近況PHP / PHP in now a days

at: TechFeed Conference 2022
url: https://techfeed.io/events/techfeed-conference-2022
date: 2022/05/14
speaker: uzulla

Transcript

1. (ඇPHPer޲͚)
   ۙگ PHP
   uzulla @ TECHFEED CONFERENCE 2022
   DISCLAIMERɿશ෦ओ؍
   

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2. @uzulla
   ϑϦʔͷ PHPer
   (͏ͣΒ)
   (RubyͰ͸ͳ͍ํ)
   PHP4ʙ8.1ରԠத
   

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3. ࠷ॳʹ·ͱΊ
   (·ͣ) ੜ͖࢒ͬͨɺγΣΞ੒௕ͱ·Ͱ͸ݴΘͳ͍͕ਰୀͰ΋ͳ͍
   ރΕ͍ͯͳ͍(BCΛڪΕͳ͍ɺྗڧ͋͞ΔਐԽ)
   (ଞॴ͔ΒݟΕ͹पճ஗Εͷ)Ϟμϯ͞ΛΩϟονΞοϓத
   σΩΔਓͳΒ͙͢࢖͑Δखܰ͞͸ͦͷ··ʹݎ࣮ʹ
   Ͳ͜ʹͰ΋͋Δ͠ɺͲ͜Ͱ΋࢖ΘΕ͍ͯΔ
   

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4. ੜ͖࢒ͬͨ
   w े෼Ͱ͔͍γΣΞɺ଎౓ɺϥΠϒϥϦɺϑϨʔϜϫʔΫͷଘࡏ
   w ෆ଍͍ͯ͠Δͷ͸ɺઃܭͰ͖ΔΤϯδχΞ
   w ʮνϟϯεͰ͢Αʂʢ୭ʹݴͬͯΔΜͩʁʯ
   w ֤छϓϥοτϑΥʔϜͰ΋ɺϑΝʔετύʔιϯͰ͸ͳ͍͕
   େ఍OE SE͋ͨΓʹ͸͍Δʢྫɿ-BNCEBͱ͔ʣ
   

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5. ੜ͖ͯΔ৔ॴ
   w ϋΠύϑΥʔϚϯεʮҎ֎ʯͷ΢ΣϒόοΫΤϯυ
   w ྫ8FCTPDLFU΍ϙʔϦϯάɺ$,ɺH31$౳Ҏ֎
   w ݱ୅͸ඞཁͳॴ͚ͩڧ͍ݴޠΛ࢖͏ͷ͕ී௨
   ʢྫΩϡʔ ϝοηʔδϒϩʔΧʔ͸ผݴޠ΍ϚωʔδυͰʣ
   w ͪΌΜͱͨ͠ݴޠΛ࢖͍͑ͯΔօ͞ΜͳΒ໰୊ແ͍೉қ౓
   

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6. ʮͳͥJava౳ʹ͠ͳ͍ͷ͔ʁʯ
   w ʮͷέʔεͰ+BWB΄ͲΊΜͲʜ߽՚ͳඞཁ͕ͳ͍͔Βʯ
   w ۪௚ͳݴޠͳͷͰɺૉ௚ͳίʔυͳΒσόοά͕͠΍͍͢
   ʢ5ISFBEͱ͔$PSPVUJOFͱ͔ͳ͍ͷͰɺελοΫ͕γϯϓϧʣ
   w ೉ղͳϏϧυπʔϧ੔උ΍ίϯύΠϧ͕ෆཁͰ͋Δ
   w $PNQPTFS1BDLBHJTU͸.BWFOͱ͔/VHFUͱ͔ΑΓָʂʂʂʂ
   w ʮ೥લͷίʔυ͕ಈ͘͠ɺιʔε͕ඞͣಡΊΔʯ
   

