(PECL judy >= 0.1.1)
  	
    
      
      Search for the first absent index in the Judy array
    
    
      
      public int Judy::firstEmpty ([ mixed $index = 0  ] )
    
    
    
    Search (inclusive) for the first absent index that is equal to or greater than the passed Index.
Parameters: 
  
      
      
      	index
    	
 
    	The index can be an integer or a string corresponding to the index where to start the search.
Returns: 
    Return the corresponding index in the array.
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