--TEST--
callable type#003
--FILE--
<?php
function foo(callable $a, $b, callable $c) {
var_dump($a, $b, $c);
}
function bar(callable $a = null) {
var_dump($a);
}
foo("strpos", 123, "strpos");
bar("substr");
?>
--EXPECT--
string(6) "strpos"
int(123)
string(6) "strpos"
string(6) "substr"