Table of Contents
php操作redis缓存方法分享,phpredis缓存分享
Home php教程 php手册 php操作redis缓存方法分享,phpredis缓存分享

php操作redis缓存方法分享,phpredis缓存分享

Jun 13, 2016 am 09:02 AM
php redis redis cache

php操作redis缓存方法分享,phpredis缓存分享

php redis缓存操作

<&#63;php
/**
 * Redis缓存操作
 * @author hxm
 * @version 1.0
 * @since 2015.05.04
 */
class RCache extends Object implements CacheFace 
{
  private $redis = null; //redis对象
   
  private $sId  = 1;  //servier服务ID
   
  private $con  = null;//链接资源
   
  /**
   * 初始化Redis
   *
   * @return Object
   */
  public function __construct()
  {
    if ( !class_exists('Redis') )
    {
      throw new QException('PHP extension does not exist: Redis');
    }
    $this->redis = new Redis();
  }
   
  /**
   * 链接memcahce服务
   *
   * @access private
   * @param  string $key 关键字
   * @param  string $value 缓存内容
   * @return array
   */
  private function connect( $sid )
  {
    $file = $this->CacheFile();
    require $file;
    if(! isset($cache) )
    {
      throw new QException('缓存配置文件不存在'.$file);
    }
    $server = $cache[$this->cacheId];
    $sid  = isset($sid) == 0 &#63; $this->sId : $sid;//memcache服务选择
    if ( ! $server[$sid])
    {
      throw new QException('当前操作的缓存服务器配置文件不存在');
    }
    $host = $server[$sid]['host'];
    $port = $server[$sid]['port'];
    try {
      $this->redis->connect( $host , $port );
    } catch (Exception $e) {
      exit('memecache连接失败,错误信息:'. $e->getMessage());
    }
  }
   
  /**
   * 写入缓存
   *
   * @access private
   * @param  string $key 关键字
   * @param  string $value 缓存内容
   * @return array
   */
  public function set( $key , $value , $sid , $expire = 0)
  {
    $data = $this->get($key , $sid); //如果已经存在key值
    if( $data ) 
    {
      return $this->redis->getset( $key , $value);
    } else {
      return $this->redis->set( $key , $value);
    }
  }
   
  /**
   * 读取缓存
   *
   * @access private
   * @param  string $key 关键字
   * @param  int   $sid 选择第几台memcache服务器
   * @return array
   */
  public function get( $key , $sid)
  {
    $this->connect( $sid );
    return $this->redis->get($key);
  }
   
  /**
   * 清洗(删除)已经存储的所有的元素
   *
   * @access private
   * @return array
   */
  public function flush()
  {
    $this->connect();
    return $this->redis->flushall();
  }
  /**
   * 删除缓存
   *
   * @access private
   * @param  string $key 关键字
   * @param  int   $sid 选择第几台memcache服务器
   * @return array
   */
  public function remove( $key , $sid)
  {
    $this->connect();
    return $this->redis->del($key);
  }
   
  /**
   * 析构函数
   * 最后关闭memcache
   */
  public function __destruct()
  {
    if($this->redis)
    {
      $this->redis->close();
    }
  }
}
Copy after login

以上所述就是本文的全部内容了,希望大家能够喜欢。

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
1 months ago By 尊渡假赌尊渡假赌尊渡假赌
Two Point Museum: All Exhibits And Where To Find Them
1 months ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian Dec 24, 2024 pm 04:42 PM

PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati

How To Set Up Visual Studio Code (VS Code) for PHP Development How To Set Up Visual Studio Code (VS Code) for PHP Development Dec 20, 2024 am 11:31 AM

Visual Studio Code, also known as VS Code, is a free source code editor — or integrated development environment (IDE) — available for all major operating systems. With a large collection of extensions for many programming languages, VS Code can be c

How do you parse and process HTML/XML in PHP? How do you parse and process HTML/XML in PHP? Feb 07, 2025 am 11:57 AM

This tutorial demonstrates how to efficiently process XML documents using PHP. XML (eXtensible Markup Language) is a versatile text-based markup language designed for both human readability and machine parsing. It's commonly used for data storage an

PHP Program to Count Vowels in a String PHP Program to Count Vowels in a String Feb 07, 2025 pm 12:12 PM

A string is a sequence of characters, including letters, numbers, and symbols. This tutorial will learn how to calculate the number of vowels in a given string in PHP using different methods. The vowels in English are a, e, i, o, u, and they can be uppercase or lowercase. What is a vowel? Vowels are alphabetic characters that represent a specific pronunciation. There are five vowels in English, including uppercase and lowercase: a, e, i, o, u Example 1 Input: String = "Tutorialspoint" Output: 6 explain The vowels in the string "Tutorialspoint" are u, o, i, a, o, i. There are 6 yuan in total

7 PHP Functions I Regret I Didn't Know Before 7 PHP Functions I Regret I Didn't Know Before Nov 13, 2024 am 09:42 AM

If you are an experienced PHP developer, you might have the feeling that you’ve been there and done that already.You have developed a significant number of applications, debugged millions of lines of code, and tweaked a bunch of scripts to achieve op

Why does an error occur when installing an extension using PECL in a Docker environment? How to solve it? Why does an error occur when installing an extension using PECL in a Docker environment? How to solve it? Apr 01, 2025 pm 03:06 PM

Causes and solutions for errors when using PECL to install extensions in Docker environment When using Docker environment, we often encounter some headaches...

Top 10 PHP CMS Platforms For Developers in 2024 Top 10 PHP CMS Platforms For Developers in 2024 Dec 05, 2024 am 10:29 AM

CMS stands for Content Management System. It is a software application or platform that enables users to create, manage, and modify digital content without requiring advanced technical knowledge. CMS allows users to easily create and organize content

How to Add Elements to the End of an Array in PHP How to Add Elements to the End of an Array in PHP Feb 07, 2025 am 11:17 AM

Arrays are linear data structures used to process data in programming. Sometimes when we are processing arrays we need to add new elements to the existing array. In this article, we will discuss several ways to add elements to the end of an array in PHP, with code examples, output, and time and space complexity analysis for each method. Here are the different ways to add elements to an array: Use square brackets [] In PHP, the way to add elements to the end of an array is to use square brackets []. This syntax only works in cases where we want to add only a single element. The following is the syntax: $array[] = value; Example

See all articles