⟩ Tell me the difference between the functions unlink and unset?
unlink() deletes the given file from the file system.
unset() makes a variable undefined.
unlink() deletes the given file from the file system.
unset() makes a variable undefined.
Tell me what is the difference between the functions strstr() and stristr()?
Explain how we can retrieve the data in the result set of MySQL using PHP?
Object-Oriented Methodology in PHP?
Explain how to run the interactive PHP shell from the command line interface?
Explain me how failures in execution are handled with include() and require() functions?
Explain what does the unlink() function means?
Tell me what does accessing a class via means?
Tell me how can we get the error when there is a problem to upload a file?
Tell me how can we determine whether a variable is set?
Explain what are the three classes of errors that can occur in PHP?