简体中文（ZH-CN）English（EN）繁体中文（ZH-TW）日本語（JA）한국어（KO）Melayu（MS）Français（FR）Deutsch（DE）
Home
Article
Q&A
Course
Topic
Download
Game
Dictionary
Recent Updates

Home  >  Article  >  php教程  >  php应用路径变量问题总结

php应用路径变量问题总结

WBOY
WBOYOriginal
2016-06-13 11:30:471227browse

本地服务器，域名http://d.com，根路径D:\phpnow\vhosts\d.com.yii，相对根目录拥有文件/x.php代码里requeir_once /a/a.php，而/a/a.php又requeir_once /a/b/b.php

/x.php

$_SERVER["HTTP_HOST"]：【d.com】//当前请求的 Host:即域名信信息

$_SERVER["PHP_SELF"]：【】//
$_SERVER["SCRIPT_NAME"]：【/x.php】//
$_SERVER["SCRIPT_FILENAME"]：【D:/phpnow/vhosts/d.com.yii/x.php】//。
__FILE__ ：【】//。

$_SERVER["REQUEST_URI"]：【/x.php/x/y/z.html?a=b&c=d】//url请求中包括/和之后的所有内容。
$_SERVER["QUERY_STRING"]：【a=b&c=d】//url请求中?之后的内容。

$_SERVER["DOCUMENT_ROOT"]：【D:/phpnow/vhosts/d.com.yii】//文档根目录。在服务器配置文件中定义

basename($_SERVER["PHP_SELF"])：【】//的
basename($_SERVER["SCRIPT_NAME"])：【x.php】//的
basename($_SERVER["SCRIPT_FILENAME"])：【x.php】//的
basename(__FILE__)：【】//的

dirname($_SERVER["PHP_SELF"])：【】//的
dirname($_SERVER["SCRIPT_NAME"])：【\】//的
dirname($_SERVER["SCRIPT_FILENAME"])：【D:/phpnow/vhosts/d.com.yii】//的
dirname(__FILE__)：【】//的

require_once /a/a.php

$_SERVER["HTTP_HOST"]：【d.com】//当前请求的 Host:即域名信信息

$_SERVER["PHP_SELF"]：【】//
$_SERVER["SCRIPT_NAME"]：【/x.php】//
$_SERVER["SCRIPT_FILENAME"]：【D:/phpnow/vhosts/d.com.yii/x.php】//。
__FILE__ ：【】//。

$_SERVER["REQUEST_URI"]：【/x.php/x/y/z.html?a=b&c=d】//url请求中包括/和之后的所有内容。
$_SERVER["QUERY_STRING"]：【a=b&c=d】//url请求中?之后的内容。

$_SERVER["DOCUMENT_ROOT"]：【D:/phpnow/vhosts/d.com.yii】//文档根目录。在服务器配置文件中定义

basename($_SERVER["PHP_SELF"])：【】//的
basename($_SERVER["SCRIPT_NAME"])：【x.php】//的
basename($_SERVER["SCRIPT_FILENAME"])：【x.php】//的
basename(__FILE__)：【】//的

dirname($_SERVER["PHP_SELF"])：【】//的
dirname($_SERVER["SCRIPT_NAME"])：【\】//的
dirname($_SERVER["SCRIPT_FILENAME"])：【D:/phpnow/vhosts/d.com.yii】//的
dirname(__FILE__)：【】//的

require_once /a/b/b.php

$_SERVER["HTTP_HOST"]：【d.com】//当前请求的 Host:即域名信信息

$_SERVER["PHP_SELF"]：【】//
$_SERVER["SCRIPT_NAME"]：【/x.php】//
$_SERVER["SCRIPT_FILENAME"]：【D:/phpnow/vhosts/d.com.yii/x.php】//。
__FILE__ ：【】//。

$_SERVER["REQUEST_URI"]：【/x.php/x/y/z.html?a=b&c=d】//url请求中包括/和之后的所有内容。
$_SERVER["QUERY_STRING"]：【a=b&c=d】//url请求中?之后的内容。

