Last Updated : 17 Mar 2025

The PHP shuffle( ) function is used to randomize the order of the elements in the array. The function assigns new keys to the elements in an array. This function introduced in PHP 4.0.

Syntax

Parameter

Returns

The shuffle( ) function returns true on success or false on failure.

Example 1

Output- Every time output is random

Array
(
    [0] => networking
    [1] =>dbms
    [2] =>os
    [3] => compiler
    [4] => java
)

Example 2

Output- Every time output is random

(
    [0] =>bangalore
    [1] =>hyderabad
    [2] =>kolkata
)

Example 3

Output- Every time output is random

Array
(
    [0] => apple
    [1] => banana
    [2] => mango
)

Example 4

Output- Every time output is random

Array
(
    [0] => 4
    [1] => 5
    [2] => 3
    [3] => 2
    [4] => 1
)