.. _parameter-must-be-an-array-or-an-object-that-implements-countable: Parameter must be an array or an object that implements Countable ----------------------------------------------------------------- .. meta:: :description: Parameter must be an array or an object that implements Countable: The ``count()`` native function only count elements that are arrays, or objects that implements the ``Countable`` interface. :og:image: https://php-errors.readthedocs.io/en/latest/_static/logo.png :og:type: article :og:title: Parameter must be an array or an object that implements Countable :og:description: The ``count()`` native function only count elements that are arrays, or objects that implements the ``Countable`` interface :og:url: https://php-errors.readthedocs.io/en/latest/messages/parameter-must-be-an-array-or-an-object-that-implements-countable.html :og:locale: en :twitter:card: summary_large_image :twitter:site: @exakat :twitter:title: Parameter must be an array or an object that implements Countable :twitter:description: Parameter must be an array or an object that implements Countable: The ``count()`` native function only count elements that are arrays, or objects that implements the ``Countable`` interface :twitter:creator: @exakat :twitter:image:src: https://php-errors.readthedocs.io/en/latest/_static/logo.png .. raw:: html Description ___________ The ``count()`` native function only count elements that are arrays, or objects that implements the ``Countable`` interface. Anything else yields a fatal error. Example _______ .. code-block:: php Solutions _________ + Check for type before using count: ``is_array`` or ``instanceof \Countable``. In more recent PHP versions, this error message is now :ref:`must-be-of-type-countable|array,-%s-given`. Static Analysis _______________ This error may be tracked down with the following static analysis rules: `Structures/CanCountNonCountable `_.