summaryrefslogtreecommitdiff
path: root/Zend/tests/generators/gc_with_yield_from.phpt
blob: 68ec7ebe92e434fb0be9079b8a3e6fb0eeebc145 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
--TEST--
Verify yield from on generators being properly cycle collected
--INI--
zend.enable_gc = 1
--FILE--
<?php

function root() {
    global $gens; // create cyclic reference to root
    try {
        yield 1;
    } finally {
        var_dump($gens);
    }
}

function gen($x) {
    global $gens;
    yield from $gens[] = $x ? gen(--$x) : root();
}

$gen = $gens[] = gen(2);
var_dump($gen->current());
unset($gen, $gens);
print "collect\n";
gc_collect_cycles();
print "end\n";

?>
--EXPECT--
int(1)
collect
array(4) {
  [0]=>
  object(Generator)#1 (0) {
  }
  [1]=>
  object(Generator)#2 (0) {
  }
  [2]=>
  object(Generator)#3 (0) {
  }
  [3]=>
  object(Generator)#4 (0) {
  }
}
end