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7. ਐԽͭͭ͋͠Δܕ
   w ෳࡶͳઃܭʹ଱͑ΒΕΔ͔ͬ͠Γͱͨ͠ݴޠ࢓༷ɺܕ
   w ʮ1)1͕͔ͬ͠Γͱͨ͠ݴޠʁʁʁʯ
   w ܕ΍Ϋϥεɺ&OVN౳վળɺ4QSFBE΍NBUDIࣜදݱྗͷ޲্
   w ੩తղੳ͕ڧ͘ޮ͘ݴޠઃܭͱɺͦΕΛऔΓר͘πʔϧ
   w ͜ͷ͋ͨΓ͸UBETBOͷൃදͰ΍ΔΜ͡Όͳ͍͔φʁʁ
   

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8. ʮͰ΋ΏΔ;ΘܕͰ͠ΐʁʯ
   w Ҿ਺΍ฦΓ஋Ͱ͸ɺࠓ͸5ZQF&SSPSͰఀࢭͰ͖·͢
   ɹɹdeclare(strict_types=1); // ๨Εͣʹ
   ɹɹ( fn(int $a) => print($a) )("1"); // TypeError!!
   PHP Fatal error: ....Uncaught TypeError: ... must be of type int, string given
   

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9. ੩తղੳΛ͔͓ͭ͏
   w ੩తղੳπʔϧ࢖͑͹array·ͰͰ͖ΔΜͰ͢Α
   w ݱ୅ͷ1)1͸ɺ੩తղੳͰೋาࡾาઌʹڧ͘ͳΕΔ
   

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10. ʮಈతʯ͸ٻΊΒΕ͍ͯͳ͍
    w new $class($param)໓ΜͰ΄͍͠ ݸਓͷײ૝
    
    w JGจͰݻΊͳ͘ͱ΋؆ܿʹݎ͘ॻ͘͜ͱ͕Ͱ͖Δݱ୅
    w 1010Ͱݎ͘ॻ͘ݶΓɺ͔ͬ͠Γͱͨ͠ίʔυ͕ॻ͚Δ
    w Ҿ͖ଓ͖ڐ͞ΕΔΏΔ;ΘίʔυͱΏΔ;ΘϑϨʔϜϫʔΫ
    w ͜ͷࠞࡏɾڥքΛͲ͏ཱ྆͢Δ͔͕ݱࡏͷ՝୊ͱࢥ͏
    
    w ੲ͸ ࠓ΋
    1FSM΍3VCZ͕ત·͔͕ͬͨ͠ࠓ͸ҧ͏
    
    

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11. ڧԽ͞Ε͍ͯΔ΋ͷ
    w Ҿ͖ଓ͖$PNQPTFS1BDLBHJTUͳͲΤίγεςϜ
    w &OVNɺ6/*0/ܕͳͲॊೈɾιϦουͳݴޠ΁ͷมԽ͔ͭ
    ಈతͳ෺ "UUSJCVUF౳
    ΋௥Ճʢ+BWB͍ݴޠʹͳΓͭͭ͋Δʣ
    w NBUDIࣜͱ͔ɺGO
    ͱ͔ɺTQSFBE΍SFBEPOMZͷ͓͠ΌΕ͞ ʁ
    
    w ྺ࢙తܦҢͷ࡟ݮʢ#$౳Λ൐͏Ϩϕϧͷվֵʣ
    w &'*ʢʮ1)1FSͩͬͯ$ϥΠϒϥϦୟ͖͍ͨΑͳʂʢʁʁʣʯʣ
    

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12. ਐԽ͠ͳ͍Ͱ͋Ζ͏΋ͷ
    w UISFBEɻωΠςΟϒεϨου͕ඞཁͳέʔε͕ͳ͍
    w ʢຊ෺ͷʣ4JOHMFUPOɺϓϩηεΛ·ͨ͛ͳ͍ͷͰ͜ͳͦ͏
    ʢ1SFGPSLϞσϧ͸ҡ࣋͞ΕΔͩΖ͏ʣ
    w ͨͩ͠ɺ$֦ுͰ͸ଘࡏ͠͏Δ͠ɺ͢Ͱʹ͋Δ
    w ࡢࠓ૿͑ͨɺόΠφϦσʔλͷૢ࡞
    w Ͱ͖ͳ͍Θ͚Ͱ͸ͳ͍͕ʜόΠφϦߏ଄ମ΄͍͠Ͷ
    