$_SERVER["DOCUMENT_ROOT"]：【D:/phpnow/vhosts/d.com.yii】//文档根目录。在服务器配置文件中定义

basename($_SERVER["PHP_SELF"])：【】//的
basename($_SERVER["SCRIPT_NAME"])：【x.php】//的
basename($_SERVER["SCRIPT_FILENAME"])：【x.php】//的
basename(__FILE__)：【】//的

dirname($_SERVER["PHP_SELF"])：【】//的
dirname($_SERVER["SCRIPT_NAME"])：【\】//的
dirname($_SERVER["SCRIPT_FILENAME"])：【D:/phpnow/vhosts/d.com.yii】//的
dirname(__FILE__)：【】//的

/a/a.php

$_SERVER["HTTP_HOST"]：【d.com】//当前请求的 Host:即域名信信息

$_SERVER["PHP_SELF"]：【】//
$_SERVER["SCRIPT_NAME"]：【/a/a.php】//
$_SERVER["SCRIPT_FILENAME"]：【D:/phpnow/vhosts/d.com.yii/a/a.php】//。
__FILE__ ：【】//。

$_SERVER["REQUEST_URI"]：【/a/a.php/x/y/z.html?a=b&c=d】//url请求中包括/和之后的所有内容。
$_SERVER["QUERY_STRING"]：【a=b&c=d】//url请求中?之后的内容。

$_SERVER["DOCUMENT_ROOT"]：【D:/phpnow/vhosts/d.com.yii】//文档根目录。在服务器配置文件中定义

basename($_SERVER["PHP_SELF"])：【】//的
basename($_SERVER["SCRIPT_NAME"])：【a.php】//的
basename($_SERVER["SCRIPT_FILENAME"])：【a.php】//的
basename(__FILE__)：【】//的

dirname($_SERVER["PHP_SELF"])：【】//的
dirname($_SERVER["SCRIPT_NAME"])：【/a】//的
dirname($_SERVER["SCRIPT_FILENAME"])：【D:/phpnow/vhosts/d.com.yii/a】//的
dirname(__FILE__)：【】//的

require_once /a/b/b.php

$_SERVER["HTTP_HOST"]：【d.com】//当前请求的 Host:即域名信信息

$_SERVER["PHP_SELF"]：【】//
$_SERVER["SCRIPT_NAME"]：【/a/a.php】//
$_SERVER["SCRIPT_FILENAME"]：【D:/phpnow/vhosts/d.com.yii/a/a.php】//。
__FILE__ ：【】//。

$_SERVER["REQUEST_URI"]：【/a/a.php/x/y/z.html?a=b&c=d】//url请求中包括/和之后的所有内容。
$_SERVER["QUERY_STRING"]：【a=b&c=d】//url请求中?之后的内容。

$_SERVER["DOCUMENT_ROOT"]：【D:/phpnow/vhosts/d.com.yii】//文档根目录。在服务器配置文件中定义

basename($_SERVER["PHP_SELF"])：【】//的
basename($_SERVER["SCRIPT_NAME"])：【a.php】//的
basename($_SERVER["SCRIPT_FILENAME"])：【a.php】//的
basename(__FILE__)：【】//的

dirname($_SERVER["PHP_SELF"])：【】//的
dirname($_SERVER["SCRIPT_NAME"])：【/a】//的
dirname($_SERVER["SCRIPT_FILENAME"])：【D:/phpnow/vhosts/d.com.yii/a】//的
dirname(__FILE__)：【】//的

/x.php

<?<span php
</span><span echo</span> "<br/>/x.php<hr/>"<span ;

