(PHP 5 >= 5.3.0, PHP 7)
  	
    
      
      Unsets the value at the specified $index
    
    
      
      public void  SplFixedArray::offsetUnset ( int $index )
    
    
    
    Unsets the value at the specified index.
Parameters: 
  
      
      
      	index
    	
 
    	The index being unset.
Returns: 
    No value is returned.
Exception: 
    
     Throws RuntimeException when index is outside the defined size of the array or when index cannot be parsed as an integer. 
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