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<?php function gen_one_to_three() { for ($i = 1; $i <= 10; $i++) { if (($val = (yield $i)) !== null) { echo 'ping: ' . $val . PHP_EOL; } } } $generator = gen_one_to_three(); foreach ($generator as $value) { $val = $generator->send($value); echo 'pong: ' . $val . PHP_EOL; }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
ping: 1 pong: 2 ping: 3 pong: 4 ping: 5 pong: 6 ping: 7 pong: 8 ping: 9 pong: 10
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/tTD0W on line 6
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 T_VARIABLE in /in/tTD0W on line 6
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 T_VARIABLE in /in/tTD0W on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tTD0W on line 6
Process exited with code 255.
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230.57 ms | 401 KiB | 460 Q