PHP: array_reverse() function
PHP: Create an array with elements in reverse order
The array_reverse() function is used to reverse the order of the elements in an array.
Version:
(PHP 4 and above)
Syntax:
array_reverse(array_name, preserve_keys)
Parameter:
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| array_name | Specifies the name of the array. | Required | Array |
| preserve_keys | Specify TRUE or FALSE whether function shall preserve the array's keys or not. The default value is FALSE. | Optional | Boolean |
Return value:
The reversed array.
Value Type: Array
Example:
<?php
$a= array(1,2,3,4,5);
$x = array_reverse($a,true);
$y = array_reverse($a);
print_r($x);
echo '</br> ';
print_r($y);
?>
Output:
Array ([4] => 5 [3] => 4 [2] => 3 [1] => 2 [0] => 1)
Array ([0] => 5 [1] => 4 [2] => 3 [3] => 2 [4] => 1)
Pictorial Presentation:
View the example in the browser
Practice here online :
See also
Previous: array_reduce
Next: array_search
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https://www.w3resource.com/php/function-reference/array_reverse.php
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