php in_array 2 arrays code example

Example 1: in_array php

<?php
$os = array("Apple", "Banana", "Lemon");
if (in_array("Apple", $os)) {
    echo "Yeah. Exist Apple";
}
if (!in_array("Buleberry", $os)) {
    echo "Oh, Don't Exist Blueberry!!!";
}
?>

Example 2: check if any values are the same in an array php

if(count(array_unique($array, SORT_REGULAR)) < count($array)) {
    // $array has duplicates
} else {
    // $array does not have duplicates
}