3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function gen() { return; yield 1; } $append = new \AppendIterator; $append->append(gen()); foreach ($append as $foo) {}
Output for 7.0.10 - 7.2.0
Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/YC68k:9 Stack trace: #0 /in/YC68k(9): AppendIterator->rewind() #1 {main} thrown in /in/YC68k on line 9
Process exited with code 255.
Output for 5.5.0 - 5.6.24, 7.0.0 - 7.0.9

Process exited with code 139.
Output for hhvm-3.11.1 - 3.17.3
Output for hhvm-3.10.1
Fatal error: Uncaught exception 'Exception' with message 'Generator is already finished' in /in/YC68k:9 Stack trace: #0 /in/YC68k(9): AppendIterator->rewind() #1 {main}
Process exited with code 255.
Output for 5.6.25 - 5.6.30
Fatal error: Uncaught exception 'Exception' with message 'Cannot traverse an already closed generator' in /in/YC68k:9 Stack trace: #0 /in/YC68k(9): AppendIterator->rewind() #1 {main} thrown in /in/YC68k on line 9
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/YC68k 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_LNUMBER in /in/YC68k 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_LNUMBER in /in/YC68k on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/YC68k on line 5
Process exited with code 255.