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Nginx gets the header and sets$_ SERVER

2021-08-25 08:53:58 【Yuan Yueping】

Nginx obtain header Custom variable

nginx The agent defaults to header Of the parameters in "_" Underline out , Therefore, the background server can't get the tape "_" Parameter name of the line .:

underscores_in_headers on; # This property defaults to off, Said if header name Include underscores in , Ignore .
  
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Customize header by X-Real-IP, Through the second nginx Get the header It needs to be like this :

$http_x_real_ip; ( All in lowercase , And there's another one in front http_)

Nginx towards $_SERVER Add variables to

location ~ \.php$ {
try_files      $uri =404;
root           /www/wwwroot/app;
fastcgi_pass   127.0.0.1:9000;
fastcgi_index  index.php;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_param  MYENV 'DEV';  
include        fastcgi_params;
}
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fastcgi_param MYENV 'DEV'; # Right here php Of $_SERVER A variable has been added to

adopt php obtain $_SERVER Get variable

"MYENV" => "DEV"

Nginx obtain header Add custom values to $_SERVER

Customize header The value of is UserName=yyp, need nginx Get the value and add it to $_SERVER in

nginx Acquired key All need to be replaced with lowercase , meanwhile key You need to add http_

location ~ \.php$ {
underscores_in_headers on;
try_files      $uri =404;
root           /www/wwwroot/app;
fastcgi_pass   127.0.0.1:9000;
fastcgi_index  index.php;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_param  UserNmae $http_username;  
include        fastcgi_params;
}
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Case study

nginx To configure

    location ~ \.php?.*$ { 
        fastcgi_pass   unix:/tmp/php-cgi-56.sock;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name; 
        include        fastcgi_params; 
        fastcgi_param  TOKEN $http_username;  
        fastcgi_param  TOKEN88 $http_userpassword;  
        
    } 

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Configuration page

cat b.php   adopt b Page to get the settings header Value 
<html>
<head>
    <script language="php"> echo "php is php."; </script>
 
</head>
<body>
<?php echo "<table border='1'>"; foreach ($_SERVER as $key=>$value){ echo "<tr>"; echo "<td>$key</td>"; echo "<td>$value</td>"; echo "</tr>"; } echo "</table>"; ?>
</body>
</html>























adopt curl Command to change header

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