ksort
(PHP 3, PHP 4 , PHP 5)
ksort -- Sort an array by key
Description
bool
ksort ( array &array [, int sort_flags] )
Sorts an array by key, maintaining key to data correlations. This
is useful mainly for associative arrays.
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);
reset($fruits);
while (list($key, $val) = each($fruits)) {
echo "$key = $val\n";
}
?>
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The above example will output: 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(),
krsort(), uksort(),
sort(), natsort(), and
rsort().
Note:
The second parameter was added in PHP 4.