PHPCON_TOKYO_2019_Bigginer.pdf

PHPカンファレンス 2019 初心者セッション
2019/12/1 ＠大田区産業プラザPiO
スライドの一部に古いデータが入っていました。すいません。

Transcript

1. PHPΧϯϑΝϨϯε2019
   PHPॳ৺ऀηογϣϯ
   #phpcon #Track5
   ೔ຊPHPϢʔβձ
   ༗ݶձࣾΞϦ΢ʔϓ
   ദԬɹलஉ
   

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2. ΞδΣϯμ
   ࣗݾ঺հ
   PHPͷจ๏
   ࣮ફฤ
   ͓·͚
   

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3. ࣗݾ঺հ
   ༗ݶձࣾΞϦ΢ʔϓɹऔక໾ࣾ௕
   WEBγεςϜ։ൃɺνʔϜϏϧσΟϯά
   DevOps,CIͷಋೖίϯαϧςΟϯά
   εΫϥϜϚελʔ
   

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4. ର৅ͱͳΔօ༷
   PHPॻ͍ͨ͜ͱແ͍
   ೖ໳ॻಡΜ͚ͩͲɺ్தͰ࠳ં
   ଞͷݴޠͰೖ໳ఔ౓
   

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5. ҠಈλΠϜ
   

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6. PHPͱ͸
   

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7. PHPͱ͸
   PHP is a popular general-purpose scripting language
   that is especially suited to web development. Fast,
   flexible and pragmatic, PHP powers everything from
   your blog to the most popular websites in the world.
   http://php.net/ΑΓ
   

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8. PHPͱ͸
   WEB։ൃʹదͨ͠ݴޠ
   

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9. PHPͷྺ࢙
   1994೥ʹRasmus͕ΦϯϥΠϯͰެ։͍ͯ͠Δܦྺॻ
   ͷΞΫηεཤྺΛௐ΂ΔͨΊʹ࢖ΘΕ͍ͯ·ͨ͠
   ൴͸ͦͷεΫϦϓτ܈ΛʮPersonal Home Page
   Toolsʯͱ໊෇͚·ͨ͠ɻ
   http://php.net/manual/ja/history.php.php
   

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10. PHPͷsoftware
    

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11. EC-CUBE͸גࣜձࣾΠʔγʔΩϡʔϒͷ঎ඪͰ͢
    

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12. PHPͷ؀ڥ
    

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13. LAMP
    LAPP
    LEMP
    Linux Apache
    MySQL PHP
    Linux Apache
    Postgre PHP
    Linux Nginx
    MySQL PHP
    ݺͼํ͸
    OS+Web Server+Database+Script
    WAMPͱ͔LAMRɺMERNͱ͔΋ݕࡧͰ͸͋Γ·ͨ͠ɻ
    

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14. ͲΜͳ؀ڥͰ͸͡ΊΔ͔
    

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15. ϗεςΟϯά
    Ϩϯλϧαʔό
    

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16. AWS
    Azure
    GCP
    ͦͷଞ
    

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17. ϩʔΧϧ
    XAMPP
    MAMP
    

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18. aws cloud9
    ͔ͭͯ͸ಠཱͨ͠αʔϏεɻ
    ݱࡏ͸AWSʹ౷߹͞Εͨɻ
    ౦ژϦʔδϣϯ͸αϙʔτ͞Ε͍ͯͳ͍
    AWSͷ஌͕ࣝඞཁ
    ϦϞʔταʔό΁΋઀ଓͰ͖Δ
    http://c9.io
    

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19. Docker
    https://www.docker.com/
    Windows,MacରԠ
    

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20. Docker
    https://hub.docker.com/_/php/
    

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21. docker compose
    ෳ਺ͷίϯςφΛ؅ཧͰ͖Δɻ
    https://docs.docker.com/compose/gettingstarted/
    

