PHPCON_TOKYO_2019_Bigginer.pdf

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

ΞδΣϯμ ࣗݾ঺հ PHPͷจ๏ ࣮ફฤ ͓·͚

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

ର৅ͱͳΔօ༷ PHPॻ͍ͨ͜ͱແ͍ ೖ໳ॻಡΜ͚ͩͲɺ్தͰ࠳ં ଞͷݴޠͰೖ໳ఔ౓

ҠಈλΠϜ

PHPͱ͸

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

PHPͱ͸ WEB։ൃʹదͨ͠ݴޠ

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

PHPͷsoftware

EC-CUBE͸גࣜձࣾΠʔγʔΩϡʔϒͷ঎ඪͰ͢

PHPͷ؀ڥ

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

ͲΜͳ؀ڥͰ͸͡ΊΔ͔

ϗεςΟϯά Ϩϯλϧαʔό

AWS Azure GCP ͦͷଞ

ϩʔΧϧ XAMPP MAMP

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

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

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

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

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

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

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

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

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

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

PHPͷ֓ཁ

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

PHPλά <?php ?>ɹPHPϞʔυ; HTMLͷλάͷΑ͏ͳΠϝʔδ;

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

֦ுࢠ ϑΝΠϧ໊.php

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

<?php $a = '͜Μʹͪ͸'; echo $a;

PHP͔ΒHTML΋ग़ྗ

<?php echo "<html>"; echo "<body>"; echo "͜Ε͸PHPͰ͢"; echo "</body>"; echo
"</html>"; http://localhost:8888/sample0.php

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

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

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

PHPͷؔ਺ if foreach strlen htmlspecialchars nl2br mb_convert_encording

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

<?php if($a) { echo '৚݅Λຬͨ͢'; } else { echo '৚݅Λຬͨ͞ͳ͍';
}

ͲΜͳ࣌ʹ࢖͏͔ ೖྗ஋͕༧૝ͱҧ͏ औಘͨ͠஋ʹΑͬͯॲཧΛ੾Γ෼͚Δ

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

܁Γฦ͠ॲཧ

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

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

htmlspecialchars <?php $new ="<a href='test'>Test</a>"; echo $new; <?php $new ="<a
href='test'>Test</a>"; echo htmlspecialchars($new,ENT_QUOTES); http://localhost:8888/sample3.php HTML͕ղऍ͞ΕΔ

ϑΝΠϧͷಡΈࠐΈ htmlͷྔ࢈ʹ΋ศར

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

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

஋ͷऔಘ <?php echo $_GET['id']; echo $_POST['id']; ࣮ࡍ͸htmlspecialchars()ͨ͠Γ

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

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

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

͜Ε͘Β͍Θ͔Ε͹OK ࣍͸Ϋϥεͷѻ͍ͳͲΛษڧ͠·͠ΐ͏ PHPͷΦϯϥΠϯϚχϡΞϧͷॆ࣮౓͕ੌ͍ PHPͷྺ࢙ ݴޠϦϑΝϨϯε

࣍ͷҰา

PHPΞϓϦέʔγϣϯΛ Πϯετʔϧͯ͠ΈΔ WordPress Drupal EC-Cube Xoops

ϑϨʔϜϫʔΫΛ ࢖ͬͯΈΑ͏ Laraval CakePHP Symphony

࣮ફฤ CSVϑΝΠϧΛಡΈࠐΜͰදࣔ͢ΔϓϩάϥϜΛ࡞Δ

ࡐྉ ։ൃ؀ڥ ͓޷͖ͳΤσΟλ php.net ϚχϡΞϧ CSVϑΝΠϧ

CSVΛಡΈࠐΉ ؔ਺໊͕Θ͔Βͳ͚Ε͹ͱΓ͋͑ͣݕࡧ

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

php.net ΑΓ

ϚχϡΞϧͰௐ΂ͯΈΑ͏ Θ͔Βͳ͍ؔ਺Λӈ্ʹೖΕͯΈΔɻ

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

ͳΜͱͳ͘Θ͔ͬͨ

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

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

ϑΝΠϧΛஔ͍࣮ͯߦͯ͠Έ·͠ΐ͏

ςʔϒϧͰදࣔͯ͠Έ·͠ΐ ͏ɻ

ςʔϒϧͷߏ଄ ಉ͡Α͏ͳ෦෼ΛϧʔϓͰදࣔͤ͞Δ

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

αϯϓϧιʔε

<h1>ίϯϕϯγϣϯϗʔϧηογϣϯ</h1> ߜΓࠐΈɿ<a href="list2.php?room=᳉">᳉</a> <a href="list2.php?room=ക">ക</a> <table border=1> <?php if (($handle
= fopen("timetable2.csv", "r")) !== FALSE) { while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) { if ($_GET['room'] === $data[0] ) { echo "<tr>"; echo "<td>". hsc($data[0])."</td>\n"; echo "<td>". hsc($data[1])."</td>\n"; echo "<td>". hsc($data[2])."</td>\n"; echo "<td>". hsc($data[3])."෼</td>\n"; echo "</tr>"; } } fclose($handle); } ?> </table> <?php function hsc($str) { return htmlspecialchars($str,ENT_QUOTES); } ?>

ϚχϡΞϧͱ஥ྑ͘ͳΖ͏

࠙਌ձ ଞͷ։ൃऀ΍εϐʔΧʔͱ௚઀࿩͢νϟϯε!

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

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

ͥͻ͓ࢼ͍ͩ͘͠͞ʂ

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

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

PHPCON_TOKYO_2019_Bigginer.pdf

PHPCON_TOKYO_2019_Bigginer.pdf

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