PHP Application Path Variable problem summary _php tutorial

Local server, domain name http://d.com, root path D:\phpnow\vhosts\d.com.yii, relative root directory owning file/x.php code requeir_once/a/a.php, and/a/ a.php and requeir_once/a/b/b.php .

/x.php

$_server["Http_host"]: "d.com"//HOST of the current request: that is, the domain name letter information

$_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 all content included in/and after the request.
$_server["Query_string"]: "A=b&c=d"//url the content after the request.

$_server["Document_root"]: "D:/phpnow/vhosts/d.com.yii"//Document root directory. Defined in the server configuration file

BaseName ($_server["Php_self"]): "< span="">"// < span=""> the< span="">
BaseName ($_server["Script_name"]): "x.php"// < span="">< span="">
BaseName ($_server["Script_filename"]): "x.php"// < span="">< span="">
BaseName (__file__): "< span="">"// < span="">< span="">

DirName ($_server["Php_self"]):< span="">""// < span="">< span="">
DirName ($_server["Script_name"]): "\"// < span="">< span="">
DirName ($_server["Script_filename"]): "D:/phpnow/vhosts/d.com.yii"// < span="">< span="">
DirName (__file__): "< span="">"// < span="">< span="">

require_once/a/a.php

$_server["Http_host"]: "d.com"//HOST of the current request: that is, the domain name letter information

$_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 all content included in/and after the request.
$_server["Query_string"]: "A=b&c=d"//url the content after the request.

$_server["Document_root"]: "D:/phpnow/vhosts/d.com.yii"//Document root directory. Defined in the server configuration file

BaseName ($_server["Php_self"]): "< span="">"// < span=""> the< span="">
BaseName ($_server["Script_name"]): "x.php"// < span="">< span="">
BaseName ($_server["Script_filename"]): "x.php"// < span="">< span="">
BaseName (__file__): "< span="">"// < span="">< span="">

DirName ($_server["Php_self"]):< span="">""// < span="">< span="">
DirName ($_server["Script_name"]): "\"// < span="">< span="">
DirName ($_server["Script_filename"]): "D:/phpnow/vhosts/d.com.yii"// < span="">< span="">
DirName (__file__): "< span="">"// < span="">< span="">

require_once/a/b/b.php

$_server["Http_host"]: "d.com"//HOST of the current request: that is, the domain name letter information

$_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 all content included in/and after the request.
$_server["Query_string"]: "A=b&c=d"//url the content after the request.

$_server["Document_root"]: "D:/phpnow/vhosts/d.com.yii"//Document root directory. Defined in the server configuration file

BaseName ($_server["Php_self"]): "< span="">"// < span=""> the< span="">
BaseName ($_server["Script_name"]): "x.php"// < span="">< span="">
BaseName ($_server["Script_filename"]): "x.php"// < span="">< span="">
BaseName (__file__): "< span="">"// < span="">< span="">

DirName ($_server["Php_self"]):< span="">""// < span="">< span="">
DirName ($_server["Script_name"]): "\"// < span="">< span="">
DirName ($_server["Script_filename"]): "D:/phpnow/vhosts/d.com.yii"// < span="">< span="">
DirName (__file__): "< span="">"// < span="">< span="">

< span="">

/a/a.php

$_server["Http_host"]: "d.com"//HOST of the current request: that is, the domain name letter information

$_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 all content included in/and after the request.
$_server["Query_string"]: "A=b&c=d"//url the content after the request.

$_server["Document_root"]: "D:/phpnow/vhosts/d.com.yii"//Document root directory. Defined in the server configuration file

BaseName ($_server["Php_self"]): "< span="">"// < span=""> the< span="">
BaseName ($_server["Script_name"]): "a.php"// < span="">< span="">
BaseName ($_server["Script_filename"]): "a.php"// < span="">< span="">
BaseName (__file__): "< span="">"// < span="">< span="">

DirName ($_server["Php_self"]):< span="">""// < span="">< span="">
DirName ($_server["Script_name"]): "/A"/ < span=""> /< span="">
DirName ($_server["Script_filename"]): "d:/phpnow/vhosts/d.com.yii/a"// < span="">< span="">
DirName (__file__): "< span="">"// < span="">< span="">

require_once/a/b/b.php

$_server["Http_host"]: "d.com"//HOST of the current request: that is, the domain name letter information

$_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 all content included in/and after the request.
$_server["Query_string"]: "A=b&c=d"//url the content after the request.

