3v4l.org

run code in 200+ PHP versions simultaneously
<?php class Model { protected $comments; public function __construct() { $this->comments = new class { public function count() { return rand(1, 20); } }; } } class CommentCount { private $count; public function __construct(int $count) { $this->count = $count; } public function getCount(): int { return $this->count; } } class Post extends Model { public function commentCount(): CommentCount { return new CommentCount($this->comments->count()); } } $post = new Post(); $commentCount = $post->commentCount(); var_dump($commentCount->getCount()); var_dump($commentCount->getCount()); var_dump($commentCount->getCount()); var_dump($commentCount->getCount()); var_dump($commentCount->getCount());
based on FlXpC
Output for 7.2.3, 7.4.5
int(9) int(9) int(9) int(9) int(9)
Output for 7.3.4, 7.3.12, 7.4.4
int(13) int(13) int(13) int(13) int(13)
Output for 7.2.10 - 7.2.11, 7.4.3
int(6) int(6) int(6) int(6) int(6)
Output for 7.3.15, 7.4.2
int(7) int(7) int(7) int(7) int(7)
Output for 7.2.8, 7.4.1
int(5) int(5) int(5) int(5) int(5)
Output for 7.2.21, 7.4.0
int(2) int(2) int(2) int(2) int(2)
Output for 7.2.4, 7.3.0 - 7.3.1, 7.3.17
int(15) int(15) int(15) int(15) int(15)
Output for 7.2.2, 7.2.7, 7.2.18, 7.3.3, 7.3.16
int(8) int(8) int(8) int(8) int(8)
Output for 7.2.16, 7.3.13 - 7.3.14
int(18) int(18) int(18) int(18) int(18)
Output for 7.3.11
int(16) int(16) int(16) int(16) int(16)
Output for 7.2.6, 7.2.14, 7.3.10
int(10) int(10) int(10) int(10) int(10)
Output for 7.2.13, 7.2.24, 7.3.9
int(14) int(14) int(14) int(14) int(14)
Output for 7.2.19, 7.2.28, 7.3.5, 7.3.8
int(19) int(19) int(19) int(19) int(19)
Output for 7.3.6 - 7.3.7
int(20) int(20) int(20) int(20) int(20)
Output for 7.2.27, 7.3.2
int(4) int(4) int(4) int(4) int(4)
Output for 7.2.5, 7.2.9, 7.2.15, 7.2.29
int(17) int(17) int(17) int(17) int(17)
Output for 7.2.17, 7.2.26
int(12) int(12) int(12) int(12) int(12)
Output for 7.2.0 - 7.2.1, 7.2.12, 7.2.23, 7.2.25
int(11) int(11) int(11) int(11) int(11)
Output for 7.2.22
int(3) int(3) int(3) int(3) int(3)
Output for 7.2.20
int(1) int(1) int(1) int(1) int(1)