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22. DockerʹΑΔ։ൃ؀ڥ
    docker-composeΛ࢖༻͢Δ৔߹
    dockerͷΠϯετʔϧ
    docker-compose.ymlͷ࡞੒
    dockerͷىಈ
    

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23. docker-compose.yml
    version: '3'
    services:
    php:
    image: php:7.4.0-fpm-alpine3.10
    expose:
    - '8080'
    ports:
    - '8080:80'
    volumes:
    - ./phpapps:/home/www-data
    working_dir: /home/www-data
    command: php -S 0.0.0.0:80
    docker
    Πϝʔδ໊
    ެ։ϙʔτ
    ϗετଆͱίϯς
    φͷϙʔτ
    ϘϦϡʔϜͷϚ΢ϯτ
    ίϚϯυͷ࣮ߦ

    ϏϧτΠϯαʔό
    

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24. σΟϨΫτϦߏ੒
    docker-compose.yml
    apps —>>͕͜͜dockerͱڞ༗͞Ε͍ͯΔʢϏϧτΠ
    ϯαʔόͷσΟϨΫτϦʣ
    ϩʔΧϧͷϑΝΠϧΛमਖ਼͢ΔͱdockerଆͰ࣮ߦՄ
    ೳ
    

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25. ىಈํ๏
    ର৅σΟϨΫτϦʹҠಈͯ͠
    docker-compose up -d ։࢝
    docker-compose stopऴྃ
    

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26. ࣮ߦͯ͠Έ·͠ΐ͏ɻ
    index.phpΛ࡞੒ͯ֬͠ೝͯ͠Έ·͠ΐ͏
    http://localhost:8888
    

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28. ؀ڥ͸͙͢ʹͰ͖·͢ɻ
    ࢼͯ͠Έ·͠ΐ͏ɻ
    ※ձ৔಺Ͱͷμ΢ϯϩʔυ͸͝ԕྀ͍ͩ͘͞
    

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29. PHPͷ֓ཁ
    

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30. PHPͷجຊ
    PHPͷจ๏͸௚ײతͰ͢ɻ
    ଞͷݴޠΛ΍͍ͬͯͳ͍ํ͕ށ࿭͍·ͤΜɻ
    WEBߏஙʹ࠷దͳݴޠͰ͢ɻ
    ࣌ʹ࣮຿Ͱ࢖͏ʹ͸৭ʑग़͖ͯ·͢
    ※ݸਓͷײ૝Ͱ͢
    

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31. PHPλά
    ɹPHPϞʔυ;
    HTMLͷλάͷΑ͏ͳΠϝʔδ;
    

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32. 
    
    echo "͜Μʹͪ͸";
    ?>
    
    
    Ұ൪͔ΜͨΜͳαϯϓϧ
    http://localhost:8888/1st.php
    

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33. 
    
    
    
    
    Ұ൪͔ΜͨΜͳαϯϓϧ
    http://localhost:8888/1st.php
    

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34. ֦ுࢠ
    ϑΝΠϧ໊.php
    

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35. ߏจ
    ม਺͸$Ͱ࢝·Δ;
    จ຤͸;ͰऴΘΔ
    ܕએݴͳͲ͸ݫີʹߦΘͳͯ͘OK͕ͩޙʑ
    ໘౗……
    ؆୯ͳαϯϓϧΛݟͯΈ·͠ΐ͏
    

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36. 
    $a = '͜Μʹͪ͸';
    
    echo $a;
    

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37. PHP͔ΒHTML΋ग़ྗ
    

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38. 
    echo "";
    
    echo "";
    
    echo "͜Ε͸PHPͰ͢";
    
    echo "";
    
    echo "";
    http://localhost:8888/sample0.php
    

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39. $a = “A” . “B”;
    $b = 1 + 2;
    μϒϧίʔςʔγϣϯ͸ด͡ͳͯ͘OK
    ଍ͨ͠Γ݁߹ͨ͠Γ
    