$_server["Document_root"]: "D:/phpnow/vhosts/d.com.yii"//Document root directory. Defined in the server configuration file

BaseName ($_server["Php_self"]): "< span="">"// < span=""> the< span="">
BaseName ($_server["Script_name"]): "a.php"// < span="">< span="">
BaseName ($_server["Script_filename"]): "a.php"// < span="">< span="">
BaseName (__file__): "< span="">"// < span="">< span="">

DirName ($_server["Php_self"]):< span="">""// < span="">< span="">
DirName ($_server["Script_name"]): "/A"/ < span=""> /< span="">
DirName ($_server["Script_filename"]): "d:/phpnow/vhosts/d.com.yii/a"// < span="">< span="">
DirName (__file__): "< span="">"// < span="">< span="">

< span="">

/x.php

  "
/x.php
   
    
   "' $_server[' Http_host "]:" ',[' Http_host '], ""///Current request HOST: i.e. domain name letter information ","
"'
'' $_server[' php_self "]:" ',[' Php_self '], ""//the relative address of the request execution file ","
"' $_server[' Script_name "]:" ',[' Script_name '], ""//actual execution file relative address ","
"' $_server[' Script_filename "]:" ',[' Script_filename '], ""//absolute path to the actual execution of the file. ","
"' __file__: ',, ""//The absolute path of the actual execution code. ","
"'
'' $_server[' Request_uri "]:" ',[' Request_uri '], ""//url all content included/and after the request. ","
"' $_server[' query_string "]:" ',[' Query_string '], ""//url the content after the request. ","
"'
'' $_server[' Document_root "]:" ',[' Document_root '], ""//Document root directory. In the server configuration file, define the ","
""
"' BaseName ($_server["Php_self"]): "',([' php_self ']), ""//file name of the requested executable, "
"' BaseName ($_server["Script_name"]): "',([' Script_name ']), ""//The file name of the actual executable, "
"' BaseName ($_server["Script_filename"]): "',([' Script_filename ']), ""//The file name of the actual executable, "
"' BaseName (__file__): "',(), ""///The file name of the actual execution code, "
"< span="">
";"
"' DirName ($_server["Php_self"]): "', ([' php_self ']), ""//directory where the requested execution file is located "," 
 "
                                                           
                                                            ' dirname ($_server["Script_name"]): "',  ([' Script_name ' ]), ""//directory where the actual execution file is located "," 
 "
                                                              
                                                                ' dirname ($_server[" Script_filename "]):" ',  ([' script_filename ']), ""//directory where the actual executable file is located, "
" 
                                                                   
                                                                    ' dirname (__file__): "',  ()," "//directory where the actual execution code is located", "
" 
                                                                      
                                                                         ";  
                                                                        "
" 
                                                                        
                                                                          "require_once" 
                                                                          
                                                                            ("a /a.php ")  
                                                                           
                                                                         
                                                                         
                                                                     
                                                                 
                                                              

