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Homephp教程PHP源码CI表单数据回显函数set_value()改造

将CI的set_value()函数进行改造,可以处理数组形式的字段。

if ( ! function_exists('set_value'))
{
    function set_value($field = '', $default = '')
    {
        $field_orgin=$field;
        if(strpos($field,'[')){
            list($field,$item)=explode('[',str_replace(']','',$field));
        }

        if(isset($_GET[$field]) && ! isset($_POST[$field])){
            if(isset($item) && !empty($item) && ($_GET[$field][$item])){
                return form_prep($_GET[$field][$item], $field_orgin);
            }
            return form_prep($_GET[$field], $field_orgin);
        }

        if (isset($_POST[$field])){
            if(isset($item) && !empty($item) && ($_POST[$field][$item])){
                return form_prep($_POST[$field][$item], $field_orgin);
            }
            return form_prep($_POST[$field], $field_orgin);
        }

        if (FALSE !== ($OBJ =& _get_validation_object())){
            return form_prep($OBJ->set_value($field_orgin, $default), $field_orgin);
        }
        return form_prep($default, $field_orgin);
    }
}
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