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<?php function ping_pong() { for ($i = 1; $i <= 10; $i++) { $val = (yield $i); // if ( !== null) // { echo 'ping: ' . $val . PHP_EOL; // } } } $generator = ping_pong(); foreach ($generator as $value) { echo 'ite:' . $value . PHP_EOL; echo 'pong: ' . $generator->send($value) . PHP_EOL; }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 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
ite:1 ping: 1 pong: 2 ping: ite:3 ping: 3 pong: 4 ping: ite:5 ping: 5 pong: 6 ping: ite:7 ping: 7 pong: 8 ping: ite:9 ping: 9 pong: 10 ping:
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/VFQQY on line 7
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/VFQQY on line 7
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/VFQQY on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VFQQY on line 7
Process exited with code 255.
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210.32 ms | 401 KiB | 311 Q