ksort
ksort
(PHP 4, PHP 5, PHP 7)
ksort — Sort an array by key
Description
bool ksort ( array &$array [, int $sort_flags = SORT_REGULAR ] )
Sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays.
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 ksort() example
<?php $fruits = array("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple"); ksort($fruits); foreach ($fruits as $key => $val) { echo "$key = $val\n"; } ?>
The above example will output:
a = orange b = banana c = apple d = lemon
See Also
- asort() - Sort an array and maintain index association
- 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.ksort.php