php

Question 1

Does php have a printf function?

Answer 1

yes, with the same syntax as java

Question 2

What is the difference between the sprint and printf function?

Answer 2

sprint can output to a variable instead

Question 3

What does the function file_exists do?

Answer 3

checks weather a file exists

Question 4

What functions exists for opening/writing/closing files?

Answer 4

fopen, fwrite, fclose