[Solved] What will be the output of this PHP code?$arr = ["x", "y"]; $padded = array_pad($arr, 4, "z"); print_r($padded); | PHP

PHP - Array Functions

What will be the output of this PHP code?

$arr = ["x", "y"];
$padded = array_pad($arr, 4, "z");
print_r($padded);

AArray ( [0] => x [1] => y [2] => z [3] => z )

BArray ( [0] => z [1] => z [2] => x [3] => y )

CArray ( [0] => x [1] => y )

DError: Missing size parameter

Step-by-Step Solution

Solution:

Step 1: Understand array_pad
It pads the array to the specified size by adding the pad value at the end if size is positive.
Step 2: Analyze code
Original array has 2 elements, padded to size 4 with "z" at the end.
Final Answer:
Array ( [0] => x [1] => y [2] => z [3] => z ) -> Option A
Quick Check:
Positive size pads at end [OK]

Quick Trick: Positive size pads at end, negative at start [OK]

Common Mistakes:

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