What will be the output of the following PHP code?
<?php
$data = [[1, 2], [3]];
echo count($data) . " ";
echo count($data, COUNT_RECURSIVE);
?>
Options
-
A.
3 3
-
B.
2 5
-
C.
5 2
-
D.
More than one of the above
-
E.
None of the above
Correct Answer (Detailed Explanation is Below)
B.
2 5
Detailed Explanation
Correct Answer: Option BExplanation:count($data) counts only the two top-level elements, giving 2.
count($data, COUNT_RECURSIVE) also counts elements inside the nested arrays: the outer array has 2 elements, and the inner arrays contain 2 and 1 elements. The total is
2 + 2 + 1 = 5.
