shuffle
(PHP 4, PHP 5)
shuffle — Shuffle an array
Description
bool shuffle
( array &$array
)
This function shuffles (randomizes the order of the elements in) an array.
Parameters
- array
-
The array.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 shuffle() example
<?php
$numbers = range(1, 20);
shuffle($numbers);
foreach ($numbers as $number) {
echo "$number ";
}
?>
Changelog
| Version | Description |
|---|---|
| 4.2.0 | The random number generator is seeded automatically. |
Notes
Note: This function assigns new keys to the elements in array. It will remove any existing keys that may have been assigned, rather than just reordering the keys.