3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function& foo() { static $bar = array(); yield $bar; return $bar; } $g = foo(); foreach($g as &$val) { var_dump($val); $val[] = 42; } var_dump($g->getReturn()); $g = foo(); foreach($g as &$val) { var_dump($val); $val[] = 42; } var_dump($g->getReturn());
based on 9tM0H
Output for 7.0.0 - 7.2.0
array(0) { } array(1) { [0]=> int(42) } array(1) { [0]=> int(42) } array(2) { [0]=> int(42) [1]=> int(42) }
Output for 5.5.24 - 5.6.28
Fatal error: Generators cannot return values using "return" in /in/Vbgkd on line 6
Process exited with code 255.
Output for 5.4.2 - 5.4.45
Parse error: syntax error, unexpected '$bar' (T_VARIABLE) in /in/Vbgkd on line 5
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/Vbgkd on line 5
Process exited with code 255.