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How to Remove Duplicates Values From an Array in PHP

Remove Duplicates From Array in PHP

In this article, we will discuss how to remove duplicates values from an array in php. For that, we need to use PHP array_unique() function. This function allows stripping an array of duplicate values with its array_unique() function, which accepts an array and returns a new array containing only unique values. So, If you are in a situation your array has only unique values then you need to use PHP array_unique function. Let’s see the example code:


$duplicates = array('a', 'b', 'a', 'b', 'd', 'c','d');
$uniques = array_unique($duplicates); // remove duplicate values


a, b, d, c

  1. Here, we have created duplicate values in the array “duplicates”.
  2. Then we want to remove duplicate values, so we use the arrray_unique() function and pass the array “duplicate”.
  3. Then print the duplicate array. See the output, the duplicate values is removed.
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