- json_encode: documentation ( source)
- printf: documentation ( source)
<?php
function foo($ok) {
if ($ok) {
return array('foo', 42);
}
return null;
}
foreach (array(true, false) as $ok) {
list($a, $b) = foo($ok);
printf("a: %s; b: %s\n", json_encode($a), json_encode($b));
}