Question
<?php
function doSomething( &$arg ) {
$return = $arg;
$arg += 1;
return $return;
}
$a = 3;
$b = doSomething( $a );
?>a.
a is 3 and b is 4
b.
a is 4 and b is 3
c.
Both are 3
d.
Both are 4
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Q. What is the value of $a and $b after the function call?
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