CSerializeBehavior.php

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<?php
class CSerializeBehavior extends CActiveRecordBehavior
{
    public $serialAttributes = array();

    public function beforeSave($event)
    {
        if (count($this->serialAttributes)) {
            foreach ($this->serialAttributes as $attribute) {
                $_att = $this->getOwner()->$attribute;

                // check if the attribute is an array, and serialize it
                if (is_array($_att)) {
                    $this->getOwner()->$attribute = base64_encode(serialize($_att));
                } else {
                    // if its a string, lets see if its unserializable, if not
                    // fuck it set it to null
                    if (is_scalar($_att)) {
                        $a = @unserialize(@base64_decode($_att));
                        if ($a === false) {
                            $this->getOwner()->$attribute = null;
                        }
                    }
                }
            }
        }
    }

    public function afterSave($event)
    {
        if (count($this->serialAttributes)) {
            foreach ($this->serialAttributes as $attribute) {
                $_att = $this->getOwner()->$attribute;
                if (!empty($_att)
                    && is_scalar($_att)
                ) {
                    $a = @unserialize(@base64_decode($_att));
                    if ($a !== false) {
                        $this->getOwner()->$attribute = $a;
                    } else {
                        $this->getOwner()->$attribute = null;
                    }
                }
            }
        }
    }

    public function afterFind($event)
    {
        if (count($this->serialAttributes)) {
            foreach ($this->serialAttributes as $attribute) {
                $_att = $this->getOwner()->$attribute;
                if (!empty($_att)
                    && is_scalar($_att)
                ) {
                    $a = @unserialize(@base64_decode($_att));
                    if ($a !== false) {
                        $this->getOwner()->$attribute = $a;
                    } else {
                        $this->getOwner()->$attribute = array();
                    }
                }
            }
        }
    }
}