PHP array_unique( ) Function

The array_unique( ) function is an inbuilt function of PHP and it is used to remove duplicate values from an array. This function was introduced in 4.0.1

Syntax

Parameters

Return

The array_unique( ) function returns the filtered array.

Example 1

Output:

 Array ( [a] => zee [c] =>aajtak [d] =>ndtv ) 

Example 2

Output:

 Array ( [0] => java [1] =>php [3] => python [4] => html ) 

Example 3

Output:

 Array ( [a] =>abhijeet [b] =>arijit ) 

Example 4

Output:

 Array ( [a] => dell [0] =>hp [1] =>leneovo )