Helper function to clean empty array values from a one-dimensional array input

array_clean.php

<?php

/**
 * Ensure that the input array has no empty-string values assigned.
 *
 * @param  array  $array
 *
 * @return array
 */
function array_clean(array $array)
{
    // Trim the array input values
    $array = array_map('trim', $array);

    // Filter any empty-string values out
    return array_filter($array, function ($item) {
        return $item !== '';
    });
}