How to delete identical values ​​from php array

php array deletes the same values

In PHP, you can use the "array_unique()" function to remove duplicate values ​​in the array , the usage of this function is "array_unique($array)", its parameter $array represents the array from which duplicate values ​​are to be removed, and the return value of this function is the array after removing duplicate values.

array_unique example

<?php
$input = array("a" => "green", "red", "b" => "green", "blue", "red");
$result = array_unique($input);
print_r($result);
?>

Output result:

Array
(
    [a] => green
    [0] => red
    [1] => blue
)

The above is the detailed content of How to delete identical values ​​from php array. For more information, please follow other related articles on the PHP Chinese website!