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- What are the steps to create a new database using MySQL and PHP?
- Article discusses steps to create and manage MySQL databases using PHP, focusing on connection, creation, common errors, and security measures.
- PHP Tutorial . Backend Development 635 2025-04-28 16:44:47
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- Does JavaScript interact with PHP?
- The article discusses how JavaScript and PHP interact indirectly through HTTP requests due to their different environments. It covers methods for sending data from JavaScript to PHP and highlights security considerations like data validation and prot
- PHP Tutorial . Backend Development 896 2025-04-28 16:43:30
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- How to execute a PHP script from the command line?
- The article discusses executing PHP scripts from the command line, including steps, common options, troubleshooting errors, and security considerations.
- PHP Tutorial . Backend Development 911 2025-04-28 16:41:41
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- What are the rules for naming a PHP variable?
- The article outlines PHP variable naming rules: must start with a letter or underscore, can include letters, numbers, underscores; case-sensitive, no spaces/special characters, and cannot use reserved words.
- PHP Tutorial . Backend Development 449 2025-04-28 16:39:33
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- What is PEAR in PHP?
- PEAR is a PHP framework for reusable components, enhancing development with package management, coding standards, and community support.
- PHP Tutorial . Backend Development 630 2025-04-28 16:38:35
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- What are the uses of PHP?
- PHP is a versatile scripting language used mainly for web development, creating dynamic pages, and can also be utilized for command-line scripting, desktop apps, and API development.
- PHP Tutorial . Backend Development 556 2025-04-28 16:37:35
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- What was the old name of PHP?
- The article discusses PHP's evolution from "Personal Home Page Tools" in 1995 to "PHP: Hypertext Preprocessor" in 1998, reflecting its expanded use beyond personal websites.
- PHP Tutorial . Backend Development 600 2025-04-28 16:36:26
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- How can you prevent session fixation attacks?
- Effective methods to prevent session fixed attacks include: 1. Regenerate the session ID after the user logs in; 2. Use a secure session ID generation algorithm; 3. Implement the session timeout mechanism; 4. Encrypt session data using HTTPS. These measures can ensure that the application is indestructible when facing session fixed attacks.
- PHP Tutorial . Backend Development 741 2025-04-28 00:25:01
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- How do you implement sessionless authentication?
- Implementing session-free authentication can be achieved by using JSONWebTokens (JWT), a token-based authentication system where all necessary information is stored in the token without server-side session storage. 1) Use JWT to generate and verify tokens, 2) Ensure that HTTPS is used to prevent tokens from being intercepted, 3) Securely store tokens on the client side, 4) Verify tokens on the server side to prevent tampering, 5) Implement token revocation mechanisms, such as using short-term access tokens and long-term refresh tokens.
- PHP Tutorial . Backend Development 249 2025-04-28 00:24:40
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- What are some common security risks associated with PHP sessions?
- The security risks of PHP sessions mainly include session hijacking, session fixation, session prediction and session poisoning. 1. Session hijacking can be prevented by using HTTPS and protecting cookies. 2. Session fixation can be avoided by regenerating the session ID before the user logs in. 3. Session prediction needs to ensure the randomness and unpredictability of session IDs. 4. Session poisoning can be prevented by verifying and filtering session data.
- PHP Tutorial . Backend Development 810 2025-04-28 00:24:20
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- How do you destroy a PHP session?
- To destroy a PHP session, you need to start the session first, then clear the data and destroy the session file. 1. Use session_start() to start the session. 2. Use session_unset() to clear the session data. 3. Finally, use session_destroy() to destroy the session file to ensure data security and resource release.
- PHP Tutorial . Backend Development 1069 2025-04-28 00:16:20
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- How can you change the default session save path in PHP?
- How to change the default session saving path of PHP? It can be achieved through the following steps: use session_save_path('/var/www/sessions');session_start(); in PHP scripts to set the session saving path. Set session.save_path="/var/www/sessions" in the php.ini file to change the session saving path globally. Use Memcached or Redis to store session data, such as ini_set('session.save_handler','memcached'); ini_set(
- PHP Tutorial . Backend Development 560 2025-04-28 00:12:51
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- How do you modify data stored in a PHP session?
- TomodifydatainaPHPsession,startthesessionwithsession_start(),thenuse$_SESSIONtoset,modify,orremovevariables.1)Startthesession.2)Setormodifysessionvariablesusing$_SESSION.3)Removevariableswithunset().4)Clearallvariableswithsession_unset().5)Destroythe
- PHP Tutorial . Backend Development 1040 2025-04-27 00:23:10
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- Give an example of storing an array in a PHP session.
- Arrays can be stored in PHP sessions. 1. Start the session and use session_start(). 2. Create an array and store it in $_SESSION. 3. Retrieve the array through $_SESSION. 4. Optimize session data to improve performance.
- PHP Tutorial . Backend Development 334 2025-04-27 00:20:01
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