$file = 'sample.txt'; $current = file_get_contents($file); $current .= "Additional Info"; file_put_contents($file, $current); What is the meaning of above code?

Best way of writing an IF/ELSE statement on one line?

function foobar( ) { $a = func_get_args( ); return $a[2]; } print foobar('a',1,'b',2); What would the output be?

Best way to URL encode a string?

Which is not related to file

$a = &$b; $b = 'Mary?' print $a;

What function would you use to delete a file?

Will the trim function strip NULL bytes?

Function to remove the first element of an array?

What will be the output of the following code?

Operator with the lowest precedence?