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<?php function xrange($start, $limit, $step = 1) { if ($start < $limit) { if ($step <= 0) { throw new LogicException('Step must be +ve'); } echo $step; for ($i = $start; $i <= $limit; $i += $step) { yield $i; echo 'iter' . $i; } } } /* * Note that both range() and xrange() result in the same * output below. */ echo 'Single digit odd numbers from range(): '; foreach (range(1, 9, -5) as $number) { echo $number; }
Output for 8.3.0 - 8.3.6
Single digit odd numbers from range(): Fatal error: Uncaught ValueError: range(): Argument #3 ($step) must be greater than 0 for increasing ranges in /in/TKP27:22 Stack trace: #0 /in/TKP27(22): range(1, 9, -5) #1 {main} thrown in /in/TKP27 on line 22
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 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
Single digit odd numbers from range(): 16
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/TKP27 on line 10
Process exited with code 255.
Output for 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/TKP27 on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_VARIABLE in /in/TKP27 on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_NEW in /in/TKP27 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
Parse error: parse error, unexpected T_NEW in /in/TKP27 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TKP27 on line 6
Process exited with code 255.
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268.07 ms | 401 KiB | 354 Q