Class **Phalcon\\Filter**
=========================

*implements* :doc:`Phalcon\\FilterInterface <Phalcon_FilterInterface>`

.. role:: raw-html(raw)
   :format: html

:raw-html:`<a href="https://github.com/phalcon/cphalcon/blob/master/phalcon/filter.zep" class="btn btn-default btn-sm">Source on GitHub</a>`

The Phalcon\\Filter component provides a set of commonly needed data filters. It provides object oriented wrappers to the php filter extension. Also allows the developer to define his/her own filters  

.. code-block:: php

    <?php

    $filter = new \Phalcon\Filter();
    $filter->sanitize("some(one)@exa\\mple.com", "email"); // returns "someone@example.com"
    $filter->sanitize("hello<<", "string"); // returns "hello"
    $filter->sanitize("!100a019", "int"); // returns "100019"
    $filter->sanitize("!100a019.01a", "float"); // returns "100019.01"



Constants
---------

*string* **FILTER_EMAIL**

*string* **FILTER_ABSINT**

*string* **FILTER_INT**

*string* **FILTER_INT_CAST**

*string* **FILTER_STRING**

*string* **FILTER_FLOAT**

*string* **FILTER_FLOAT_CAST**

*string* **FILTER_ALPHANUM**

*string* **FILTER_TRIM**

*string* **FILTER_STRIPTAGS**

*string* **FILTER_LOWER**

*string* **FILTER_UPPER**

Methods
-------

public  **add** (*mixed* $name, *mixed* $handler)

Adds a user-defined filter



public  **sanitize** (*mixed* $value, *mixed* $filters, [*mixed* $noRecursive])

Sanitizes a value with a specified single or set of filters



protected  **_sanitize** (*mixed* $value, *mixed* $filter)

Internal sanitize wrapper to filter_var



public  **getFilters** ()

Return the user-defined filters in the instance