&$array
[, int $sort_flags = SORT_REGULAR
] )
Sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays.
The input array.
You may modify the behavior of the sort using the optional
parameter sort_flags, for details
see sort().
Returns TRUE on success or FALSE on failure.
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
