 |
|
 PhpDig.net |
What is PhpDig?
PhpDig is a PHP MySQL based Web Spider & Search Engine. |
asort
Description
Sorts the elements of the array given by array in ascending order by element value while maintaining the key/value associations. This function differs from sort() in that it works with both associative and indexed arrays; the a in asort() stands for associative.
This function operates directly on the passed array.
After calling asort() , the internal array pointer is on the first element of array .
(PHP 4.0.0+ only) The way in which element values are compared can be modified by passing one of the following named constants as flag :
See also
See also array_multisort() , arsort() , krsort() , ksort() , natsort() , natcasesort() , rsort() , sort() , uasort() , uksort() , usort()
Example
Example 40. Sort an array in ascending order by value
echo "Unsorted:\n";
$my_array = array("x" => "d", "z" => "c", "y" => "b", "w" => "a");
while (list($key, $val) = each($my_array)) {
echo "Key: $key Val: $val\n";
}
$ret = asort($my_array);
echo "--After sorting--\n";
echo "Sorted:\n";
while (list($key, $val) = each($my_array)) {
echo "Key: $key -- Val: $val\n";
}
Output:
Unsorted:
Key: x Val: d
Key: z Val: c
Key: y Val: b
Key: w Val: a
--After sorting--
Sorted:
Key: w -- Val: a
Key: y -- Val: b
Key: z -- Val: c
Key: x -- Val: d