PHP Program to check an empty array

<?php
    // array declaration
    $array1 = array('hello', 'world');
    $array2 = array();
    
    //checking whether arrays are empty or not
    if (empty($array1)) {
        echo "array1 is empty\n";
    } else {
        echo "array1 is not empty\n";
    }
    
    if (empty($array2)) {
        echo "array2 is empty\n";
    } else {
        echo "array2 is not empty\n";
    }
?>

Output

array1 is not empty
array2 is empty