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How to get form submitted data in PHP

(*-*)浩
(*-*)浩Original
2019-09-20 11:37:105023browse

How PHP gets the data submitted by the form

How to get form submitted data in PHP

##1. Super global array variable: $_GET[]

Description: Get the data submitted by form method = “get”

Example: $username = $_GET[“username”];

2. Super global array variable: $_POST[] (Recommended learning: PHP programming from entry to proficiency)

Description: Get form method = "post" Submit Data

Example: $username = $_POST[“username”];

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML>
 <HEAD>
  <TITLE> New Document </TITLE>
  <META name="Generator" content="EditPlus">
  <META name="Author" content="">
  <META name="Keywords" content="">
  <META name="Description" content="">
  <style type="text/css">
  </style>
  <script type="text/javascript">
  </script>
 </HEAD>
 
 <BODY>
  <?php
  var_dump($_POST);  //超全局变量，$_GET  $POST  (数组类型)
if(isset($_POST["ac"]) && $_POST["ac"]=="login")  //防止灌水，判断表单确实是自己的表单
{
	$username=$_POST["username"];
	$userpwd=$_POST["userpwd"];
	echo("用户名是：{$username},密码是：{$userpwd}");
}
  ?>
 
  <form name="form1" method="post" action="">
用户名：<input type="text" name="username" />
密码：<input type="password" name="userpwd" />
<input type="hidden" name="ac" value="login" />
<input type="submit" value="提交表单" />
  </form>
 </BODY>
</HTML>

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