[Solved] Why does the PHP function asort() preserve keys while sorting values, but sort() does not? — Ans: asort() sorts values and maintains key association; sort() reindexes keys | PHP

PHP - Arrays

Why does the PHP function asort() preserve keys while sorting values, but sort() does not?

Asort() preserves keys only if array is numeric

Basort() sorts values and maintains key association; sort() reindexes keys

Casort() only works on associative arrays; sort() only on indexed arrays

Dsort() sorts keys, asort() sorts values

Step-by-Step Solution

Solution:

Step 1: Understand asort() behavior
asort() sorts values ascending and keeps original keys linked to values.
Step 2: Understand sort() behavior
sort() sorts values ascending but resets keys to numeric indexes starting at 0.
Final Answer:
asort() sorts values and maintains key association; sort() reindexes keys -> Option B
Quick Check:
asort() preserves keys, sort() resets keys [OK]

Quick Trick: asort() keeps keys; sort() resets keys [OK]

Common Mistakes:

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Why does the PHP function asort() preserve keys while sorting values, but sort() does not?