zen cart中一条语句的用法

WBOY
Release: 2016-06-23 14:25:00
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在zencart公共配置文件中出现以下代码,请求看一下!有没有人认识这到底是做什么用的!

$contaminated = (isset($_FILES['GLOBALS']) || isset($_REQUEST['GLOBALS'])) ? true : false;

麻烦说的详细点!高结分!


回复讨论(解决方案)

当传入的参数中含有名为 GLOBALS 的项时,$contaminated 就为 真

这种是三元表达式
$contaminated = (isset($_FILES['GLOBALS']) || isset($_REQUEST['GLOBALS'])) ? true : false;
相当于
if(isset($_FILES['GLOBALS']) || isset($_REQUEST['GLOBALS'])){
    $contaminated = true;
}else{
    $contaminated = false;
}

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