3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php <?php function printer() { while (true) { $string = yield; echo $string; } } $printer = printer(); $printer->send('Hello world!'); ?>
Output for 5.3.0 - 5.4.17
Parse error: syntax error, unexpected '<' in /in/A6aPu on line 2
Process exited with code 255.