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166.9 ms | 1399 KiB | 7 Q<?php
namespace A {
class T {}
}
namespace
{
class Test
{
public function first(string $str) : Closure
{
/* closure with return type declaration and use() clause */
$tmp = function() use ($str) : int {
return strlen($str);
};
return $tmp;
}
public function second() : self
{
return $this;
}
}
class SubTest extends Test
{
public function third() : parent
{
return $this;
}
/* returning a namespace-qualified type */
public function fourth() : \A\T
{
return new \A\T;
}
/* spaces are allowed around elements of the namespace */
public function fifth() : \ A \ T
{
return $this->fourth();
}
public function &sixth(\A\T &$t) : \A\T
{
return $t;
}
}
/* runtime test */
$s = new SubTest;
$t = $s->third();
var_dump(($t->second()->first("hello"))());
var_dump($s->fourth());
var_dump($s->fifth());
var_dump($s->sixth($s->fourth()));
}