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.
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範例 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"; } ?>
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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().
注:
The second parameter was added in PHP 4.