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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # xn\_strlen() ## xn\_strlen() ``` <pre class="calibre11">``` xn_strlen($s) ``` ``` #### 【功能】 UTF-8 的編碼方式求字符串長度。 函數原型: ``` <pre class="calibre11">``` function xn_strlen($s) { return mb_strlen($s, 'UTF-8'); } ``` ``` #### 【參數】 ``` <pre class="calibre11">``` $s:字符串 ``` ``` #### 【用例】 ``` <pre class="calibre11">``` <?php include './xiunophp/xiunophp.php'; echo xn_strlen('字符'); // 結果: 2 ?> ``` ```
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