ReflectionFunctionAbstract::getExtensionName
  Gets extension name
  
 
  Description
  
   public stringfalse ReflectionFunctionAbstract::getExtensionName()
  
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   The name of the extension which defined the function,
   or false for user-defined functions.
  
  
 
  See Also
  
   
    -  ReflectionFunctionAbstract::getExtension