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40. $a = “A”;
    $b = “B”;
    $c = $a . $b;
    ม਺஋͕਺ࣈͳΒԋࢉ΋Մೳ
    ม਺Ͱ΋݁߹
    

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41. $a = "phpcon";
    $b = 2017;
    echo $a . ($b + 2);
    http://localhost:8888/sample2.php
    

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42. PHPͷؔ਺
    if
    foreach
    strlen
    htmlspecialchars
    nl2br
    mb_convert_encording
    

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43. if ʙ else (endif)
    ৚݅൑ఆΛߦ͏
    ৚݅Λຬͨ͢ຬͨ͞ͳ͍ͷ൑அΛߦ͏
    

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44. if($a) {
    echo '৚݅Λຬͨ͢';
    } else {
    echo '৚݅Λຬͨ͞ͳ͍';
    }
    

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45. 
    
    ຬͨ͢
    
    ຬͨ͞ͳ͍
    
    
    

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46. ͲΜͳ࣌ʹ࢖͏͔
    ೖྗ஋͕༧૝ͱҧ͏
    औಘͨ͠஋ʹΑͬͯॲཧΛ੾Γ෼͚Δ
    

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47. HTML૊ΈࠐΈܕͷαϯϓϧ
    WordPressͷ৔߹
    wp-content/themes/twentynineteen/
    header.php
    

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48. ܁Γฦ͠ॲཧ
    

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49. foreach
    $numbers = array('2','3','4','5','6');
    foreach($numbers as $val) {
    echo $val;
    }
    http://localhost:8080/sample5.php
    

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50. htmlspecialchars
    ˍ"'<>ͱ͍ͬͨHTMLͰҙຯ͋ΔจࣈΛhtmlͷදࣔܗࣜʹม
    ׵͢Δ =
    javascriptɺෆਖ਼ͳsql࣮ߦ౳ʹΑΔηΩϡϦςΟʔϦεΫΛ
    ճආ͢Δɻ
    ೖྗ͞Εͨσʔλ͸ग़ྗ͢Δ௚લʹඞͣhtmlspecialchars
    Λ௨͢
    ϑϨʔϜϫʔΫΛ࢖͍ͬͯͯ΋֬ೝ͠·͠ΐ͏ɻ
    

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51. htmlspecialchars
    $new ="Test";
    echo $new;
    $new ="Test";
    echo htmlspecialchars($new,ENT_QUOTES);
    http://localhost:8888/sample3.php
    HTML͕ղऍ͞ΕΔ
    

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52. ϑΝΠϧͷಡΈࠐΈ
    htmlͷྔ࢈ʹ΋ศར
    

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53. require_once
    require_once('header.html');
    require_once('body.php');
    require_once('footer.html');
    http://localhost:8888/require.php
    

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54. ஋Λऔಘ͢Δ
    ೖྗϑΥʔϜ͔Βೖྗ͞Εͨ஋
    $_POST
    http://localhost:8888/get.php?id=123456
    $_GET
    Կ͕ೖͬͯ͘Δ͔Θ͔Βͳ͍ͷͰར༻·Ͱʹ஫ҙ͢Δʂ
    όϦσʔγϣϯ΍DBઐ༻ͷΤεέʔϓॲཧɺϓϦϖΞʔυε
    ςʔτϝϯτͳͲ
    

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55. ஋ͷऔಘ
    echo $_GET['id'];
    echo $_POST['id'];
    ࣮ࡍ͸htmlspecialchars()ͨ͠Γ
    

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56. ஋ͷ֬ೝ
    var_dump()
    http://localhost:8888/get.php?id=1
    

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57. ؔ਺
    ܁Γฦ͞ΕΔॲཧΛڞ௨Խ
    function ؔ਺໊([Ҿ਺,,,]) {
    }
    ͳΜͲ΋ग़ͯ͘ΔॲཧΛؔ਺Խ͓ͯ͘͠ɻ
    

