3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function a() { var_dump(yield 3 => 4 . '1'); } foreach(a() as $k => $v) { var_dump($k, $v); }
based on mQJX3
Output for 5.5.24 - 5.6.28, 7.0.0 - 7.1.0
int(3) string(2) "41" NULL
Output for hhvm-3.10.0 - 3.12.0
Fatal error: syntax error, unexpected T_YIELD, expecting ')' in /in/QXlTE on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '3' (T_LNUMBER) in /in/QXlTE on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/QXlTE on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_LNUMBER in /in/QXlTE on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/QXlTE on line 5
Process exited with code 255.