php防止同一IP重复投票的函数
<?php <br/>$mem = new Memcache;<br>$mem->connect("192.168.1.1", 12000);<br>$ip = 'xxx,xxx,xxx,xxx';<br>$key = ip2long($ip);<br>if($mem->get($key)){<br> echo '您已经投过票了，明天再来吧！';<br>}else {<br> $mem->set($key, '1', 0, 360000); //这里的格式你再查一查吧，应该是这样的！<br> echo '感谢您的投票！';<br>}
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1387
52
What does the identity attribute in SQL mean?
Feb 19, 2024 am 11:24 AM
What is Identity in SQL? Specific code examples are needed. In SQL, Identity is a special data type used to generate auto-incrementing numbers. It is often used to uniquely identify each row of data in a table. The Identity column is often used in conjunction with the primary key column to ensure that each record has a unique identifier. This article will detail how to use Identity and some practical code examples. The basic way to use Identity is to use Identit when creating a table.
How SpringBoot monitors redis Key change events
May 26, 2023 pm 01:55 PM
1. Function Overview Keyspace notification allows clients to receive events that modify Rediskey changes in some way by subscribing to channels or patterns. All commands that modify key keys. All keys that received the LPUSHkeyvalue[value…] command. All expired keys in the db database. Events are distributed through Redis's subscription and publishing functions (pub/sub), so all clients that support subscription and publishing functions can directly use the keyspace notification function without any modifications. Because the current subscription and publishing functions of Redis adopt a fireandforget strategy, if your program
How to solve the problem of batch deletion of key values in redis
May 31, 2023 am 08:59 AM
Problems encountered: During the development process, you will encounter keys that need to be deleted in batches according to certain rules, such as login_logID (ID is a variable). Now you need to delete data such as "login_log*", but redis itself only has batch query. Command keys for class key values, but there is no command for batch deletion of a certain class. Solution: Query first, then delete, use xargs to pass parameters (xargs can convert pipe or standard input (stdin) data into command line parameters), execute the query statement first, and then remove the queried key value and the original del parameters. delete. redis-cliKEYSkey* (search condition)|xargsr
Unpatchable Yubico two-factor authentication key vulnerability breaks the security of most Yubikey 5, Security Key, and YubiHSM 2FA devices
Sep 04, 2024 pm 06:32 PM
An unpatchable Yubico two-factor authentication key vulnerability has broken the security of most Yubikey 5, Security Key, and YubiHSM 2FA devices. The Feitian A22 JavaCard and other devices using Infineon SLB96xx series TPMs are also vulnerable.All
Five selected Go language open source projects to take you to explore the technology world
Jan 30, 2024 am 09:08 AM
In today's era of rapid technological development, programming languages are springing up like mushrooms after a rain. One of the languages that has attracted much attention is the Go language, which is loved by many developers for its simplicity, efficiency, concurrency safety and other features. The Go language is known for its strong ecosystem with many excellent open source projects. This article will introduce five selected Go language open source projects and lead readers to explore the world of Go language open source projects. KubernetesKubernetes is an open source container orchestration engine for automated
Go language development essentials: 5 popular framework recommendations
Mar 24, 2024 pm 01:15 PM
"Go Language Development Essentials: 5 Popular Framework Recommendations" As a fast and efficient programming language, Go language is favored by more and more developers. In order to improve development efficiency and optimize code structure, many developers choose to use frameworks to quickly build applications. In the world of Go language, there are many excellent frameworks to choose from. This article will introduce 5 popular Go language frameworks and provide specific code examples to help readers better understand and use these frameworks. 1.GinGin is a lightweight web framework with fast
Laravel development: How to implement WebSockets communication using Laravel Echo and Pusher?
Jun 13, 2023 pm 05:01 PM
Laravel is a popular PHP framework that is highly scalable and efficient. It provides many powerful tools and libraries that allow developers to quickly build high-quality web applications. Among them, LaravelEcho and Pusher are two very important tools through which WebSockets communication can be easily implemented. This article will detail how to use these two tools in Laravel applications. What are WebSockets? WebSockets
Detailed explanation of the role and usage of the echo keyword in PHP
Jun 28, 2023 pm 08:12 PM
Detailed explanation of the role and usage of the echo keyword in PHP PHP is a widely used server-side scripting language, which is widely used in web development. The echo keyword is a method used to output content in PHP. This article will introduce in detail the function and use of the echo keyword. Function: The main function of the echo keyword is to output content to the browser. In web development, we need to dynamically present data to the front-end page. At this time, we can use the echo keyword to output the data to the page. e
