/** * 概率算法 * @param array $probability * @return integer|string */function get_rand($probability) { // 概率数组的总概率精度 $max = array_sum($probability); foreach ($probability as $key => $val) { $rand_number = mt_rand(1, $max);//从1到max中随机一个值 if ($rand_number 平板电脑, prob => 1 ), array( prize => 数码相机, prob => 3 ), array( prize => 音箱设备, prob => 5 ), array( prize => 8g优盘, prob => 20 ), array( prize => 10q币, prob => 200 ), array( prize => 下次没准就能中噢, prob => 771 ));foreach ($data as $key => $val) { $probability[$key] = $val[prob];}$n = get_rand($probability);$res['yes'] = $data[$n][prize];//$res['yes'] =$data[$n][0];unset($data[$n]); // 将中奖项从数组中剔除，剩下未中奖项 shuffle($data); // 将其它奖项顺序打乱$func = create_function('$x', 'return $x[prize];');//$res['no'] = array_map(function($x){return $x[0];}, $data); // 除了中奖外的其他数据$res['no'] = array_map($func, $data); // 除了中奖外的其他数据print_r($res);
http://www.bkjia.com/phpjc/477247.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/477247.htmltecharticle/** * 概率算法 * @param array $probability * @return integer|string */function get_rand($probability) { // 概率数组的总概率精度 $max = array_sum($probability); foreac...