3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function gen() { for($i=1; $i<10; $i++) yield $i; } $i = gen(); //print_r($i); echo $i->current(); $i->next(); echo "foreaching...\n"; foreach($i as $x) { echo "what"; echo $x . "\n"; }
based on vmuCm
Output for 7.0.0 - 7.1.0
1foreaching... Fatal error: Uncaught Exception: Cannot rewind a generator that was already run in /in/Illcu:16 Stack trace: #0 {main} thrown in /in/Illcu on line 16
Process exited with code 255.
Output for hhvm-3.12.0
1foreaching... what2 what3 what4 what5 what6 what7 what8 what9
Output for hhvm-3.10.0
Fatal error: Uncaught exception 'Exception' with message 'Need to call next() first' in /in/Illcu:11 Stack trace: #0 /in/Illcu(11): Generator->current() #1 {main}
Process exited with code 255.
Output for 5.5.24 - 5.6.28
1foreaching... Fatal error: Uncaught exception 'Exception' with message 'Cannot rewind a generator that was already run' in /in/Illcu:16 Stack trace: #0 /in/Illcu(16): unknown() #1 {main} thrown in /in/Illcu on line 16
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/Illcu 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_VARIABLE in /in/Illcu 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_VARIABLE in /in/Illcu on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Illcu on line 4
Process exited with code 255.