</span><span echo</span> '$_SERVER["HTTP_HOST"]：【',<span $_SERVER</span>['HTTP_HOST'],"】//当前请求的 Host:即域名信信息","<br/>"<span ;
</span><span echo</span> '<br/>'<span ;
</span><span echo</span> '$_SERVER["PHP_SELF"]：【<font color="#EE00EE">',<span $_SERVER</span>['PHP_SELF'],"</font>】//<font color='green'>请求执行文件的</font><font color='red'>相对</font><font color='blue'>地址</font>","<br/>"<span ;
</span><span echo</span> '$_SERVER["SCRIPT_NAME"]：【',<span $_SERVER</span>['SCRIPT_NAME'],"】//<font color='green'>实际执行文件</font><font color='red'>相对</font><font color='blue'>地址</font>","<br/>"<span ;
</span><span echo</span> '$_SERVER["SCRIPT_FILENAME"]：【',<span $_SERVER</span>['SCRIPT_FILENAME'],"】//<font color='green'>实际执行文件的</font><font color='red'>绝对</font><font color='blue'>路径</font>。","<br/>"<span ;
</span><span echo</span> '__FILE__ ：【<font color="#EE00EE">',<span __FILE__</span> ,"</font>】//<font color='green'>实际执行代码的</font><font color='red'>绝对</font><font color='blue'>路径</font>。","<br/>"<span ;
</span><span echo</span> '<br/>'<span ;
</span><span echo</span> '$_SERVER["REQUEST_URI"]：【',<span $_SERVER</span>['REQUEST_URI'],"】//url请求中包括/和之后的所有内容。","<br/>"<span ;
</span><span echo</span> '$_SERVER["QUERY_STRING"]：【',<span $_SERVER</span>['QUERY_STRING'],"】//url请求中?之后的内容。","<br/>"<span ;
</span><span echo</span> '<br/>'<span ;
</span><span echo</span> '$_SERVER["DOCUMENT_ROOT"]：【',<span $_SERVER</span>['DOCUMENT_ROOT'],"】//文档根目录。在服务器配置文件中定义","<br/>"<span ;
</span><span echo</span> "<br/>"<span ;


</span><span echo</span> 'basename($_SERVER["PHP_SELF"])：【<font color="#EE00EE">',<span basename</span>(<span $_SERVER</span>['PHP_SELF']),"</font>】//<font color='green'>请求执行文件的</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span echo</span> 'basename($_SERVER["SCRIPT_NAME"])：【',<span basename</span>(<span $_SERVER</span>['SCRIPT_NAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span echo</span> 'basename($_SERVER["SCRIPT_FILENAME"])：【',<span basename</span>(<span $_SERVER</span>['SCRIPT_FILENAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span echo</span> 'basename(__FILE__)：【<font color="#EE00EE">',<span basename</span>(<span __FILE__</span>),"</font>】//<font color='green'>实际执行代码</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span //</span><span echo 'basename($_SERVER["ORIG_SCRIPT_NAME"])：【',basename($_SERVER['ORIG_SCRIPT_NAME']),"】//如果PHP通过CGI来运行，这个变量的值就是/Php/Php.exe 如果Apache将PHP脚本作为模块来运行，该变量的值应该是/Phptest.php","<br/>";</span>
<span echo</span> "<br/>"<span ;


</span><span echo</span> 'dirname($_SERVER["PHP_SELF"])：【<font color="#EE00EE">',<span dirname</span>(<span $_SERVER</span>['PHP_SELF']),"</font>】//<font color='green'>请求执行文件的</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span echo</span> 'dirname($_SERVER["SCRIPT_NAME"])：【',<span dirname</span>(<span $_SERVER</span>['SCRIPT_NAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span echo</span> 'dirname($_SERVER["SCRIPT_FILENAME"])：【',<span dirname</span>(<span $_SERVER</span>['SCRIPT_FILENAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span echo</span> 'dirname(__FILE__)：【<font color="#EE00EE">',<span dirname</span>(<span __FILE__</span>),"</font>】//<font color='green'>实际执行代码</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span //</span><span echo 'dirname($_SERVER["ORIG_SCRIPT_NAME"])：【',dirname($_SERVER['ORIG_SCRIPT_NAME']),"】//如果PHP通过CGI来运行，这个变量的值就是/Php/Php.exe 如果Apache将PHP脚本作为模块来运行，该变量的值应该是/Phptest.php","<br/>";</span>
<span echo</span> "<br/>"<span ;

</span><span echo</span> "require_once "<span ;
</span><span require_once</span>("a/a.php");

/a/a.php

<?<span php
</span><span echo</span> "/a/a.php<hr/>"<span ;

