php unset() 函數

<?php /** * User: Jack * Date: 2017/11/20 * Time: 20:37 */ $items_arr[] = array('name' => 'f1', 'age' => 23, 'approve_status' => 'instock'); $items_arr[] = array('name' => 'f2', 'age' => 21, 'approve_

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