3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function chain(...$iters) { foreach ($iters as $iter) { yield from $iter; } } $gen = (function() { yield 1; yield 2; yield 3; })(); $repeatedTwice = chain($gen, $gen);
based on IJXs4
Output for 7.0.0 - 7.2.0
Output for 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '$iter' (T_VARIABLE) in /in/nX2oZ on line 5
Process exited with code 255.
Output for 5.4.2 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/nX2oZ on line 3
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/nX2oZ on line 3
Process exited with code 255.