What does $_env mean?
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How the web server interprets php and interacts with the client?
Explain include(), include_once, require() and require_once?
How do you pass a variable by value?
What is php form validation?
What are form input html tags?
Is age an interval or ratio?
What is empty () in php?
What is php call function?
What is the use of 'print' in php?
how to upload a file in php.write a syntex for that
explain php variable length argument function.
How can we find the number of rows in a result set using PHP?