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13. ଍Γͳ͍΋ͷ
    w جຊతʹ͸ɺ 1SF
    GPSLͳͷͰʜ
    ݱ୅Ͱ͸ॏཁͳฒߦɾฒྻॲཧ͕·ͩෆಘҙ
    w ϥΠϒϥϦ͸͋Δ͕ɺσϑΝΫτ͕ͳ͍
    w ʢࠓೖΕͯ೥ϨϕϧͰ௕ੜ͖͢Δ͔͕ෆ໌ʣ
    w 'JCFS͕ೖͬͨͷͰɺࠓޙվળ͞Ε͍͔ͯ͘΋͠Εͳ͍
    

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14. ଍Γͳ͍΋ͷ̎
    w ʮIUUQEདྷͯ͘ΕʂίϯςφͰ໘౗ʂʯ "QBDIFQIQ΍QIQGQN
    
    w ͋Δʹ͸͋Δ
    w 4XPPMFɺ"NQɺ3FBDU ࣗݾIUUQE
    
    w 3PBE3VOOFS (P1SFGPSL
    
    w FUD FUD
    w ඇ७ਖ਼ͳΒ৭ʑ͋Δ
    

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15. ݴޠʮ֎ʯͷਐԽ
    w ଞݴޠಉ༷ʹ3FRVFTU3FTQPOTFΦϒδΣΫτ͕ීٴ
    w 143 EFGBDUPͱ͸ݴ͍ͮΒ͍͕ɺม׵Ͱ͖Δ΋ͷ͕ଟ͍
    
    w 84(*3BDL&YQSFTTతʹ
    ɺಠࣗ"QQ4FSWFS'8ͷ૬ޓޓ׵
    w ϓϩηεͰ/SFRΛ͞͹͘ɾ͚Δɺςετ͠΍͘͢ͳͬͨ
    
    w ແ࿦ɺݹ͍1)1ελΠϧͱ͸ܾผ͢Δඞཁ͸͋Δ
    ྫɿ$_GET, $_SESSION, echo ""ͷഉআ
    

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16. վળ͞ΕͨΤϥʔॲཧ
    w Τϥʔͱྫ֎ɺฦΓ஋ɺget_hoge_last_error౳͕
    ࠞͬͨࠞ͟ಱੈք͸ ֓ͶʜOPUશ෦
    ऴΘͬͨ
    w ྫ֎ػߏͰѻ͑Δ5ISPXBCMFʹ౷߹͞Εͨͭͭ͋Δ
    w ࠓͰ͸ɺେମ͸ྫ֎ɾΤϥʔΛద੾ʹѻ͑Δ
    w େن໛όον΍αʔόʔϓϩάϥϜΛॻ͚Δ
    w ʢ1%0ͷ%#࠶઀ଓपΓ͕΋͏গ͠੔උ͞Εͯ΄͍͠ͳʜʣ
    

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17. ࡢࠓେมͳϙΠϯτ
    w -54ෆࡏʢϚΠφʔόʔδϣϯ͸ϚΠφʔόʔδϣϯͰ͸ͳ͍ʣ
    w ΠέͯΔػೳ͸૿͑Δ͕ɺͲΜͲΜͱ#$౳͕ൃੜ͢Δ
    w ʮͪΌΜͱςετॻ͚͹0,ʯʮͦΕͳʯ
    w ௥͍͔͚͍ͯ͘ίετ͕ඞཁ &0-·Ͱʙ೥
    
