/* Auto-generated from php/php-langspec tests */
string(6) "double"
Result of calling doit using function double = 20
-------
string(6) "square"
Result of calling doit using function square = 100
-------
object(Closure)#1 (1) {
  ["parameter"]=>
  array(1) {
    ["$p"]=>
    string(10) "<required>"
  }
}
Result of calling doit using double closure = 10
-------
object(Closure)#1 (1) {
  ["parameter"]=>
  array(1) {
    ["$p"]=>
    string(10) "<required>"
  }
}
Result of calling doit using square closure = 25
-------