php 连续留存与留存人数计算，php留存人数计算_PHP教程

php 连续留存与留存人数计算，php留存人数计算

for($i = 0;$i <= $interval;$i++) {
		        $res  = $model->turnround($today,$tomorrow,$flag); 
		        $temp = array(); 
		        foreach($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);  
		            	}
		            }
		        }
		        $i==0 ? $total = count($temp) : "";     
		        $temp = array_fill_keys($temp, $i); 
		        foreach($temp as $k=>$v) {
		        	if(array_key_exists($k,$stats)) { 
	                    $stats[$k] = $stats[$k].",".$v;
		        	} else {
		        		$stats[$k] = $v;
		        	}
		        }
		        $today    = $today + 86400; 
	            $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; 
			*/
			$res = $model->turnround($today,$tomorrow,$flag); 
            $todayPeople = array(); 
	        foreach($res as $value){
	        	$inmatch = isset($value['inmatch']) ? json_decode($value['inmatch']) : array();
	            foreach($inmatch as $val) {
	            	if(!in_array($val, $todayPeople)) {
                        array_unshift($todayPeople,$val);  
	            	}
	            }
	        }
	        $todayNum   = count($todayPeople);  
	        $atToday    = $today + $interval*86400;
	        $atTomorrow = $tomorrow + $interval*86400; 
	        $atRes = $model->turnround($atToday,$atTomorrow,$flag); 
	        $atPeople = array(); 
	        foreach($atRes as $v){
	        	$atInmatch = isset($v['inmatch']) ? json_decode($v['inmatch']) : array();
	            foreach($atInmatch as $val) {
	            	if(!in_array($val, $atPeople)) {
                        array_unshift($atPeople,$val);  
	            	}
	            }
	        }
	        $same = array_intersect($todayPeople,$atPeople);
	        $atNum= count($same);
	        $ret['turnround']['all']   = $todayPeople;   
			$ret['turnround']['total'] = $todayNum;      
			$ret['turnround']['stats'] = "";    
			$ret['turnround']['num']   = $atNum;      

 

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