    w ΑΓςελϒϧɺΑΓૄ݁߹ͳઃܭʹ͠ͳ͍ͱӬԕʹ͍ۤ͠
    w ʢૉ௚ͳίʔυͳΒͦ͜·ͰखؒͰ͸ͳ͍͕ʜ ຊ౰͔ʁ
    ʣ
    

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18. ·ͱΊ
    w ݻ͘ॊೈͰॻ͖΍͍͢ݴޠͱͯ͠ਐԽɺ
    ࠓޙ΋8FCܥͷϝδϟʔͨΓ͏Δ
    w ʮ৽ൃ໌ػೳʯ͸ແ͍ɻڭՊॻΈ͍ͨͳ001Ͱॻ͚͹ྑ͍
    w ෆ଍͸ଞͷݴޠ౳ͷྗΛआΓΕ͹ྑ͍ͱɺ
    օ͕ཧղͯ͠ੜ࢈ੑΛ࠶ධՁ͞Εͭͭ͋Δ ཉ໨ ئ๬
    
    w 1)1ͷʮෛ࠴ʯ͸ϨΨγʔίʔυͱʮେख'8৴ไओٛʯ
    ΑΓྑ͍ίʔυɾઃܭ͕Ͱ͖Δͱཧղ͠վળ͚ͭͮ͠Δਓ͕ඞཁ
    

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19. ҎԼ͸LTதʹɺಉ࣌ʹπΠʔτͯ͠
    ͍ͨςΩετͰ͢
    

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20. ۙ೥ʢ1)1ʣͷΦγϟϨจ๏Ұؾʹݟ͍ͨͳΒͪ͜Β
    େମΩϟονΞοϓͰ͖ΔΑʂ
    .PEFSO1)1c%JNJUSJPT-ZUSBT
    IUUQTEOMZUSBTDPNCMPHNPEFSOQIQ
    

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21. ࣍ੈ୅ʢ1)1ʣͷ࿩Έ͍ͨͳΒͪ͜Β
    ·͋ɺ༧ఆ͸ະఆ͚ͩͲͶʂ
    8IBUTOFXJO1)1TUJUDIFSJP
    IUUQTTUJUDIFSJPCMPHOFXJOQIQ
    

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22. ࠓޙདྷΔ͔΋͠Εͳ͍1)1ػೳ͸1)1SGDͰΈΕΔΑ
    དྷͯ΄͍͠ʂͱ͍͏ػೳ͕7PUF࢝·ΔͱفΔؾ࣋ͪʹͳΔΑ
    1)1SGD
    IUUQTXJLJQIQOFUSGD
    

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23. ʮ೔ຊͷίϛϡχςΟͬͯͲ͜ʁʯͱ͍͏ͱ࠷ۙͩͱҎԼͱ͔͋ΔΑ
    1)1Ϣʔβʔζ ೔ຊޠ
    
    IUUQTXXXNTOHJOGPBSDIJWFTQIQVTFSTKBPOTMBDLQIQ
    !1)1FS3PPN
    IUUQTUXJUUFSDPN1)1FS3PPN
    

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24. ݁ہ"QQ4FSWFS͕ͳ͍1)1΋࠷ۙ͸৭ʑ͋ΔΑ
    3PBE3VOOFSͱ͔ɺ"NQͱ͔ɺ4XPPMFܥͳͲ
    IUUQTSPBESVOOFSEFW
    IUUQTBNQIQPSHIUUQTFSWFS
    ʢ4XPPMF͸෼྾தͳͷͰάάͬͯ͆ʣ
    

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25. ϑϦʔμϜੈք΋ଞΛਅࣅͯ͠ʮඪ४ɾ׳शԽʯ͠Α͏ͱ͍ͯ͠ΔΑ
    ·͋Ͱ΋ެࣜͰ͸ͳ͍͠ɺօࣗ༝ʹ޷͖ͳ΋ͷΛ͔͍ͭͬͯΔΑ
    1)14UBOEBSET3FDPNNFOEBUJPOT1)1'*(
    IUUQTXXXQIQpHPSHQTS
    ʢݱ࣮తʹ͸ʮ4ZNGPOZϥΠϒϥϦʯ͕ن໿ʹ͍ۙؾ͕͢ΔΑ͆-BSBWFM΋ͦ͏ͩ
    ͠Ͷʣ
    

