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21 lines
394 B
PHP
21 lines
394 B
PHP
<?php
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/**
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* Copyright © ShopeX （http://www.shopex.cn）. All rights reserved.
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* See LICENSE file for license details.
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*/
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class purchase_mdl_eo_items extends dbeav_model{
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/*
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* 返回可退值
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* @param item_id
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*/
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function Get_num($item_id){
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$item = $this->dump($item_id,'entry_num,out_num');
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return $item['entry_num']-$item['out_num'];
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}
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}
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?>
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