@ 2014-08-21T10:13:39Z <?php
function xrange($start, $limit, $step = 1) {
if ($start < $limit) {
if ($step <= 0) {
throw new LogicException('Step must be +ve');
}
for ($i = $start; $i <= $limit; $i += $step) {
yield $i;
}
} else {
if ($step >= 0) {
throw new LogicException('Step must be -ve');
}
for ($i = $start; $i >= $limit; $i += $step) {
yield $i;
}
}
}
/*
* Note that both range() and xrange() result in the same
* output below.
*/
echo 'Single digit odd numbers from range(): ';
foreach (range(1, 9, -2) as $number) {
echo "$number ";
}
echo "\n";
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Output for 8.3.0 - 8.3.4 Single digit odd numbers from range():
Fatal error: Uncaught ValueError: range(): Argument #3 ($step) must be greater than 0 for increasing ranges in /in/H1oZn:29
Stack trace:
#0 /in/H1oZn(29): range(1, 9, -2)
#1 {main}
thrown in /in/H1oZn on line 29
Process exited with code 255 . Output for 5.5.24 - 5.5.35 , 5.6.7 - 5.6.28 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.27 , 8.2.0 - 8.2.17 Single digit odd numbers from range(): 1 3 5 7 9
Output for 5.4.0 - 5.4.45 Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/H1oZn 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/H1oZn 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/H1oZn 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/H1oZn 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/H1oZn on line 6
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error in /in/H1oZn on line 6
Process exited with code 255 . preferences:dark mode live preview
271.89 ms | 401 KiB | 353 Q