php?$_REQUEST
<?php$_GET['foo'] = 'a';$_POST['bar'] = 'b';var_dump($_GET);var_dump($_POST);echo "<br>";var_dump($_REQUEST); // 内容没有包含 'foo' or 'bar'?>
$_REQUEST ? HTTP Request 变量 说明 默认情况下包含了 $_GET，$_POST 和 $_COOKIE 的数组。
var_dump($_REQUEST); // 内容没有包含 'foo' or 'bar'?
回复讨论(解决方案)
$_REQUEST、$_GET、$_POST 保存的都是传入的数据
在代码中赋值的不算
这个测试告诉我们request是php初始化的独立变量，并非实时从get或post变量读取
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