A session is a logical object created by the PHP engine to allow you to preserve data across subsequent HTTP requests. Sessions are commonly used to store temporary data to allow multiple PHP pages to offer a complete functional transaction for the same visitor.
Tell me how can we determine whether a PHP variable is an instantiated object of a certain class?
Tell me how is it possible to parse a configuration file?
Explain me what is the difference between $_FILES[‘userfile’][‘name’] and $_FILES[‘userfile’][‘tmp_name’]?
Do you know what’s the difference between __sleep and __wakeup?
Explain what does the function get_magic_quotes_gpc() means?
Tell me what is the main difference between require() and require_once()?
Explain difference between urlencode and urldecode?
Tell me how to set a page as a home page in a php based site?
Tell me what's the difference between include and require?
Explain me the difference between include and require?
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