计算回头率方法public function PRobability() {global $_INPUT;$ret = array();$time = $_INPUT['date'] && preg_match('/^\d{4}-\d{2}\-\d{2}$/', $_INPUT['date']) ? strtotime($_INPUT['date']) : strtotime('today');$today = $time; //该天时间头$tomorrow = $time + 86400; //该天时间尾$flag = 1; //是否进入比赛$model = Model::getInstance('logs.fixedlog');$paymodel = Model::getInstance('main.payment');$stats = array();$num = 0; //连续一周回头人数$option = isset($_INPUT['app']) ? intval($_INPUT['app']) : 1;$interval = isset($_INPUT['period']) ? intval($_INPUT['period']) : 1; //时间区间一周if($option == 1) {for($i = 0;$i <= $interval;$i++) { $res = $model->turnround($today,$tomorrow,$flag); //获取该天参加比赛的会员 $temp = array(); foreach($res as $value){ $inmatch = isset($value['inmatch']) ? json_decode($value['inmatch']) : array(); foreach($inmatch as $val) { if(!in_array($val, $temp)) { array_unshift($temp,$val); //去掉该天重复参加比赛会员 } } } $i==0 ? $total = count($temp) : ""; $temp = array_fill_keys($temp, $i); //把会员记录导入stats数组 foreach($temp as $k=>$v) { if(array_key_exists($k,$stats)) { //如果stats数组里面存着该会员ID，则尾部追加该登陆的每日号 $stats[$k] = $stats[$k].",".$v; } else { $stats[$k] = $v; } } $today = $today - 86400; //逐次改变每日号起止时间 $tomorrow = $tomorrow - 86400; }$strlen = ($interval+1)*2-1;foreach($stats as $v) {if(isset($v)) {strlen(trim($v)) == $strlen ? $num++ : $num;}}$ret['turnround']['all'] = $stats;$ret['turnround']['total'] = $total;$ret['turnround']['stats'] = count($stats);$ret['turnround']['num'] = $num;} else {$res = $model->turnround($today,$tomorrow,$flag); //获取该天参加比赛的会员$temp = array(); foreach($res as $value){ $inmatch = isset($value['inmatch']) ? json_decode($value['inmatch']) : array(); foreach($inmatch as $val) { if(!in_array($val, $temp)) { array_unshift($temp,$val); //去掉该天重复参加比赛会员 } } } foreach($temp as $k=>$v) { $paystatus = $paymodel->hasCharge($v,$tomorrow,$today-1); isset($paystatus) && $paystatus['num']<>0 ? $num++ : ""; } $ret['payrate']['all'] = $temp; $ret['payrate']['total'] = count($temp);$ret['payrate']['num'] = $num;}return $this->ret($ret); }