How to use http headers inside php?
What are the main error types in php?
What is the use of rand() in php?
Why do we need abstract class in php?
What is beforeRender() used?
What is the use of mysqli_real_escape_string() function?
Differentiate between require and include?
What does the arrow mean in php?
How to find datatype of variable in php?
What is the use of session and cookies in php?
What is php.ini & .htacess file?
What is php7?
What does the unset() function means?
Is salary fixed or variable cost?
Where php language is used?