3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Pipe { var $stderr; } function generator_eval(Generator $gen) { foreach ($gen as $k => $v) {} } function words() { foreach (["foo", "bar", "baz"] as $word) { yield $word; } } function uppercase(Traversable $in, Generator $error) { foreach ($in as $word) { yield strtoupper($word); } } function each_println(Traversable $in) { foreach ($in as $line) { echo "$line\n"; } } $stderr = function() { for (;;) { $error = (yield); echo "Error! $error\n"; } }; each_println(uppercase(words(), $stderr()));
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
FOO BAR BAZ
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$word' (T_VARIABLE) in /in/dkvK6 on line 16
Process exited with code 255.
Output for 5.1.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/dkvK6 on line 15
Process exited with code 255.
Output for 5.1.0 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/dkvK6 on line 5 Parse error: syntax error, unexpected '[' in /in/dkvK6 on line 15
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/dkvK6 on line 5 Parse error: parse error, unexpected '[' in /in/dkvK6 on line 15
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/dkvK6 on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/dkvK6 on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/dkvK6 on line 8
Process exited with code 255.