@ 2013-05-05T06:03:01Z <?php
$input = ["a", "b"];
function search($input)
{
$result = $input;
foreach($input as $a)
foreach($input as $b)
$result []= $a . $b;
array_walk($result, null);
return array_unique($result);
}
echo json_encode(search($input));
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Output for 8.0.0 - 8.0.30 , 8.1.0 - 8.1.27 , 8.2.0 - 8.2.17 , 8.3.0 - 8.3.4 Fatal error: Uncaught TypeError: array_walk(): Argument #2 ($callback) must be a valid callback, no array or string given in /in/1SKcf:12
Stack trace:
#0 /in/1SKcf(12): array_walk(Array, NULL)
#1 /in/1SKcf(16): search(Array)
#2 {main}
thrown in /in/1SKcf on line 12
Process exited with code 255 . Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.37 , 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 Warning: array_walk() expects parameter 2 to be a valid callback, no array or string given in /in/1SKcf on line 12
["a","b","aa","ab","ba","bb"] 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 '[' in /in/1SKcf on line 3
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 '[' in /in/1SKcf on line 3
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error in /in/1SKcf on line 3
Process exited with code 255 . preferences:dark mode live preview
235.73 ms | 401 KiB | 378 Q