3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php function printer() { $i=true; $times=1; while ($i) { $string = yield; yield $string; $times++; $i=false; echo $times,"\n"; } } $printer = printer(); $printer->send('Hello world!'); ?>
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.22
Parse error: syntax error, unexpected '<' in /in/ogCBE on line 2
Process exited with code 255.
preferences:
180.58 ms | 1395 KiB | 58 Q