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What is RSA2?RSA2 is a new signature algorithm supporting SHA256WithRSA based on the original SHA1WithRSA signature algorithm.This algorithm has stronger security capability than SHA1WithRSA.For the security of your application, it is highly recommended to use the signature algorithm of SHA256WithRSA.       Development platform algorithm nam ...

To use Swoole in ThinkPHP, you need to install the think Swoole composer package, provided that the system has installed the Swoole PECL extension To install think swoole, execute the composer command in the project root directory of tp5: composer require topthink/think-swoole If you don't say much, go straight to the code: To create a WebSocke ...

Nginx web page optimization (1) Configure Nginx hidden version number In the production environment, the version number of Nginx needs to be hidden to avoid the leakage of security vulnerabilities View method Use fiddler tool to view Nginx version number in Windows client Use "curl-i web address" command to view in CentOS system ...

Queue is a kind of special linear table. It only allows deletion at the front end of the table, which can be called front, and insertion at the back end of the table, which can be called rear. Like stack, queue is a linear table with limited operation. The difference between queue and stack is that queue follows the principle of "first in, ...

Today, I received a demand to read pictures from Excel. I searched some data on the Internet and basically realized my own demand. However, due to the long-term code found, I can't directly transplant it into my own project, so I need to make some changes. Here we introduce the functions of reading pictures in Excel by using phpspreadsheet and ...

brief introduction PHP Reflection API is a new function of PHP 5. It is used to export or extract detailed information about classes, methods, properties, parameters, etc., including comments. class Reflection { } interface Reflector { } class ReflectionException extends Exception { } class ReflectionFunction implements Reflector { } class Ref ...

Wechat payment enterprise payment to change function is widely used, such as wechat red packet reward, business settlement, etc. Through enterprise payment to individuals, payment funds will directly enter users' wechat change. I. opening conditions ​   Payment fund The enterprise pays the change fund with the balance fund of the merchant numbe ...

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Call with static:: to perform binding operation at the time of running; There is a method in the parent class that is delayed binding. When the child class:: calls this method, it returns to the calling child class and starts to look up; example1: class Human { public static function whoami() { echo 'From parent whoami In executi ...

Compared with lightweight application servers or virtual hosts, Alibaba cloud ECS cloud servers need higher technical capabilities. Users can use AMH panel or pagoda and other panels to make Web projects simpler. Yuntun store shares the complete pseudo-static rules of AMH host panel: Complete pseudo static rules of AMH host panel Pseudo static ...