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run code in 150+ php & hhvm versions
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<?php function ping_pong() { for ($i = 1; $i <= 10; $i++) { $val = (yield $i); var_dump($val); echo 'ping: ' . $val . PHP_EOL; } } $generator = ping_pong(); foreach ($generator as $value) { echo 'pong: ' . $generator->send($value) . PHP_EOL; }
Output for 5.5.24 - 7.1.0
int(1) ping: 1 pong: 2 NULL ping: int(3) ping: 3 pong: 4 NULL ping: int(5) ping: 5 pong: 6 NULL ping: int(7) ping: 7 pong: 8 NULL ping: int(9) ping: 9 pong: 10 NULL ping:
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/CUCEp on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/CUCEp on line 7
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_VARIABLE in /in/CUCEp on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/CUCEp on line 7
Process exited with code 255.