3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function &generator() { foreach(range(1, 20) as $val) { yield $val; } } foreach(generator() as &$val) { var_dump($val); }
based on ZCZAg
Output for 5.5.24 - 5.6.28, 7.0.0 - 7.1.0
int(1) int(2) int(3) int(4) int(5) int(6) int(7) int(8) int(9) int(10) int(11) int(12) int(13) int(14) int(15) int(16) int(17) int(18) int(19) int(20)
Output for hhvm-3.10.0 - 3.12.0
Fatal error: An iterator cannot be used with foreach by reference in /in/sfpnO on line 11
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$val' (T_VARIABLE) in /in/sfpnO 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_VARIABLE in /in/sfpnO 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_VARIABLE in /in/sfpnO on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sfpnO on line 5
Process exited with code 255.