KSORT(3) 1 KSORT(3)
ksort - Sort an array by key
SYNOPSIS
bool ksort (array &$array, [int $sort_flags = SORT_REGULAR])
DESCRIPTION
Sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays.
PARAMETERS
o $array
- The input array.
o $sort_flags
- You may modify the behavior of the sort using the optional parameter $sort_flags, for details see sort(3).
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
ksort(3) example
<?php
$fruits = array("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
ksort($fruits);
foreach ($fruits as $key => $val) {
echo "$key = $val
";
}
?>
The above example will output:
a = orange
b = banana
c = apple
d = lemon
SEE ALSO
asort(3), The comparison of array sorting functions.
PHP Documentation Group KSORT(3)
