(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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