(PHP 5 >= 5.2.0, PHP 7)
ArrayIterator::asort — Sort array by values
public ArrayIterator::asort ( ) : void
Sorts an array by values.
This function is currently not documented; only its argument list is available.
This function has no parameters.
No value is returned.
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https://www.php.net/manual/en/arrayiterator.asort.php