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58. ؔ਺αϯϓϧ
    function hsp($str) {
    return htmlspecialchars($str,ENT_QUOTES);
    }
    function add1($num = 0) {
    return $num + 1;
    }
    

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59. ͜Ε͘Β͍Θ͔Ε͹OK
    ࣍͸Ϋϥεͷѻ͍ͳͲΛษڧ͠·͠ΐ͏
    PHPͷΦϯϥΠϯϚχϡΞϧͷॆ࣮౓͕ੌ͍
    PHPͷྺ࢙
    ݴޠϦϑΝϨϯε
    

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60. ࣍ͷҰา
    

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61. PHPΞϓϦέʔγϣϯΛ
    Πϯετʔϧͯ͠ΈΔ
    WordPress
    Drupal
    EC-Cube
    Xoops
    

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62. ϑϨʔϜϫʔΫΛ
    ࢖ͬͯΈΑ͏
    Laraval
    CakePHP
    Symphony
    

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63. ࣮ફฤ
    CSVϑΝΠϧΛಡΈࠐΜͰදࣔ͢ΔϓϩάϥϜΛ࡞Δ
    

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64. ࡐྉ
    ։ൃ؀ڥ
    ͓޷͖ͳΤσΟλ
    php.net ϚχϡΞϧ
    CSVϑΝΠϧ
    

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65. CSVΛಡΈࠐΉ
    ؔ਺໊͕Θ͔Βͳ͚Ε͹ͱΓ͋͑ͣݕࡧ
    

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66. fgetcsvͬͯͷ͕ݟ͔ͭͬͨ
    http://php.net/manual/ja/function.fgetcsv.php
    ͕Μ͹ͬͯಡΉͱΘ͔Δ
    Θ͔Βͳ͚Ε͹αϯϓϧΛ
    

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67. php.net ΑΓ
    

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68. php.net ΑΓ
    

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69. ϚχϡΞϧͰௐ΂ͯΈΑ͏
    Θ͔Βͳ͍ؔ਺Λӈ্ʹೖΕͯΈΔɻ
    

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70. ྫΛಡΜͰΈΔ
    fopen — ϑΝΠϧ·ͨ͸ URL ΛΦʔϓϯ͢Δ
    whileϧʔϓ͸ɺPHPͰ࠷΋؆୯ͳλΠϓͷϧʔϓͰ͢ɻ
    count — ม਺ʹؚ·ΕΔ͢΂ͯͷཁૉɺ ͋Δ͍͸Φϒ
    δΣΫτʹؚ·ΕΔԿ͔ͷ਺Λ਺͑Δ
    fclose — Φʔϓϯ͞ΕͨϑΝΠϧϙΠϯλΛΫϩʔζ͢Δ
    ͜ΕΛ౿·͑ͯ
    

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71. ͳΜͱͳ͘Θ͔ͬͨ
    

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72. αϯϓϧΛ࢖ͬͯΈΔ
    ಈ͔ͯ͠ΈΔ
    http://localhost:8080/sample1/list.php
    Warning: fopen(test.csv): failed to open stream: No such
    file or directory in /home/www-data/sample1/
    list.php on line 3
    Τϥʔ͕ͰΔͷͰcsvϑΝΠϧΛஔ͍ͯΈ·͠ΐ͏ɻ
    