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26. 1)1ͷ੩తղੳ͸ิ׬ɺΤϥʔࢦఠ΍ࣗಈमਖ਼৭ʑ͋ΔΑ
    ྫ͑͹ҎԼ΍ଞ༷ʑ͋ΔΑ
    'JOE#VHT8JUIPVU8SJUJOH5FTUTc1)14UBOIUUQTQIQTUBOPSH
    1TBMNBTUBUJDBOBMZTJTUPPMGPS1)1IUUQTQTBMNEFW
    1IQ4UPSNIUUQTXXXKFUCSBJOTDPNKBKQQIQTUPSN
    1)1$PEJOH4UBOEBSET'JYFSIUUQTDTTZNGPOZDPN
    

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27. ࠷ۙͷ'8ʁ-BSBWFMڧ͍ΑͶɺ࠷ॳ͸ָ͔ͩΒͶɺͰ΋ଞ΋͋ΔΑʂ
    4MJN'SBNFXPSLIUUQTXXXTMJNGSBNFXPSLDPN
    4ZNGPOZIUUQTTZNGPOZDPN
    ;FOE'SBNFXPSLIUUQTGSBNFXPSL[FOEDPN
    $BLF1)1IUUQTDBLFQIQPSHKQ
    

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28. ΈΜͳϕϯν͸޷͖ͩΑͶɺ7FS্͕Δ͝ͱʹ଎͘ͳͬͯΔΑ
    IUUQTLJOTUBDPNKQCMPHQIQCFODINBSLT
    ͪͳΈʹ1)1͸ʮ΢ΣϒΞϓϦʯͳΒதʑ଎͍ΑɺOHY@QIQ࢖͍͍ͨ Ͳ͜Ͱʜ
    
    ʢҎԼͷϕϯνϚ͸͋ΔҙຯωλͱࢥͬͯΑ͍͕·͋໘ന͍ͷͰ͆ʣ
    5FDI&NQPXFS'SBNFXPSL#FODINBSLT
    IUUQTXXXUFDIFNQPXFSDPNCFODINBSLTTFDUJPOEBUB
    SIXQIUFTUGPSUVOF
    

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29. 1)1͸ϝδϟʔ͔ͩΒͶɺ"1.΋৭ʑ͋ΔΑɻ
    ࡢࠓ͸ӡ༻ΞϓϦͷΦϒβʔόϏϦςΟॏཁ΍Ͷʂ
    /FX3FMJDIUUQTOFXSFMJDDPNKQ
    #MBDLpSFJPIUUQTXXXCMBDLpSFJP
    ʢ%BUB%PH΋͍Δ͚Ͳɺ͋Μ·Γ1)1ͩͱݟͳ͍Ͷʁʣ
    

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30. ࠷ۙͷ1)1ϥΠϒϥϦΛ΢Υον͢ΔͳΒ͜ͷCPUͱ͔͍͍Α
    ·͋ࢲ͕ϝϯςͯ͠Δ#PUͳΜ͚ͩͲͶ͆͆
    ͍ΖΜͳύοέʔδ͕ੜ·Ε͍ͯΔͳʙͬͯࢥ͏Αʂ
    !DBMMVTFSGVOD5XJUUFSIUUQTUXJUUFSDPNDBMMVTFSGVOD
    

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31. ʮϥΠϒϥϦ͕΄͍͠ͳʯͬͯͳͬͨΒେखΛ·ͣݟͯΈΔͱ͍͍Αʂେମ͋Δ
    Αʂ
    େख͕͍͍ͷ͸ɺͪΌΜͱ৽͍͠7FSʹ௥ैͯ͘͠ΕΔॴͩͶʜ
    IUUQTUIFQIQMFBHVFDPN
    IUUQTTZNGPOZDPN
    IUUQTBVSBQIQDPN
    

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