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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
                ```php /* * 生成隨機字符串 * * $length 字符串長度 */ function random_str($length,$type=1) { if($type==1){ // 密碼字符集,可任意添加你需要的字符 $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; }else if($type==2){ $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; }else if($type==3){ $chars = '0123456789'; } $str = ''; for($i = 0; $i < $length; $i++) { // 這里提供兩種字符獲取方式 // 第一種是使用 substr 截取$chars中的任意一位字符; // 第二種是取字符數組 $chars 的任意元素 $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); // $str .= $chars[mt_rand(0, strlen($chars) - 1)]; } return $str; } ```
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                              哎呀哎呀视频在线观看