Basic PHP
Which of the below statements is equivalent to $add += $add ?

$add = $add + 1
$add = $add
$add = $add +$add
$add = $add + $add + 1

ANSWER DOWNLOAD EXAMIANS APP

Basic PHP
Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?

When the parameter is being declared as passed by reference
Never
When the parameter is Boolean
When the function is being declared as a member of a class
When the function contains only one parameter

ANSWER DOWNLOAD EXAMIANS APP