--TEST--
Clone as a function.
--FILE--
<?php

$x = new stdClass();

\var_dump(\clone($x));
\var_dump(\array_map('clone', [$x, $x, $x]));
\var_dump(\array_map(clone(...), [$x, $x, $x]));

class Foo {
    private function __clone() {
        
    }

    public function clone_me() {
        // Verify visibility when going through array_map().
        return array_map(\clone(...), [$this]);
    }
}

$f = new Foo();

$clone = $f->clone_me()[0];

var_dump($f !== $clone);

?>
--EXPECTF--
object(stdClass)#%d (0) {
}
array(3) {
  [0]=>
  object(stdClass)#%d (0) {
  }
  [1]=>
  object(stdClass)#%d (0) {
  }
  [2]=>
  object(stdClass)#%d (0) {
  }
}
array(3) {
  [0]=>
  object(stdClass)#%d (0) {
  }
  [1]=>
  object(stdClass)#%d (0) {
  }
  [2]=>
  object(stdClass)#%d (0) {
  }
}
bool(true)