</span><span echo</span> '$_SERVER["HTTP_HOST"]：【',<span $_SERVER</span>['HTTP_HOST'],"】//当前请求的 Host:即域名信信息","<br/>"<span ;
</span><span echo</span> '<br/>'<span ;
</span><span echo</span> '$_SERVER["PHP_SELF"]：【<font color="#EE00EE">',<span $_SERVER</span>['PHP_SELF'],"</font>】//<font color='green'>请求执行文件的</font><font color='red'>相对</font><font color='blue'>地址</font>","<br/>"<span ;
</span><span echo</span> '$_SERVER["SCRIPT_NAME"]：【',<span $_SERVER</span>['SCRIPT_NAME'],"】//<font color='green'>实际执行文件</font><font color='red'>相对</font><font color='blue'>地址</font>","<br/>"<span ;
</span><span echo</span> '$_SERVER["SCRIPT_FILENAME"]：【',<span $_SERVER</span>['SCRIPT_FILENAME'],"】//<font color='green'>实际执行文件的</font><font color='red'>绝对</font><font color='blue'>路径</font>。","<br/>"<span ;
</span><span echo</span> '__FILE__ ：【<font color="#EE00EE">',<span __FILE__</span> ,"</font>】//<font color='green'>实际执行代码的</font><font color='red'>绝对</font><font color='blue'>路径</font>。","<br/>"<span ;
</span><span echo</span> '<br/>'<span ;
</span><span echo</span> '$_SERVER["REQUEST_URI"]：【',<span $_SERVER</span>['REQUEST_URI'],"】//url请求中包括/和之后的所有内容。","<br/>"<span ;
</span><span echo</span> '$_SERVER["QUERY_STRING"]：【',<span $_SERVER</span>['QUERY_STRING'],"】//url请求中?之后的内容。","<br/>"<span ;
</span><span echo</span> '<br/>'<span ;
</span><span echo</span> '$_SERVER["DOCUMENT_ROOT"]：【',<span $_SERVER</span>['DOCUMENT_ROOT'],"】//文档根目录。在服务器配置文件中定义","<br/>"<span ;
</span><span echo</span> "<br/>"<span ;


</span><span echo</span> 'basename($_SERVER["PHP_SELF"])：【<font color="#EE00EE">',<span basename</span>(<span $_SERVER</span>['PHP_SELF']),"</font>】//<font color='green'>请求执行文件的</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span echo</span> 'basename($_SERVER["SCRIPT_NAME"])：【',<span basename</span>(<span $_SERVER</span>['SCRIPT_NAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span echo</span> 'basename($_SERVER["SCRIPT_FILENAME"])：【',<span basename</span>(<span $_SERVER</span>['SCRIPT_FILENAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span echo</span> 'basename(__FILE__)：【<font color="#EE00EE">',<span basename</span>(<span __FILE__</span>),"</font>】//<font color='green'>实际执行代码</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span //</span><span echo 'basename($_SERVER["ORIG_SCRIPT_NAME"])：【',basename($_SERVER['ORIG_SCRIPT_NAME']),"】//如果PHP通过CGI来运行，这个变量的值就是/Php/Php.exe 如果Apache将PHP脚本作为模块来运行，该变量的值应该是/Phptest.php","<br/>";</span>
<span echo</span> "<br/>"<span ;


</span><span echo</span> 'dirname($_SERVER["PHP_SELF"])：【<font color="#EE00EE">',<span dirname</span>(<span $_SERVER</span>['PHP_SELF']),"</font>】//<font color='green'>请求执行文件的</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span echo</span> 'dirname($_SERVER["SCRIPT_NAME"])：【',<span dirname</span>(<span $_SERVER</span>['SCRIPT_NAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span echo</span> 'dirname($_SERVER["SCRIPT_FILENAME"])：【',<span dirname</span>(<span $_SERVER</span>['SCRIPT_FILENAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span echo</span> 'dirname(__FILE__)：【<font color="#EE00EE">',<span dirname</span>(<span __FILE__</span>),"</font>】//<font color='green'>实际执行代码</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span //</span><span echo 'dirname($_SERVER["ORIG_SCRIPT_NAME"])：【',dirname($_SERVER['ORIG_SCRIPT_NAME']),"】//如果PHP通过CGI来运行，这个变量的值就是/Php/Php.exe 如果Apache将PHP脚本作为模块来运行，该变量的值应该是/Phptest.php","<br/>";</span>
<span echo</span> "<br/>"<span ;

</span><span echo</span> "require_once "<span ;
</span><span require_once</span>("b/b.php");

/a/b/php

<?<span php
</span><span echo</span> "/a/b/b.php<hr/>"<span ;

