function array_display($array, $pre=FALSE)
{
$tag = $pre ? 'pre' : 'p';
printf("<%s>%s\n", $tag, var_export($array, TRUE), $tag);
}
function get_pay($emp, $hr, $rt)
{
return sprintf('%s worked %.2f hours, and grossed $%.2f',
$emp, $hr, $rt * $hr);
}
function display_pd_emp(&$el)
{
printf("%s.
\n", $el);
}
$employees = array('A', 'B', 'C', 'D', 'N');
$hours = array(35.2, 37.4, 41.3, 28.8, 38.5);
$rates = array(12.5, 12.5, 13.75, 9.85, 11.6);
$paid_emps = array_map('get_pay', $employees, $hours, $rates);
array_walk($paid_emps, 'display_pd_emp');
array_display($paid_emps, TRUE);
?>