(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)
ksort -- Sort an array by key
Description
int ksort (array array [, int sort_flags])
Sorts an array by key, maintaining key to data correlations. This is useful mainly for
associative arrays.
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Example 1. ksort() example
$fruits = array ("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
ksort ($fruits);
reset ($fruits);
while (list ($key, $val) = each ($fruits)) {
echo "$key = $val\n";
}
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This example would display:
a = orange
b = banana
c = apple
d = lemon
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You may modify the behavior of the sort using the optional parameter
sort_flags, for details see sort().
See also asort(),
arsort(), sort(), natsort(), and
rsort().
Note: The second parameter was added in PHP 4.
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