The cache of the Web page is controlled by the "Cache-control" in the HTTP message header, and the common values are private, No-cache, Max-age, must-revalidate, etc., and the default is private.
Its function is divided into the following
One: Concept description
Expries: Page cache expiration time, to the specified date page cache failure
Last-modified: Latest update time for Web pages
Cache-control Cache Control
No-cache: Do not cache Web pages
No-store: Do not cache Web pages, if
Previous wordsA URL often needs to represent a number of different resources. For example, a site site that needs to provide its content in multiple languages. If a site has two user-speaking and English speakers, it may want to provide site site
The Apache Web server can manipulate a variety of information through the. htaccess file, which is the default name for a directory-level configuration file, allowing for centralized WEB server configuration management. Can be used to override the
I. PrefaceWe often see the request header starting with accept during the daily packet capture process. For example, accept-language has a Q value, and someone must be wondering why this Q value should be defined in the HTTP specification; there is
1. PHP Cookies
A cookie is a mechanism for storing data on a remote browser side to track and identify the user. PHP sends cookies in the header information of the HTTP protocol, so the Setcookie () function must be called before other information
1. PHP COOKIECookie is a mechanism for storing data in a remote browser and tracking and identifying users. PHP sends cookies in the http header. Therefore, the setcookie () function must be called before other information is output to the browser,
1. PHP COOKIE
Cookie is a mechanism for storing data in a remote browser and tracking and identifying users. PHP sends cookies in the http header. Therefore, the setcookie () function must be called before other information is output to the browser,
Phpsession and cookie usage instructions. For more information, see. Cookie
1. PHP COOKIE
Cookie is a mechanism for storing data in a remote browser and tracking and identifying users. PHP sends cookies in the http header. Therefore, the setcookie (
Phpsession and cookie usage instructions. For more information, see. 1. PHP COOKIE
Cookie is a mechanism for storing data in a remote browser and tracking and identifying users. PHP sends cookies in the http header. Therefore, the setcookie ()
PHPcookie and session analysis 1. COOKIEcookie of PHP is a mechanism for storing data on a remote browser to track and identify users. PHP sends cookies in the http header. Therefore, the setcookie () function must be called before other information
Nginx reverse proxy configuration with Apache backend federated configuration: Description: Nginx maps http to a specific subdirectory on Apache. Configuration method steps: 1. Set the domain name, the sub-domain map to the specified server ip,2.
PHP Cookie and Session analysis
1. PHP Cookies
A cookie is a mechanism for storing data on a remote browser to track and identify users.
PHP sends a cookie in the header of the HTTP protocol, so the Setcookie () function must be called before other
Cookies and sessions are very important techniques in PHP programming. In-depth understanding and mastering the application of cookies and sessions is the basis for PHP programming. This article analyzes the difference between the two in the form of
Phpsession and cookie usage instructions. 1. COOKIEcookie of PHP is a mechanism for storing data on a remote browser to track and identify users. PHP sends a cookie in the http header, so the setcookie () function must be 1. PHP COOKIE
Cookie is a
Php session and cookie 1. PHP COOKIE
Cookie is a mechanism for storing data in a remote browser and tracking and identifying users. PHP sends cookies in the http header. Therefore, the setcookie () function must be called before other information
Note: Regardless of whether the APB Zero module is installed, you can use the cross-domain
First configure the Web API: 1. Under the Web API Project, install the package
Install-package Microsoft.AspNet.WebApi.Cors
2. Then in
Copy CodeThe code is as follows:
Require (' chinese.php ');
Class PDF extends Pdf_chinese
{
function header ()//Set Header
{
$this->setfont (' GB ', ', 10);
$this->write ("XX company product directory");
$this->ln (20); Line break
}
function Footer
1. PHP Cookies
A cookie is a mechanism for storing data on a remote browser to track and identify users. PHP sends a cookie in the header of the HTTP protocol, so the Setcookie () function must be called before other information is exported to the
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