PHP学习日记(1)-PHP快速入门

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Release: 2016-06-23 13:09:19
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1.1通过FORM表单提交数据

  index.html

  

    

    

  

  通过表单会跳转至test.php页面,并且会通过post方式把表单数据一起传过去。

  test.php

  

  $username=$_POST['username'];

  echo $username;

  ?>

  $_POST是超级全局变量,通过POST方法传递给该脚本的变量数组。

  其他超级全局变量:

  $GLBALS 所有全局变量数组

  $_GET 通过GET方法传递给该脚本的变量数组

  $_COOKIE cookie变量数组

  $_FILES 与文件上传相关的变量数组

  $_ENV 环境变量数组

  $_REQUEST 所有用户输入的变量数组

  $_SESSIOIN 会话变量数组

1.2 可变变量

  $a="b";

  $b="zzz";

  echo $$a;  //相当于$b

source:php.cn
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