What should be the length of variable for SHA256?
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What does isset() function?
What is the difference between htmlentities and htmlspecialchars in php?
What are the new features in php 7?
What is the difference between a session and cookies?
What is csrf token and why it is required?
What is call by reference in php?
Which method do you follow to get a record from a million records? (Searching not from database, from an array in php)?
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How to do single and multi line comment in php?
Tell us what is the difference between session_unregister() and session_unset()?
How variables are passed through arguments?
What difference between require() and require_once()?