3v4l.org

run code in 300+ PHP versions simultaneously
<?php function first() { yield from another(); } function another() { yield "test"; } foreach (first() as $string) { echo $string . "\n"; }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
test
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected 'another' (T_STRING) in /in/H7FuP 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/H7FuP on line 4
Process exited with code 255.
preferences:
240.29 ms | 401 KiB | 227 Q