3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function genId() { $i = 1; while (true) { yield $i++; } } $id = genId(); for ($x=0; $x < 5; $x++) { echo $id->next(); }
based on mvV6S
Output for 5.5.24 - 7.1.0
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/rO6NS 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/rO6NS 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/rO6NS on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/rO6NS on line 5
Process exited with code 255.