ksort

(PHP 3, PHP 4 )

ksort -- Sort an array by key

설명

int ksort ( array array [, int sort_flags])

Sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays.

예 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";

}

This example would display:

fruits[a] = orange

fruits[b] = banana

fruits[c] = apple

fruits[d] = lemon

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().

참고: The second parameter was added in PHP 4.