How to remove duplicate elements from an array in php
php method to remove duplicate elements in an array: This can be achieved through the built-in function array_unique(). The array_unique() function removes duplicate values from the array and returns the filtered array. If there are multiple identical elements in the array, only the first value is retained.
#php provides us with a dedicated built-in function array_unique() to solve this problem. This function removes duplicate values from an array and returns the filtered array. If two or more array values are the same, only the first value is retained and the other values are removed.
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Syntax:
array_unique(array)
Code example:
<?php $input = array("a" => "green", "red", "b" => "green", "blue", "red"); $result = array_unique($input); print_r($result); ?>
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Running result:
Array ( [a] => green [0] => red [1] => blue )
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