Using krsort in PHP

Posted by admin
May 8, 2008

krsort – Sort an array by key in reverse order

Description

bool krsort ( array array [, int sort_flags])

Sorts an array by key in reverse order, maintaining key to data correlations. This is useful mainly for associative arrays.

Returns TRUE on success or FALSE on failure.

Example 1. krsort() example

<?php
$fruits = array(“d”=>“lemon”, “a”=>“orange”, “b”=>“banana”, “c”=>“apple”);
krsort($fruits);
reset($fruits);
while (list($key, $val) = each($fruits)) {
echo “$key = $val\n“;
}
?>

This example would display:

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

You may modify the behavior of the sort using the optional parameter sort_flags

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