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 $_REQUEST to receive the data passed in the form
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> </head> <body> <p>------------------------get------------------------</p> <form action="index.php" method="get"> 姓名:<input type="text" name="name" placeholder="請輸入姓名"><br> 性別:<input type="radio" name="sex" value="男">男 <input type="radio" name="sex" value="女">女<br> 愛好:<input type="checkbox" name="hobby[]" value="read">閱讀 <input type="checkbox" name="hobby[]" value="travel">旅游 <input type="checkbox" name="hobby[]" value="sport">運動 <input type="checkbox" name="hobby[]" value="internet">上網(wǎng)<br> 職業(yè):<select name="job"> <option value="coder">程序員</option> <option value="teacher">教師</option> <option value="doctor">醫(yī)生</option> <option value="other">其它</option> </select><br> <input type="submit" value="提交">  <input type="reset" value="重置"> </form> <p>------------------------post------------------------</p> <form action="index.php" method="post"> 姓名:<input type="text" name="name" placeholder="請輸入姓名"><br> 性別:<input type="radio" name="sex" value="男">男 <input type="radio" name="sex" value="女">女<br> 愛好:<input type="checkbox" name="hobby[]" value="read">閱讀 <input type="checkbox" name="hobby[]" value="travel">旅游 <input type="checkbox" name="hobby[]" value="sport">運動 <input type="checkbox" name="hobby[]" value="internet">上網(wǎng)<br> 職業(yè):<select name="job"> <option value="coder">程序員</option> <option value="teacher">教師</option> <option value="doctor">醫(yī)生</option> <option value="other">其它</option> </select><br> <input type="submit" value="提交">  <input type="reset" value="重置"> </form> </body> </html> <?php if(!empty($_REQUEST)){ echo '提交成功!<br><pre class="brush:php;toolbar:false">'; var_dump($_REQUEST); } ?>Run the above code, no matter which submission method is selected, use $_REQUEST The information passed by the form can be successfully received. Recommended learning: "
PHP Video Tutorial"
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