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<?php

if (!function_exists('array_contains_all_numeric_values')) {
    /**
     * Check the first level of an array to verify all the values are numeric
     *
     * @param array $array
     * @return bool
     */
    function array_contains_all_numeric_values(array $array)
    {
        if (count($array) === count(array_filter($array, 'is_numeric'))) {
            return true;
        }
        return false;
    }
}