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run code in 200+ php & hhvm versions
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<?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());
Output for hhvm-3.11.1 - 3.17.3, 7.0.0 - 7.2.0
array(0) { } array(0) { }
Output for 5.5.0 - 5.6.30, hhvm-3.10.1
Fatal error: Generators cannot return values using "return" in /in/Z9oSM on line 6
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$bar' (T_VARIABLE) in /in/Z9oSM on line 5
Process exited with code 255.