΟϯάنHTML, CSS, JavaScript, PHP͝ͱʹܾ·͍ͬͯ·
͢ɻެࣜͷυΩϡϝϯτʹهड़ํ๏͕ެ։͞Ε͍ͯ·͢ɻ
ؓٳ ※ ݸਓͷײͰ͢
ϑϨʔϜϫʔΫ ίʔσΟϯάن Laravel PSR-2 Symfony PSR-12 (PSR-2ͷ֦ு) ϕʔε CakePHP PSR-2
Yii PSR-2 ओཁPHPϑϨʔϜϫʔΫͷίʔσΟϯάن
PSR PHP Standard Recommendation
PHP-FIG PHP Framework Interoperability Group
PHPʹؔ͢Δʰ͓࡞๏ʱΛܾΊ͍ͯΔάϧʔϓ https://www.php- fi g.org
࠷ۙͷPHP΄ͱΜͲɺ PSR-2͔PSR-12
WordPressʁ
ಠࣗ
None
None
ͳΜͰʁ
ؓٳ͓ΘΓ
4. ίʔυΛॻ͘
wp-content/themes/some-theme/functions.php
wp-content/themes/some-theme/functions.php ʘ Χοτ! ʗ
wp-content/plugins/dashboard-widget/dashboard-widget.php
ʘ ϖʔετ! ʗ wp-content/plugins/dashboard-widget/dashboard-widget.php
ऴ ੍࡞ɾஶ࡞ ━━━━━ ⡹⡲⡼
ิ
wp-content/plugins/tutorial-widget/tutorial-widget.php ҰҙʹͳΔΑ͏ʹʂ ※಄ࣙʹϓϥάΠϯ໊ೖΕΔͱΑ͍ ※Ϋϥεͷϝιου໊ͷͧ͘
5. Ξοϓϩʔυ͢Δ લʹ
ಈ࡞֬ೝͯ͠Ξοϓϩʔυ͍ͨ͠
wp-env @wordpress/env
WordPress։ൃڥΛ αΫοͱ࡞Δʔͭ Hi!
http://localhost:8888 ID: admin PW: password ΅͘yarnʂ
wp-envͷ͕͜͜ਪ͠ϙΠϯτ • ϩʔΧϧʹnpmʢyarnʣͱDocker͕͋Ε͍͍ • ෳϓϩδΣΫτ͋ͬͯɺผѻ͍Ͱ͖Δ • ʢ࡞࣌ʣৗʹ·ͬ͞Β • ͍ͭͰ͜ΘͤΔ •
Dockerͷϩΰ͔Θ͍͍ • yarn͔Θ͍͍ υϠΝ!
ࣗಈͰΠϯετʔϧࡁΈ ཁΞΫςΟϕʔτ
None
5. Ξοϓϩʔυ͢Δ
wp-content plugins dashboard-widget σΟϨΫτϦΛ·ΔͬͱΞοϓϩʔυʂ dashboard-widget.php
wp-content themes some-theme functions.phpΛίϐϖͯͨ͠ΒςʔϚ functions.php
ཁΞΫςΟϕʔτ
None
ࢀߟɿ΅͘ͳΒ
None
͜͏࡞Δ
͕࣌ؒ͋Εઆ໌
Conclusion • functions.phpʹςʔϚͷΧελϚΠζɺ ϓϥάΠϯʹαΠτͷΧελϚΠζΛهड़͢Δ • ϓϥάΠϯ࡞ʹඞཁͳͷɺͨͬͨͷ5εςοϓ • ίʔσΟϯάنΛकΖ͏ • άϩʔόϧͳͷʹҰҙͳ໊લΛ͚ͭΔ
• wp-envਆɻςʔϚ࡞ʹ͑ΔΑ
֯ా Ұฏ Web Developer Freelance @ippey_s ͢Έͩɹ͍͍ͬ