root/trunk/patForms/Filter/Implode.php

<?php
/**
 * patForms implode filter
 *
 * Converts array values in a comma-separated string.
 *
 * @package        patForms
 * @subpackage    Filter
 */

/**
 * patForms implode filter
 *
 * Converts array values in a comma-separated string.
 *
 * @package        patForms
 * @subpackage    Filter
 * @author        Stephan Schmidt <schst@php-tools.net>
 * @license        LGPL, see license.txt for details
 * @link        http://www.php-tools.net
 * @version        1.0
 */
class patForms_Filter_Implode extends patForms_Filter {

   /**
    * type of the filter
    *
    * @access    private
    */
    var $_type = PATFORMS_FILTER_TYPE_PHP;

   /**
    * Filter value that is returned by patForms
    *
    * This method is applied when patForms_Element::getValue()
    * or patForms::getValues() is called.
    *
    * @abstract
    * @access    public
    * @param    string    value
    * @return    float    filtered value
    */
    function out($value) {
        if (is_array($value)) {
            $value = implode(', ', $value);
        }
        return $value;
    }

   /**
    * Filter value that is passed to patForms
    *
    * This method is applied when patForms_Element::setValue()
    * or patForms::setValues() is called.
    *
    * @abstract
    * @access    public
    * @param    mixed    value
    * @return    mixed    filtered value
    */
    function in($value) {
        return $value;
    }
}
?>