3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // Everything you enter here will be executed by our servers. Try it! $foo = function () { $bar = (yield "foo"); var_dump($bar); }; $c = $foo(); var_dump($c->current()); $c->next(); $c->send("bar");
Output for 5.5.24 - 5.6.28, 7.0.0 - 7.1.0
string(3) "foo" NULL
Output for hhvm-3.12.0
string(3) "foo" NULL Fatal error: Uncaught exception 'Exception' with message 'Generator is already finished' in /in/AHMqG:13 Stack trace: #0 /in/AHMqG(13): Generator->send() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: Uncaught exception 'Exception' with message 'Need to call next() first' in /in/AHMqG:-1 Stack trace: #0 /in/AHMqG(-1): Generator->current() #1 {main}
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '"foo"' (T_CONSTANT_ENCAPSED_STRING) in /in/AHMqG on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/AHMqG on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/AHMqG 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_FUNCTION in /in/AHMqG on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/AHMqG on line 4
Process exited with code 255.