PHP is a server-side scripting language designed for web development, enabling dynamic page generation, server-side processing, and database interaction for web applications.

What are PHP magic methods?

Magic methods are special methods in PHP that are called automatically when certain conditions are met, such as __construct, __get, __set, __call, enabling operator overloading.

What is autoloading in PHP?

Autoloading is a mechanism in PHP that automatically includes class files when they are instantiated, eliminating the need for manual include statements using __autoload or spl_autoload_register.

PHP Interview Questions

71. What are transactions in relational databases?

72. How do database transactions work in PHP?

73. What are common file-handling operations in PHP?

74. How does file uploading work in PHP?

75. What security concerns exist with file uploads?

76. How does output buffering work in PHP?

77. What are common caching strategies in PHP applications?

78. What is OPcache?

79. How does OPcache improve PHP performance?

80. What are Composer packages and dependencies?