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  • 详解 $_SERVER 函数中QUERY_STRING和REQUEST_URI区别

    实例:

    1,http://localhost/aaa/ (打开aaa中的index.php)
    结果:
    $_SERVER['QUERY_STRING'] = "";
    $_SERVER['REQUEST_URI']  = "/aaa/";
    $_SERVER['SCRIPT_NAME']  = "/aaa/index.php";
    $_SERVER['PHP_SELF']     = "/aaa/index.php";

    2,http://localhost/aaa/?p=222 (附带查询)
    结果:
    $_SERVER['QUERY_STRING'] = "p=222";
    $_SERVER['REQUEST_URI']  = "/aaa/?p=222";
    $_SERVER['SCRIPT_NAME']  = "/aaa/index.php";
    $_SERVER['PHP_SELF']     = "/aaa/index.php";

    3,http://localhost/aaa/index.php?p=222&q=333
    结果:
    $_SERVER['QUERY_STRING'] = "p=222&q=333";
    $_SERVER['REQUEST_URI']  = "/aaa/index.php?p=222&q=333";
    $_SERVER['SCRIPT_NAME']  = "/aaa/index.php";
    $_SERVER['PHP_SELF']     = "/aaa/index.php";

    由实例可知:
    $_SERVER["QUERY_STRING"]  获取查询 语句,实例中可知,获取的是?后面的值
    $_SERVER["REQUEST_URI"]   获取 http://localhost 后面的值,包括/
    $_SERVER["SCRIPT_NAME"]   获取当前脚本的路径,如:index.php
    $_SERVER["PHP_SELF"]      当前正在执行脚本的文件名

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  • 原文地址:https://www.cnblogs.com/sanwenyu/p/4573943.html
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