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Description
ksort
( array
&$array
[, int $sort_flags
= SORT_REGULAR
] ) : boolSorts 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().
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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Steph