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In this unstable network environment, accidents such as system crashes and host outages are common. And now many children think that their blogs are just built casually and they can ignore the security of the website. In fact, it is not the case. You will know the pain when you lose your data. So, it’s better to make a backup first. Here are two website backup assistants recommended to you. The first one is Dropmysite Of course, Dropmysite is not only a service for websites and databases, it can also do email backup. Initially, the founder of Dropmysite also created this tool for email backup. Now it is out of control. It has served more than 100 users abroad. Hundreds of thousands of people. After registering and logging in for the first time, you will see these icons 
Dropmysite backs up website files through FTP/SFTP, so you need to set your FTP information (generally speaking, the FTP port is 21 and the SFTP port is 22, there are exceptions)
After connecting, select the directory to be backed up and set the backup cycle.
This is the Dropmysite backup process. The second one introduces multiple backups Multi-Backup is a domestically developed cloud platform (SaaS) application provider that focuses on cloud backup, recovery, migration, storage and archiving of business data Without further ado, here’s the tutorial: First register, then log in, and choose to create a new task. Pop-up window [File Backup] & [Database Backup] Let me show you how to back up files. In fact, the multiple backup and dropmysite backup methods are similar. Website files are also backed up through FTP/SFTP and the corresponding information is written down. Then connect
Then jump to another page, where you can see that there are many storage locations. As long as you have accounts corresponding to these platforms, you can back up in multiple places, so this is also one of the origins of the name [Multiple Backup]
I personally think that the backup period and frequency options are more user-friendly. I would like to say here: considering the speed issue, it is recommended to set the backup time at night.
At this time, just wait for it to complete the backup process. Let me tell you here, the data backup of multiple backups is encrypted. After downloading, it needs to be decrypted to restore, ensuring the security of the data. The two softwares are introduced here. For domestic friends, the only shortcoming is that Dropmysite only has a 30-day free trial period and the space is only 2G. However, there is nothing to regret, because Dropmysite should have the website backup function "multiple backups". "Both are available, and the backup space is large enough. Multi-backup now also supports local PC backup. Friends who need it can register an account and use it!
If you think this is useful to you, please leave me a message or something, at least let me know that my efforts are not in vain! |
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Describe different HTTP caching headers (e.g., Cache-Control, ETag, Last-Modified).Apr 17, 2025 am 12:22 AMKey players in HTTP cache headers include Cache-Control, ETag, and Last-Modified. 1.Cache-Control is used to control caching policies. Example: Cache-Control:max-age=3600,public. 2. ETag verifies resource changes through unique identifiers, example: ETag: "686897696a7c876b7e". 3.Last-Modified indicates the resource's last modification time, example: Last-Modified:Wed,21Oct201507:28:00GMT.
Explain secure password hashing in PHP (e.g., password_hash, password_verify). Why not use MD5 or SHA1?Apr 17, 2025 am 12:06 AMIn PHP, password_hash and password_verify functions should be used to implement secure password hashing, and MD5 or SHA1 should not be used. 1) password_hash generates a hash containing salt values to enhance security. 2) Password_verify verify password and ensure security by comparing hash values. 3) MD5 and SHA1 are vulnerable and lack salt values, and are not suitable for modern password security.
PHP: An Introduction to the Server-Side Scripting LanguageApr 16, 2025 am 12:18 AMPHP is a server-side scripting language used for dynamic web development and server-side applications. 1.PHP is an interpreted language that does not require compilation and is suitable for rapid development. 2. PHP code is embedded in HTML, making it easy to develop web pages. 3. PHP processes server-side logic, generates HTML output, and supports user interaction and data processing. 4. PHP can interact with the database, process form submission, and execute server-side tasks.
PHP and the Web: Exploring its Long-Term ImpactApr 16, 2025 am 12:17 AMPHP has shaped the network over the past few decades and will continue to play an important role in web development. 1) PHP originated in 1994 and has become the first choice for developers due to its ease of use and seamless integration with MySQL. 2) Its core functions include generating dynamic content and integrating with the database, allowing the website to be updated in real time and displayed in personalized manner. 3) The wide application and ecosystem of PHP have driven its long-term impact, but it also faces version updates and security challenges. 4) Performance improvements in recent years, such as the release of PHP7, enable it to compete with modern languages. 5) In the future, PHP needs to deal with new challenges such as containerization and microservices, but its flexibility and active community make it adaptable.
Why Use PHP? Advantages and Benefits ExplainedApr 16, 2025 am 12:16 AMThe core benefits of PHP include ease of learning, strong web development support, rich libraries and frameworks, high performance and scalability, cross-platform compatibility, and cost-effectiveness. 1) Easy to learn and use, suitable for beginners; 2) Good integration with web servers and supports multiple databases; 3) Have powerful frameworks such as Laravel; 4) High performance can be achieved through optimization; 5) Support multiple operating systems; 6) Open source to reduce development costs.
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