[Solved] What will be the output of the following PHP code? $arr = [3 => 'apple', 1 => 'banana', 2 => 'cherry']; sort($arr); print_r($arr); | PHP

PHP - Arrays

What will be the output of the following PHP code?

$arr = [3 => 'apple', 1 => 'banana', 2 => 'cherry'];
sort($arr);
print_r($arr);

A[0 => 'apple', 1 => 'banana', 2 => 'cherry']

B[1 => 'banana', 2 => 'cherry', 3 => 'apple']

C[0 => 'banana', 1 => 'cherry', 2 => 'apple']

D[0 => 'apple', 1 => 'cherry', 2 => 'banana']

Step-by-Step Solution

Solution:

Step 1: Understand sort() behavior on keys
sort() sorts values ascending and resets keys starting from 0.
Step 2: Sort values and assign new keys
Values sorted ascending: 'apple', 'banana', 'cherry'. Keys reset to 0,1,2 respectively.
Final Answer:
[0 => 'apple', 1 => 'banana', 2 => 'cherry'] -> Option A
Quick Check:
sort() resets keys and sorts ascending [OK]

Quick Trick: sort() resets keys and sorts values ascending [OK]

Common Mistakes:

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