- printf: documentation ( source)
<?php
function f($req, $opt = null, ...$params) {
printf('$req: %d; $opt: %d; number of params: %d'."\n",
$req, $opt, count($params));
}
f(1);
f(1, 2);
f(1, 2, 3);
f(1, 2, 3, 4);
f(1, 2, 3, 4, 5);
f(1, ff, 3, 4, 5,6,7,8,9,10,11,12,13);
?>