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gyro/core/model/base/fields/dbfield.serialized.cls.php

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<?php
require_once dirname(__FILE__) . '/dbfield.text.cls.php';

/**
 * A field to serialize content, can be anything, e.g. an array
 * 
 * @author Gerd Riesselmann
 * @ingroup Model
 */
class DBFieldSerialized extends DBFieldText {
        public function __construct($name, $length = DBFieldText::BLOB_LENGTH_SMALL, $default_value = null, $policy = self::NONE) {
                /* @TODO Should default value be serialized here? */
                parent::__construct($name, $length, serialize($default_value), $policy);
        }
        
        /**
         * Returns true, if the value passed fits the fields restrictions
         *
         * @param mixed $value
         * @return Status
         */
        public function validate($value) {
                return parent::validate(serialize($value));
        }
        
        /**
         * Format values that are not NULL
         * 
         * @param mixed $value
         * @return string
         */
        protected function do_format_not_null($value) {
                return parent::do_format_not_null(serialize($value));
        }

        /**
         * Transform result from SELECT to native
         * 
         * @param mixed $value
         * @return mixed    
         */
        public function convert_result($value) {
                return is_null($value) ? null : unserialize($value);
        }
        
        /**
         * Returns the default value for this field
         *
         * @return mixed
         */
        public function get_field_default() {
                $ret = parent::get_field_default();
                if ($ret) {
                        $ret = unserialize($ret);
                }
                return $ret;
        }       
}

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