3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a(): Generator { for ($i = 0; $i <= 10; ++$i) { yield $i; } } function b(): Generator { echo 'php from b()'; return a(); } function c(): Generator { echo 'php from c()'; yield from a(); } b(); c();
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
php from b()

preferences:
148.67 ms | 407 KiB | 5 Q