| The ReturnTypeWillChange attributeIntroduction
    Most non-final internal methods now require overriding methods to declare
    a compatible return type, otherwise a deprecated notice is emitted during
    inheritance validation.
    In case the return type cannot be declared for an overriding method due to
    PHP cross-version compatibility concerns,
    a  Class synopsis
     final
     ReturnTypeWillChange
     /* Methods */ 
   public  __construct() See Also
 |