3v4l.org

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<?php function getFibonacci() { $i = 0; $k = 1; //first fibonacci value yield $k; while(true) { $k = $i + $k; $i = $k - $i; yield $k; } } $y = 0; foreach(getFibonacci() as $fibonacci) { echo $fibonacci . ","; $y++; if($y > 30) { break; // infinite loop prevent } }
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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
1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765,10946,17711,28657,46368,75025,121393,196418,317811,514229,832040,1346269,
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$k' (T_VARIABLE) in /in/7UlWS 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/7UlWS 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/7UlWS on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7UlWS on line 7
Process exited with code 255.
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229.05 ms | 401 KiB | 392 Q