PHP continuous Retention and retention count

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, $todayPeople)) {Array_unshift ($todayPe              Ople, $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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