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PHP Manual :: asort

arsort || compact || Array Functions || PHP Manual

(PHP 4, PHP 5, PHP 7)

asortSort an array and maintain index association


bool asort ( array &$array [, int $sort_flags = SORT_REGULAR ] )

This function sorts an array such that array indices maintain their correlation with the array elements they are associated with. This is used mainly when sorting associative arrays where the actual element order is significant.



The input array.


You may modify the behavior of the sort using the optional parameter sort_flags, for details see sort().

Return Values

Returns TRUE on success or FALSE on failure.


Example #1 asort() example

= array("d" => "lemon""a" => "orange""b" => "banana""c" => "apple");
foreach (
$fruits as $key => $val) {
"$key = $val\n";

The above example will output:

c = apple
b = banana
d = lemon
a = orange

The fruits have been sorted in alphabetical order, and the index associated with each element has been maintained.

See Also

arsort || compact || Array Functions || PHP Manual
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