/a/a.php

  "/a/a.php
   
    
   "' $_server[' Http_host "]:" ',[' Http_host '], ""///Current request HOST: i.e. domain name letter information ","
"'
'' $_server[' php_self "]:" ',[' Php_self '], ""//the relative address of the request execution file ","
"' $_server[' Script_name "]:" ',[' Script_name '], ""//actual execution file relative address ","
"' $_server[' Script_filename "]:" ',[' Script_filename '], ""//absolute path to the actual execution of the file. ","
"' __file__: ',, ""//The absolute path of the actual execution code. ","
"'
'' $_server[' Request_uri "]:" ',[' Request_uri '], ""//url all content included/and after the request. ","
"' $_server[' query_string "]:" ',[' Query_string '], ""//url the content after the request. ","
"'
'' $_server[' Document_root "]:" ',[' Document_root '], ""//Document root directory. In the server configuration file, define the ","
""
"' BaseName ($_server["Php_self"]): "',([' php_self ']), ""//file name of the requested executable, "
"' BaseName ($_server["Script_name"]): "',([' Script_name ']), ""//The file name of the actual executable, "
"' BaseName ($_server["Script_filename"]): "',([' Script_filename ']), ""//The file name of the actual executable, "
"' BaseName (__file__): "',(), ""///The file name of the actual execution code, "
"< span="">
";"
"' DirName ($_server["Php_self"]): "', ([' php_self ']), ""//directory where the requested execution file is located "," 
 "
                                                           
                                                            ' dirname ($_server["Script_name"]): "',  ([' Script_name ' ]), ""//directory where the actual execution file is located "," 
 "
                                                              
                                                                ' dirname ($_server[" Script_filename "]):" ',  ([' script_filename ']), ""//directory where the actual executable file is located, "
" 
                                                                   
                                                                    ' dirname (__file__): "',  ()," "//directory where the actual execution code is located", "
" 
                                                                      
                                                                         ";  
                                                                        "
" 
                                                                        
                                                                          "require_once" 
                                                                          
                                                                            ("b /b.php ")  
                                                                           
                                                                         
                                                                         
                                                                     
                                                                 
                                                              

/a/b/php

  "/a/b/b.php
   
    
   "' $_server[' Http_host "]:" ',[' Http_host '], ""///Current request HOST: i.e. domain name letter information ","
"'
'' $_server[' php_self "]:" ',[' Php_self '], ""//the relative address of the request execution file ","
"' $_server[' Script_name "]:" ',[' Script_name '], ""//actual execution file relative address ","
"' $_server[' Script_filename "]:" ',[' Script_filename '], ""//absolute path to the actual execution of the file. ","
"' __file__: ',, ""//The absolute path of the actual execution code. ","
"'
'' $_server[' Request_uri "]:" ',[' Request_uri '], ""//url all content included/and after the request. ","
"' $_server[' query_string "]:" ',[' Query_string '], ""//url the content after the request. ","
"'
'' $_server[' Document_root "]:" ',[' Document_root '], ""//Document root directory. In the server configuration file, define the ","
""
"' BaseName ($_server["Php_self"]): "',([' php_self ']), ""//file name of the requested executable, "
"' BaseName ($_server["Script_name"]): "',([' Script_name ']), ""//The file name of the actual executable, "
"' BaseName ($_server["Script_filename"]): "',([' Script_filename ']), ""//The file name of the actual executable, "
"' BaseName (__file__): "',(), ""///The file name of the actual execution code, "
"  ";  "
" 
                                                      
                                                        ' dirname ($_server["Php_self"]): "',  ( Span $_server< span>[' php_self ']), ""//directory where the file is requested to execute, "
" 
                                                         
                                                           ' dirname ($_server[" Script_name "]):" ',  ([' Script_name ']), ""//directory where the actual executable file is located, "
" 
                                                             
                                                               ' dirname ($_server["Script_filename"]): "',  ( [' script_filename ']), ""//directory where the actual executable file is located, "
" 
                                                                 
                                                                   ' dirname (__ file__): "',  ()," "//the directory where the actual execution code is located", "
" 
                                                                     
                                                                        ";  
                                                                       "
";  
                                                                        
                                                                    
                                                                
                                                           
                                                       

http://www.bkjia.com/PHPjc/440233.html www.bkjia.com true http://www.bkjia.com/PHPjc/440233.html techarticle local server, domain name http://d.com, root path D:\phpnow\vhosts\d.com.yii, relative root directory owning file/x.php code requeir_once/a/a.php, and/a/ a.php and requeir_once/a/b/b.php ...

