--TEST--
Indirect function calls
--FILE--
<?php

function id($x = 'id') { return $x; }

var_dump(0);

id('var_dump')(1);
id('id')('var_dump')(2);
id('id')('id')('var_dump')(3);
id()()('var_dump')(4);

id(['udef', 'id'])[1]()('var_dump')(5);
(id((object) ['a' => 'id', 'b' => 'udef'])->a)()()()()('var_dump')(6);

$id = function($x) { return $x; };

$id($id)('var_dump')(7);

(function($x) { return $x; })('id')('var_dump')(8);

($f = function($x = null) use (&$f) {
    return $x ?: $f;
})()()()('var_dump')(9);

class Test {
    public static function id($x = [__CLASS__, 'id']) { return $x; }
}

$obj = new Test;
[$obj, 'id']()('id')($id)('var_dump')(10);
['Test', 'id']()()('var_dump')(11);
'id'()('id')('var_dump')(12);
('i' . 'd')()('var_dump')(13);
'\id'('var_dump')(14);

?>
--EXPECT--
int(0)
int(1)
int(2)
int(3)
int(4)
int(5)
int(6)
int(7)
int(8)
int(9)
int(10)
int(11)
int(12)
int(13)
int(14)