Basic PHP
What is the value of $a and $b after the function call?
function doSomething( &$arg ) {
$return = $arg;
$arg += 1;
return $return;
}
$a = 3;
$b = doSomething( $a );

a is 3 and b is 4
Both are 4
Both are 3
a is 4 and b is 3

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Basic PHP
strval()

Accepts a value and converts it into a string array
Accepts a value and converts it into string equivalent
Accepts a value and converts it into an string dictionary
None of above

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