3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function generator() { yield 'First value'; for ($i = 1; $i <= 3; $i++) { yield $i; } } $gen = generator(); echo $gen->current(); echo $gen->next(); foreach ($gen as $value) { echo $value . '<br/>'; }
based on E2Iio
Output for 7.0.0 - 7.2.0
First value Fatal error: Uncaught Exception: Cannot rewind a generator that was already run in /in/0AcJ5:14 Stack trace: #0 {main} thrown in /in/0AcJ5 on line 14
Process exited with code 255.
Output for 5.5.24 - 5.6.28
First value Fatal error: Uncaught exception 'Exception' with message 'Cannot rewind a generator that was already run' in /in/0AcJ5:14 Stack trace: #0 /in/0AcJ5(14): unknown() #1 {main} thrown in /in/0AcJ5 on line 14
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected ''First value'' (T_CONSTANT_ENCAPSED_STRING) in /in/0AcJ5 on line 4
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/0AcJ5 on line 4
Process exited with code 255.