3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gen1() { yield from gen2(); yield 11; yield 12; yield 13; } function gen2() { yield 1; yield 2; yield 3; } $g = gen1(); foreach ($g as $val) { var_dump($val); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(1) int(2) int(3) int(11) int(12) int(13)
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Parse error: syntax error, unexpected 'gen2' (T_STRING) in /in/skC3L on line 4
Process exited with code 255.
Output for 5.4.1 - 5.4.45
Parse error: syntax error, unexpected 'from' (T_STRING) in /in/skC3L on line 4
Process exited with code 255.

preferences:
186.36 ms | 401 KiB | 252 Q