</span><span echo</span> '$_SERVER["HTTP_HOST"]：【',<span $_SERVER</span>['HTTP_HOST'],"】//当前请求的 Host:即域名信信息","<br/>"<span ;
</span><span echo</span> '<br/>'<span ;
</span><span echo</span> '$_SERVER["PHP_SELF"]：【<font color="#EE00EE">',<span $_SERVER</span>['PHP_SELF'],"</font>】//<font color='green'>请求执行文件的</font><font color='red'>相对</font><font color='blue'>地址</font>","<br/>"<span ;
</span><span echo</span> '$_SERVER["SCRIPT_NAME"]：【',<span $_SERVER</span>['SCRIPT_NAME'],"】//<font color='green'>实际执行文件</font><font color='red'>相对</font><font color='blue'>地址</font>","<br/>"<span ;
</span><span echo</span> '$_SERVER["SCRIPT_FILENAME"]：【',<span $_SERVER</span>['SCRIPT_FILENAME'],"】//<font color='green'>实际执行文件的</font><font color='red'>绝对</font><font color='blue'>路径</font>。","<br/>"<span ;
</span><span echo</span> '__FILE__ ：【<font color="#EE00EE">',<span __FILE__</span> ,"</font>】//<font color='green'>实际执行代码的</font><font color='red'>绝对</font><font color='blue'>路径</font>。","<br/>"<span ;
</span><span echo</span> '<br/>'<span ;
</span><span echo</span> '$_SERVER["REQUEST_URI"]：【',<span $_SERVER</span>['REQUEST_URI'],"】//url请求中包括/和之后的所有内容。","<br/>"<span ;
</span><span echo</span> '$_SERVER["QUERY_STRING"]：【',<span $_SERVER</span>['QUERY_STRING'],"】//url请求中?之后的内容。","<br/>"<span ;
</span><span echo</span> '<br/>'<span ;
</span><span echo</span> '$_SERVER["DOCUMENT_ROOT"]：【',<span $_SERVER</span>['DOCUMENT_ROOT'],"】//文档根目录。在服务器配置文件中定义","<br/>"<span ;
</span><span echo</span> "<br/>"<span ;


</span><span echo</span> 'basename($_SERVER["PHP_SELF"])：【<font color="#EE00EE">',<span basename</span>(<span $_SERVER</span>['PHP_SELF']),"</font>】//<font color='green'>请求执行文件的</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span echo</span> 'basename($_SERVER["SCRIPT_NAME"])：【',<span basename</span>(<span $_SERVER</span>['SCRIPT_NAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span echo</span> 'basename($_SERVER["SCRIPT_FILENAME"])：【',<span basename</span>(<span $_SERVER</span>['SCRIPT_FILENAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span echo</span> 'basename(__FILE__)：【<font color="#EE00EE">',<span basename</span>(<span __FILE__</span>),"</font>】//<font color='green'>实际执行代码</font>的<font color='blue'>文件名</font>","<br/>"<span ;
</span><span //</span><span echo 'basename($_SERVER["ORIG_SCRIPT_NAME"])：【',basename($_SERVER['ORIG_SCRIPT_NAME']),"】//如果PHP通过CGI来运行，这个变量的值就是/Php/Php.exe 如果Apache将PHP脚本作为模块来运行，该变量的值应该是/Phptest.php","<br/>";</span>
<span echo</span> "<br/>"<span ;


</span><span echo</span> 'dirname($_SERVER["PHP_SELF"])：【<font color="#EE00EE">',<span dirname</span>(<span $_SERVER</span>['PHP_SELF']),"</font>】//<font color='green'>请求执行文件的</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span echo</span> 'dirname($_SERVER["SCRIPT_NAME"])：【',<span dirname</span>(<span $_SERVER</span>['SCRIPT_NAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span echo</span> 'dirname($_SERVER["SCRIPT_FILENAME"])：【',<span dirname</span>(<span $_SERVER</span>['SCRIPT_FILENAME']),"】//<font color='green'>实际执行文件</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span echo</span> 'dirname(__FILE__)：【<font color="#EE00EE">',<span dirname</span>(<span __FILE__</span>),"</font>】//<font color='green'>实际执行代码</font>的<font color='blue'>所在目录</font>","<br/>"<span ;
</span><span //</span><span echo 'dirname($_SERVER["ORIG_SCRIPT_NAME"])：【',dirname($_SERVER['ORIG_SCRIPT_NAME']),"】//如果PHP通过CGI来运行，这个变量的值就是/Php/Php.exe 如果Apache将PHP脚本作为模块来运行，该变量的值应该是/Phptest.php","<br/>";</span>
<span echo</span> "<br/>";

 

Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：如何配置Eclipse php xdebug（附代码）Next article：php取整的几种方法

Related articles

See more