rsort
rsort
(PHP 4, PHP 5, PHP 7)
rsort — Sort an array in reverse order
Description
bool rsort ( array &$array [, int $sort_flags = SORT_REGULAR ] )
This function sorts an array in reverse order (highest to lowest).
Note:
If two members compare as equal, their relative order in the sorted array is undefined.
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 rsort() example
<?php
$fruits = array("lemon", "orange", "banana", "apple");
rsort($fruits);
foreach ($fruits as $key => $val) {
echo "$key = $val\n";
}
?> The above example will output:
0 = orange 1 = lemon 2 = banana 3 = apple
The fruits have been sorted in reverse alphabetical order.
Notes
Note: This function assigns new keys to the elements in
array. It will remove any existing keys that may have been assigned, rather than just reordering the keys.
See Also
- arsort() - Sort an array in reverse order and maintain index association
- krsort() - Sort an array by key in reverse order
- The comparison of array sorting functions
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.rsort.php
