3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo () { for ($i = 0; $i < 10; $i++) { yield $i; } } while (foo()->valid()) { foo()->next(); echo foo()->current(); }
based on vetkh
Output for 5.5.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
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Process exited with code 137.
Output for hhvm-3.10.0
Fatal error: Uncaught exception 'Exception' with message 'Need to call next() first' in /in/137uX:11 Stack trace: #0 /in/137uX(11): Generator->current() #1 {main}
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/137uX on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/137uX on line 5
Process exited with code 255.