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73. CSVσʔλΛ࡞Δ
    "෦԰","λΠτϧ","։࢝࣌ࠁ","࣌ؒ"
    "ക","LaravelͰTDDΛମݧ͠Α͏","11:00","60"
    "ക","PHP,Go,ElasticsearchʹΑΔɺ@cosmeΛ5ഒ଎͘͢ΔऔΓ૊Έ","13:00","25"
    "ക","ΞʔΩςΫνϟઃܭͱUXઃܭ͸ಉ͡ͳͷ͔!!??","13:35","25"
    "ക","Laravel × ϨΠϠʔυΞʔΩςΫνϟΛ࣮ફͯ͠ಘΒΕͨ஌ݟͱ൓ল","14:00","25"
    "᳉","ಠཱͨ͠ίΞϨΠϠύλʔϯʹΑΔ PHP ΞϓϦέʔγϣϯͷ࣮૷","11:00","60"
    "᳉","VOYAGEͷΤϯδχΞධՁ੍౓ͬͯͲΜͳײ͡ͳͷ͔25෼Ͱϛχ࠶ԋ","13:00","25"
    "᳉","PHPΛબͿཧ༝","13:35","25"
    test.csv
    

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74. ϑΝΠϧΛஔ͍࣮ͯߦͯ͠Έ·͠ΐ͏
    

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76. ςʔϒϧͰදࣔͯ͠Έ·͠ΐ
    ͏ɻ
    

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77. ςʔϒϧͷߏ଄
    ಉ͡Α͏ͳ෦෼ΛϧʔϓͰදࣔͤ͞Δ
    

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79. ৭ʑௐ੔ͯ͠ΈΑ͏
    දࣔ͢Δ߲໨Λબ୒͢Δ
    ද߲ࣔ໨ʹ͸htmlspecialchars()Λ͔͚Δ
    ߜΓࠐΈΛೖΕΔ
    http://localhost:8080/sample2/list.php
    

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80. αϯϓϧιʔε
    

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81. ίϯϕϯγϣϯϗʔϧηογϣϯ
    ߜΓࠐΈɿ᳉
    ക
    
    if (($handle = fopen("timetable2.csv", "r")) !== FALSE) {
    while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
    if ($_GET['room'] === $data[0] ) {
    echo "";
    echo "". hsc($data[0])."\n";
    echo "". hsc($data[1])."\n";
    echo "". hsc($data[2])."\n";
    echo "". hsc($data[3])."෼\n";
    echo "";
    }
    }
    fclose($handle);
    }
    ?>
    
    function hsc($str) {
    return htmlspecialchars($str,ENT_QUOTES);
    }
    ?>
    

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83. ϚχϡΞϧͱ஥ྑ͘ͳΖ͏
    

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84. ࠙਌ձ
    ଞͷ։ൃऀ΍εϐʔΧʔͱ௚઀࿩͢νϟϯε!
    

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85. ͓קΊॻ੶
    ʮ͍ͪ͹Μ΍͍͞͠PHPͷڭຊʯࢲ͕ॻ͍͍ͯ·͢ɻ
    ͍·ԿΛ࡞͍ͬͯΔͷ͔Λߟ͑Δ
    

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86. ·ͱΊ
    PHPͷ؀ڥΛ࡞ͬͯΈ·͠ΐ͏ɻ
    PHPΞϓϦέʔγϣϯΛΠϯετʔϧͯ͠Έ·͠ΐ͏
    ؆୯ͳϓϩάϥϜΛॻ͍ͯΈ·͠ΐ͏ɻ
    ϑϨʔϜϫʔΫͷνϡʔτϦΞϧΛͯ͠Έ·͠ΐ͏ɻ
    ΞϓϦͷΧελϚΠζΛͯ͠Έ·͠ΐ͏ɻ
    

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87. ͥͻ͓ࢼ͍ͩ͘͠͞ʂ
    

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88. ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ
    ΧϯϑΝϨϯεΛָ͠ΜͰ͍ͩ͘͞ʂ
    ໌೔ͷ։ൃΧϯϑΝϨϯε
    ΞεΧϯτʔΫφΠτɹ
    ΞεΧϯτʔΫφΠτͰݕࡧʂ
    12/6։࠵༧ఆʂ
    

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89. PHPॳ৺ऀηογϣϯ
    ༗ݶձࣾΞϦ΢ʔϓ
    ദԬɹलஉ
    twitter,facebook
    @kashioka
    

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