PHP: arsort function - Sort an array in reverse order and maintain index association

Description

bool arsort ( array &$array [, int $sort_flags ] )

This function sorts an array such that array indices maintain their correlation with the array elements they are associated with.

This is used mainly when sorting associative arrays where the actual element order is significant.

Parameters

array: The input array.
sort_flags: You may modify the behavior of the sort using the optional parameter sort_flags , for details see sort().

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 arsort() example


<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
arsort($fruits);
foreach ($fruits as $key => $val) {
    echo "$key = $val\n";
}
?>

The above example will output:

a = orange
d = lemon
b = banana
c = apple

The fruits have been sorted in reverse alphabetical order, and the index associated with each element has been maintained.

arsort

Description

Parameters

Return Values

Examples

See Also