PHP shuffle() Function
Example
Randomize the order of the elements in the array:
<?php
$my_array = array("red","green","blue","yellow","purple");
shuffle($my_array);
print_r($my_array);
?>
Run example »
Definition and Usage
The shuffle() function randomizes the order of the elements in the array.
This function assigns new keys for the elements in the array. Existing keys will be removed (See Example 1 below).
Syntax
shuffle(array)
| Parameter | Description |
|---|---|
| array | Required. Specifies the array to use |
Technical Details
| Return Value: | Returns TRUE on success or FALSE on failure |
|---|---|
| PHP Version: | 4+ |
| Changelog: | As of PHP 4.2.0, the random number generator is seeded automatically |
More Examples
Example 1
Randomize the order of the elements in the array:
<?php
$my_array = array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow","e"=>"purple");
shuffle($my_array);
print_r($my_array);
?>
Run example »
PHP Array Reference
