3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function getValues() { yield "a"; yield "b"; yield "c"; } $values = getValues(); var_dump(get_class($values)); var_dump($values instanceof Generator); var_dump($values instanceof Traversable);
based on uaiPS
Output for 5.5.24 - 7.1.7, 7.2.0
string(9) "Generator" bool(true) bool(true)
Output for 7.1.10

Process exited with code 137.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '"a"' (T_CONSTANT_ENCAPSED_STRING) in /in/V1Q46 on line 4
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_CONSTANT_ENCAPSED_STRING in /in/V1Q46 on line 4
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_CONSTANT_ENCAPSED_STRING in /in/V1Q46 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/V1Q46 on line 4
Process exited with code 255.