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PHP基础语法1
阅读量:275 次
发布时间:2019-03-01

本文共 1717 字,大约阅读时间需要 5 分钟。

PHP???Web????

PHP??

PHP?Hypertext Preprocessor????????????????????????????????????????Apache?MySQL???????LAMP???Linux?Apache?MySQL?PHP???????????????PHP????????Apache???????????Linux??????MySQL?????


Web?????

Web????????????

  • Web1.0??????????????????????
  • Web2.0????????????????????????????
  • Web3.0??????????????????????????

  • Web????

    Web??????????????

  • ?????????????????
  • ????????????????????
  • ???????????????????????????

  • ??Web???

    PHPStudy??

  • ??PHPStudy???????
  • PHPStudy??Apache?MySQL?PHP??????????????????
  • ????

    PHPStudy????????

    - C:\Program Files\PHPStudy\  ??? phpstudy  ??? wampserver  ??? php  ??? mysql  ??? phpmyadmin

    ????

  • ??PHPStudy?Apache?MySQL????????
  • ???????http://localhost?
  • ?????

  • ?www?????demo.php???
    1. ?????http://localhost/demo.php ? http://127.0.0.1/demo.php?

    2. ?????

      ??????

    3. ??httpd.conf?
    4. DocumentRoot "C:\web1"ServerName www.baidu.com
      1. ?????????????????????
      2. ??????

        ??vhosts.conf?

        DocumentRoot "C:\web1" ServerName www.baidu.com
        Options -Indexes -FollowSymLinks +ExecCGI AllowOverride All Order allow,deny Allow from all Require all granted

        PHP????

        PHP???

      3. ?????<?php ?>
      4. ????<? ?>???php.ini????
      5. ??

        • ?????// ? #
        • ?????/* */

        ????

        • echo????????????
        • print?????????
        • print_r??????
        • var_dump????????

        ??

        ??????

      6. ????? $?
      7. ????????????????
      8. ??????Aa?aa???
      9. ????

        • ????$a = 10; $b = $a;?$a?$b???
        • ?????$b = &$a;?$a?$b???????

        ??

        ?PHPStudy???????phpmyadmin?????????????????????????????

        DocumentRoot "D:\Application\php\PHPTutorial\WWW\phpMyAdmin" ServerName phpmyadmin.com
        Options -Indexes -FollowSymLinks +ExecCGI AllowOverride All Order allow,deny Allow from all Require all granted

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