Explain what is the use of "echo" in php?
How failures in execution are handled with include() and require() functions?
Do you know how to delete a file from the system?
Do you know how can php and html interact?
Explain me the difference between include and require?
What is the function file_get_contents() usefull for?
Tell me how can we check the value of a given variable is alphanumeric?
Explain how is it possible to set an infinite execution time for php script?
How can we pass the variable through the navigation between the pages?
What is the difference between session_unregister() and session_unset()?
How is it possible to remove escape characters from a string?
Do you know how to declare an array in php?
What is the difference between characters 34 and x34?
How can we determine whether a php variable is an instantiated object of a certain class?
Tell us how to set cookies in php?