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                如果系統自帶的幫助函數無法滿足開發需求,可以隨意修改助手函數的名稱或者添加自己的助手函數文件,然后修改配置文件,加載自己的幫助函數文件。 例如:下面的操作加載了一個用戶自定義的myhelper.php的幫助函數文件 ![Image](https://box.kancloud.cn/18d5fca3dce901b68e4510c3c55e2402_1630x598.png) myhelper.php文件的內容如下: ![Image](https://box.kancloud.cn/c2a375a62b651da72941d3aead799ffa_1418x932.png) 參考代碼: /\*\* \* 獲取客戶端IP地址 \* @return string 客戶端IP地址 \*/ function get\_client\_ip(){ if (isset($\_SERVER)) { if (isset($\_SERVER\['HTTP\_X\_FORWARDED\_FOR'\])) { $realip = $\_SERVER\['HTTP\_X\_FORWARDED\_FOR'\]; } elseif (isset($\_SERVER\['HTTP\_CLIENT\_IP'\])) { $realip = $\_SERVER\['HTTP\_CLIENT\_IP'\]; } else { $realip = $\_SERVER\['REMOTE\_ADDR'\]; } } else { if (getenv("HTTP\_X\_FORWARDED\_FOR")) { $realip = getenv( "HTTP\_X\_FORWARDED\_FOR"); } elseif (getenv("HTTP\_CLIENT\_IP")) { $realip = getenv("HTTP\_CLIENT\_IP"); } else { $realip = getenv("REMOTE\_ADDR"); } } return $realip; }
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