3v4l.org

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<?php function g() { foreach (["a","b","c"] as $val) { yield $val; } var_dump(yield); var_dump(yield); var_dump(yield); } $g = g(); foreach ($g as $i => $v) { $g->send($i); var_dump($v); }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(1) "a" string(1) "c" NULL int(4) NULL NULL
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$val' (T_VARIABLE) in /in/cQWVJ on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/cQWVJ on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/cQWVJ on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/cQWVJ on line 4
Process exited with code 255.
preferences:
322.26 ms | 401 KiB | 456 Q