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PHPΧϯϑΝϨϯε2017 PHPॳ৺ऀηογϣϯ ˌphpcon2017_4 ೔ຊPHPϢʔβձ ༗ݶձࣾΞϦ΢ʔϓ ദԬɹलஉ

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ΞδΣϯμ ࣗݾ঺հ PHPͷจ๏ ࣮ફฤ ͓·͚

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ࣗݾ঺հ ༗ݶձࣾΞϦ΢ʔϓ WEBγεςϜ։ൃɾDevOpsͷಋೖίϯαϧςΟϯά

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PHPͱ͸

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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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PHPͱ͸ WEB։ൃʹదͨ͠ݴޠ

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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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PHPͷ؀ڥ

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

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ͲΜͳ؀ڥͰ͸͡ΊΔ͔

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ϗεςΟϯά Ϩϯλϧαʔό

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AWS Microsoft Azure Google App Engine IBM Bluemix

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Ծ૝؀ڥ Vmware VirtualBox Docker

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खܰʹ͸͡ΊΔͳΒ XAMPP MAMP https://www.apachefriends.org/ https://www.mamp.info/

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αʔόʔ͍Βͣ cloud9 http://c9.io https://ide.c9.io/kashioka/test

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

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

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

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

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docker-compose.yml version: '3' services: php: image: php:7.1-alpine expose: - '8080' ports: - '8080:80' volumes: - ./apps:/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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σΟϨΫτϦ docker-compose.yml apps —>>͕͜͜dockerͱڞ༗͞Ε͍ͯΔʢϏϧτΠ ϯαʔόͷσΟϨΫτϦʣ ϩʔΧϧͷϑΝΠϧΛमਖ਼͢ΔͱdockerଆͰ࣮ߦՄ ೳ

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ىಈํ๏ ର৅σΟϨΫτϦʹҠಈͯ͠ docker-compose up -d ։࢝ docker-compose stop ऴྃ

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࣮ߦͯ͠ΈΔ

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

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PHPͷ֓ཁ

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

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PHPλά ɹPHPϞʔυ; HTMLͷλάͷΑ͏ͳΠϝʔδ;

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

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֦ுࢠ ϑΝΠϧ໊.php

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

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PHP͔ΒHTML΋ग़ྗ

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"; echo ""; echo "͜Ε͸PHPͰ͢"; echo ""; echo "

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݁߹ͨ͠Γܭࢉͨ͠Γ .(υοτʣΛ࢖ͬͯจࣈྻͷ݁߹͕Ͱ͖ ·͢ɻ ਺஋ͷԋࢉ͸+-*/ php7·Ͱ͸จࣈྻͷ਺ࣈͰ΋଍͠ࢉͰ ͖͍ͯͨɻ

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'; echo $a . $b; http://localhost:8888/sample4.php

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PHPͷؔ਺ εΫϦϓτݴޠͷؔ਺͸਌͠Έ΍͍͢ ͳΜͱͳؔ͘਺Λ͍֮͑ͯΕ͹OK if foreach strlen htmlspecialchars nl2br mb_convert_encording

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

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ຬͨ͢

ຬͨ͞ͳ͍

http://localhost:8888/div.php

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HTML૊ΈࠐΈܕͷαϯϓϧ Wordpressͷ৔߹ wp-content/themes/twentyseventeen/ header.php

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foreach

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htmlspecialchars ˍ"'<>ͱ͍ͬͨHTMLͰҙຯ͋ΔจࣈΛhtmlͷදࣔܗ ࣜʹม׵͢Δ = javascriptɺෆਖ਼ͳsql࣮ߦ౳ʹΑΔηΩϡϦςΟʔϦ εΫΛճආ͢Δɻ ೖྗ͞Εͨσʔλ͸ग़ྗ͢Δ௚લʹඞͣ htmlspecialcharsΛ௨͢

