arsort() Function in PHP 8.2, PHP 8.3 & PHP 8.4 With Example

The `arsort()` function in PHP is used to sort an associative array in descending order while maintaining the index association.

Syntax

arsort(array &$array, int $flags = SORT_REGULAR): bool

Example

<?php
$marks = [
"John" => 85,
"Alice" => 92,
"Bob" => 78,
"David" => 88
];
arsort($marks); // Sort in descending order while maintaining keys
foreach ($marks as $name => $score) {
echo "$name: $score\n";
}
?>

Output

Alice: 92
David: 88
John: 85
Bob: 78