php包括打印1 [英] php include prints 1

问题描述

我编写以下代码

<?php 
if ($id = mysql_real_escape_string(@$_GET['pid']) 
    && $uid = mysql_real_escape_string(@$_GET['file']))
       echo include "foo.php"; 
    else 
       echo include "bar.php"; 
?>

当我将include函数与旨在输出到页面的函数结合使用时(例如，或echo include'foo.php')，它将返回include，但在已包含的内容之后带有"1"包括在内.

When I use the include function in conjunction with a function that's designed to output to the page (e.g., or echo include 'foo.php'), it returns the include but with a "1" after the content that has been included.

推荐答案

echo include "foo.php"

应该是

include 'foo.php';

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