How to reverse an array in PHP

How to reverse an array in PHP

In this tutorial we will learn How to reverse an array in PHP, we can use PHP array_reverse() function which is a built-in php function made for this purpose. This function can reverse any array passed to it.

Table of Contents

PHP array_reverse() function

PHP array_reverse() function returns an array which is a reversed version of original array.

array_reverse() function can also preserve the keys if we want to.

Reversing an Indexed array

<?php
$array = array("HTML","CSS","PHP");
$reversedArray = array_reverse($array);
print_r($reversedArray);
?>

The above code shows how to reverse an indexed array with help of array_reverse() function.

Reversing an Associative array

<?php
$array = array("a"=>"HTML","b"=>"CSS","c"=>"PHP");
$reversedArray = array_reverse($array);
print_r($reversedArray);
?>

Second example shows how to reverse an associative array.

Demo

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