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

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ϑΝΠϧͷಡΈࠐΈ htmlͷྔ࢈ʹ΋ศར

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require_once

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஋Λऔಘ͢Δ ೖྗϑΥʔϜ͔Βೖྗ͞Εͨ஋ $_POST http://localhost:8888/get.php?id=123456 $_GET

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஋ͷऔಘ

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஋ͷ֬ೝ var_dump()

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

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

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͜Ε͘Β͍Θ͔Ε͹OK PHPͷΦϯϥΠϯϚχϡΞϧͷॆ࣮౓͕ੌ͍ PHPͷྺ࢙ ݴޠϦϑΝϨϯε

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αϯϓϧΞϓϦέʔγϣϯ

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࣮ફฤ λΠϜςʔϒϧΛͭ͘Δ

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CSVσʔλΛ࡞Δ ϓϩάϥϜͰѻ͏ͨΊʹ͸CSV(ΧϯϚ۠੾Γ)΍TSV(λ ϒ۠੾Γ)ͱ͍ͬͨσʔλ͕खؒΛল͚Δ ExcelͰ࡞੒Մೳ

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Tips MacͷExcelͷ৔߹վߦίʔυͷม׵͕ඞཁɻ Ұ୴ﬁle_get_contentsͳͲͰશ෦ಡΈࠐΜͰਖ਼نදݱͰ͔͑Δ ͳͲ Vi΍ίϚϯυϥΠϯͰม׵ͯ͠΋ྑ͍ :1,$ s/^M/¥r/g ͳͲ^M͸ctl+vͷޙʹctr+mͰೖྗ

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CSVΛಡΈࠐΉ ؔ਺໊͕Θ͔Βͳ͚Ε͹ͱΓ͋͑ͣݕࡧ

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

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αϯϓϧΛ࢖ͬͯΈΔ ಈ͔ͯ͠ΈΔ http://localhost:8888/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 Τϥʔ͕ͰΔͷͰcsvΛࠩ͠ସ͑ΔͱͲ͏ͳΔ͔

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ϚχϡΞϧͰௐ΂ͯΈΑ͏ Θ͔Βͳ͍ؔ਺Λӈ্ʹೖΕͯΈΔɻ

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ௐ΂ͯΈΔͱ 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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ͳΜͱͳ͘Θ͔ͬͨ

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ςʔϒϧͰදࣔͯ͠Έ·͠ΐ͏ɻ

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ςʔϒϧͷߏ଄ ಉ͡Α͏ͳ෦෼ΛϧʔϓͰදࣔͤ͞Δ

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৭ʑௐ੔ͯ͠ΈΑ͏ ߲໨Λ̐ͭදࣔ͢Δ ද߲ࣔ໨ʹ͸htmlspecialchars()Λ͔͚Δ http://localhost:8888/sample2/list.php

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αϯϓϧιʔε

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ίϯϕϯγϣϯϗʔϧηογϣϯ

ߜΓࠐΈɿ᳉ ക "; echo "". hsc($data[0])."\n"; echo "". hsc($data[1])."\n"; echo "". hsc($data[2])."\n"; echo "". hsc($data[3])."෼\n"; echo ""; } } fclose($handle); } ?>

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ϚχϡΞϧͱ஥ྑ͘ͳΖ͏

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֤஍Ͱ։࠵͞Ε͍ͯΔPHPΧ ϯϑΝϨϯε

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࠙਌ձ ଞͷ։ൃऀ΍εϐʔΧʔͱ௚઀࿩͢νϟϯε!

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

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·ͱΊ খ͍͞΋ͷͰ͍͍ͷͰॻ͍ͯݟ·͠ΐ͏ɻ ϚχϡΞϧ͕ศརͰ͢ɻ

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ͱʹ͔͘ॻ͍ͯΈΔʂ Ҏ্

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ ΧϯϑΝϨϯεΛָ͠ΜͰ͍ͩ͘͞ʂ ໌೔ͷ։ൃΧϯϑΝϨϯε  ˌ͔͋͢Μɹ 2018೥4݄։࠵༧ఆʂ

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

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