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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                ~~~ /**? ?*?\[get_rand_number?生成不重復的隨機數\] ?*?@param??integer?$start??\[需要生成的數字開始范圍\] ?*?@param??integer?$end????\[結束范圍\] ?*?@param??integer?$length?\[需要生成的隨機數個數\] ?*?@return?\[type\]??????????\[生成的隨機數\] ?*/ function?get_rand_number($start=1,$end=10,$length=4) { ????$connt=0; ????$temp=array(); ????while($connt<$length){ ????????$temp\[\]=mt_rand($start,$end); ????????$data=array_unique($temp); ????????$connt=count($data); ????} ????sort($data); ????return?$data; } ~~~ ~~~ /** * 生成不重復的隨機數字(不能超過10位數,否則while循環陷入死循環) * * @param int $start 需要生成的數字開始范圍 * @param int $end 結束范圍 * @param int $length 需要生成的隨機數個數 * * @return number 生成的隨機數 */ function getRandNumber($start = 0, $end = 9, $length = 8) { //初始化變量為0 $count = 0; //建一個新數組 $temp = array(); while ($count < $length) { //在一定范圍內隨機生成一個數放入數組中 $temp[] = mt_rand($start, $end); //$data = array_unique($temp); //去除數組中的重復值用了“翻翻法”,就是用array_flip()把數組的key和value交換兩次。這種做法比用 array_unique() 快得多。 $data = array_flip(array_flip($temp)); //將數組的數量存入變量count中 $count = count($data); } //為數組賦予新的鍵名 shuffle($data); //數組轉字符串 $str = implode(",", $data); //替換掉逗號 $number = str_replace(',', '', $str); return $number; } ~~~
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