What does php request mean?
request means "request" in Chinese and is a global variable in PHP. It is an array containing "$_POST", "$_GET" and "$_COOKIE". The "$_REQUEST" variable can obtain data and COOKIE information submitted by POST or GET.
The operating environment of this tutorial: windows7 system, PHP8 version, DELL G3 computer
There are in PHP The two global variables $_POST and $_GET can be used to obtain the data submitted by the form through POST or GET respectively. But in the actual development process, what should we do when we don’t know how the form submits data?
PHP provides a $_REQUEST global variable, which is a global variable that contains $_POST, $_GET and $_COOKIE array, the array structure is similar to $_POST and $_GET.
That is to say, whether the data is submitted using POST or GET, you can use $_REQUEST to obtain it, or even use $_REQUEST to obtain it## Information about #COOKIE.
request_order attribute was introduced in PHP5.3. We can modify the value of the request_order attribute in the php.ini configuration file. Controls what is contained in $_REQUEST.
request_order="GP", which does not include C. That is to say, $_REQUEST does not contain COOKIE information. If we want $_REQUEST to contain COOKIE, we need Modify it to request_order="GPC".
[Example] Use $_REQUEST to receive the data passed in the form
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
</head>
<body>
<p>------------------------get------------------------</p>
<form action="index.php" method="get">
姓名：<input type="text" name="name" placeholder="请输入姓名"><br>
性别：<input type="radio" name="sex" value="男">男
<input type="radio" name="sex" value="女">女<br>
爱好：<input type="checkbox" name="hobby[]" value="read">阅读
<input type="checkbox" name="hobby[]" value="travel">旅游
<input type="checkbox" name="hobby[]" value="sport">运动
<input type="checkbox" name="hobby[]" value="internet">上网<br>
职业：<select name="job">
<option value="coder">程序员</option>
<option value="teacher">教师</option>
<option value="doctor">医生</option>
<option value="other">其它</option>
</select><br>
<input type="submit" value="提交">  <input type="reset" value="重置">
</form>
<p>------------------------post------------------------</p>
<form action="index.php" method="post">
姓名：<input type="text" name="name" placeholder="请输入姓名"><br>
性别：<input type="radio" name="sex" value="男">男
<input type="radio" name="sex" value="女">女<br>
爱好：<input type="checkbox" name="hobby[]" value="read">阅读
<input type="checkbox" name="hobby[]" value="travel">旅游
<input type="checkbox" name="hobby[]" value="sport">运动
<input type="checkbox" name="hobby[]" value="internet">上网<br>
职业：<select name="job">
<option value="coder">程序员</option>
<option value="teacher">教师</option>
<option value="doctor">医生</option>
<option value="other">其它</option>
</select><br>
<input type="submit" value="提交">  <input type="reset" value="重置">
</form>
</body>
</html>
<?php
if(!empty($_REQUEST)){
echo '提交成功！<br><pre class="brush:php;toolbar:false">';
var_dump($_REQUEST);
}
?>PHP Video Tutorial"
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