How to receive data from form in php?

PHP The data submitted by the form can be obtained through the POST and GET methods.
The obtained POST and GET are values ​​in the form of array, which need to be obtained in detail through key values. The corresponding value

For example: index.php page
The following is the POST method

<form name="form1" method="post" action="index.php">
<input type="text" name="contents" value="">
<input type="submit" value="提交">
</form>

<?php
//获取表单提交的数据
$contents = $_POST[&#39;contents&#39;];
echo $contents;
?>

It can also be the following is the GET method

<form name="form1" method="get" action="index.php">
<input type="text" name="contents" value="">
<input type="submit" value="提交">
</form>

<?php
//获取表单提交的数据
$contents = $_GET[&#39;contents&#39;];
echo $contents;
?>

POST is relative to GET The method is better, can submit a large amount of data, and is more safer.

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