[Solved] What will be the output of this PHP code? $keys = ['a', 'b']; $values = [1, 2]; $result = array_combine($keys, $values); print_r($result); | PHP

PHP - Arrays

What will be the output of this PHP code?

$keys = ['a', 'b'];
$values = [1, 2];
$result = array_combine($keys, $values);
print_r($result);

AArray ( [0] => a [1] => b [2] => 1 [3] => 2 )

BArray ( [a] => 1 [b] => 2 )

CArray ( [1] => a [2] => b )

DError: keys and values must be same length

Step-by-Step Solution

Solution:

Step 1: Understand array_combine usage
It creates an associative array using first array as keys and second as values.
Step 2: Check input arrays
Both arrays have same length, so combination is valid.
Final Answer:
Array ( [a] => 1 [b] => 2 ) -> Option B
Quick Check:
array_combine output = Associative array from keys and values [OK]

Quick Trick: array_combine needs equal length arrays [OK]

Common Mistakes:

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