<?php
$merged = [
'a' => 'b',
'b' => 'c',
'c' => 'z',
'd' => 'a',
'e' => 'z'
];
$aliasesReduced = false;
while(!$aliasesReduced) {
$aliasesReduced = true;
foreach($merged as $originalId => &$mergedId) {
if (array_key_exists($mergedId, $merged)) {
$mergedId = $merged[$mergedId];
$aliasesReduced = false;
}
}
}
print_r($merged);
- Output for 5.4.0 - 5.4.45, 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- Array
(
[a] => z
[b] => z
[c] => z
[d] => z
[e] => z
)
- 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/ArM3a on line 4
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/ArM3a on line 4
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/ArM3a on line 4
Process exited with code 255.
preferences:
227.65 ms | 401 KiB | 345 Q