(PHP 5 >= 5.2.0, PHP 7, PHP 8)
ArrayIterator::uksort — Sort by keys using a user-defined comparison function
This method sorts the elements by keys using a user-supplied comparison function.
Nota:
If two members compare as equal, they retain their original order. Prior to PHP 8.0.0, their relative order in the sorted array was undefined.
callback
La funzione di confronto deve restituire un intero minore, uguale o maggiore di zero se il primo argomento è considerato essere minore, uguale o maggiore del secondo.
Always returns true
.
Versione | Descrizione |
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8.2.0 |
The return type is true now; previously, it was bool.
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