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- Where are PHP session files stored by default?
- PHPsessionfilesarestoredinthedirectoryspecifiedbysession.save_path,typically/tmponUnix-likesystemsorC:\Windows\TemponWindows.Tocustomizethis:1)Usesession_save_path()tosetacustomdirectory,ensuringit'swritable;2)Verifythecustomdirectoryexistsandiswrita
- PHP Tutorial . Backend Development 747 2025-05-01 00:15:51
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- How do you retrieve data from a PHP session?
- ToretrievedatafromaPHPsession,startthesessionwithsession_start()andaccessvariablesinthe$_SESSIONarray.Forexample:1)Startthesession:session_start().2)Retrievedata:$username=$_SESSION['username'];echo"Welcome,".$username;.Sessionsareserver-si
- PHP Tutorial . Backend Development 273 2025-05-01 00:11:50
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- How can you use sessions to implement a shopping cart?
- The steps to build an efficient shopping cart system using sessions include: 1) Understand the definition and function of the session. The session is a server-side storage mechanism used to maintain user status across requests; 2) Implement basic session management, such as adding products to the shopping cart; 3) Expand to advanced usage, supporting product quantity management and deletion; 4) Optimize performance and security, by persisting session data and using secure session identifiers.
- PHP Tutorial . Backend Development 665 2025-05-01 00:10:31
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- How do you create and use an interface in PHP?
- The article explains how to create, implement, and use interfaces in PHP, focusing on their benefits for code organization and maintainability.
- PHP Tutorial . Backend Development 556 2025-04-30 15:40:39
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- What is the difference between crypt() and password_hash()?
- The article discusses the differences between crypt() and password_hash() in PHP for password hashing, focusing on their implementation, security, and suitability for modern web applications.
- PHP Tutorial . Backend Development 886 2025-04-30 15:39:36
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- How can you prevent Cross-Site Scripting (XSS) in PHP?
- Article discusses preventing Cross-Site Scripting (XSS) in PHP through input validation, output encoding, and using tools like OWASP ESAPI and HTML Purifier.
- PHP Tutorial . Backend Development 733 2025-04-30 15:38:38
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- What is autoloading in PHP?
- Autoloading in PHP automatically loads class files when needed, improving performance by reducing memory use and enhancing code organization. Best practices include using PSR-4 and organizing code effectively.
- PHP Tutorial . Backend Development 991 2025-04-30 15:37:30
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- What are PHP streams?
- PHP streams unify handling of resources like files, network sockets, and compression formats via a consistent API, abstracting complexity and enhancing code flexibility and efficiency.
- PHP Tutorial . Backend Development 694 2025-04-30 15:36:36
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- What is the maximum size of a file that can be uploaded using PHP ?
- The article discusses managing file upload sizes in PHP, focusing on the default limit of 2MB and how to increase it by modifying php.ini settings.
- PHP Tutorial . Backend Development 673 2025-04-30 15:35:34
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- What is Nullable types in PHP ?
- The article discusses nullable types in PHP, introduced in PHP 7.1, allowing variables or parameters to be either a specified type or null. It highlights benefits like improved readability, type safety, and explicit intent, and explains how to declar
- PHP Tutorial . Backend Development 439 2025-04-30 15:34:37
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- What is the difference between the unset() and unlink() functions ?
- The article discusses the differences between unset() and unlink() functions in programming, focusing on their purposes and use cases. Unset() removes variables from memory, while unlink() deletes files from the filesystem. Both are crucial for effec
- PHP Tutorial . Backend Development 644 2025-04-30 15:33:34
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- What are Traits in PHP ?
- PHP traits enable code reuse in single inheritance contexts, offering benefits like reusability and simplified inheritance. They can be effectively combined with traditional inheritance to enhance class flexibility and modularity.
- PHP Tutorial . Backend Development 424 2025-04-30 15:31:35
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- Is PHP supports multiple inheritance ?
- PHP does not support multiple inheritance but uses interfaces and traits as alternatives to achieve similar functionality, avoiding issues like the diamond problem.
- PHP Tutorial . Backend Development 954 2025-04-30 15:30:37
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- What is inheritance in PHP ?
- Inheritance in PHP allows classes to inherit properties and methods, promoting code reuse and hierarchical organization. Key benefits include reusability, abstraction, and polymorphism. Common mistakes to avoid are overuse of inheritance and ignoring
- PHP Tutorial . Backend Development 774 2025-04-30 15:29:33
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