(PHP 5 >= 5.2.0, PHP 7)
User defined sort
public void ArrayIterator::uasort ( string $cmp_function )
Sort the entries by values using user defined function.
Parameters:
cmp_function
The compare function used for the sort.
Returns:
No value is returned.
This function is currently not documented; only its argument list is available.
See also:
usort() -
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