PHP/Mysql：優化查詢

Question

我有以下腳本，從2個表中檢索數字，進行求和，並將值更新到第3個表中。

$query = "SELECT (SELECT SUM(net_amount) FROM fin_costos WHERE month='1' AND group_of_costos='general' AND year_analysis='2014') + 
(SELECT SUM(net_amount) FROM em2_fin_costs WHERE month='1' AND group_of_costos='general' AND year_analysis='2014') AS total"; 

$result = mysqli_query($mysqli,$query); 

while($row = mysqli_fetch_array($result)){$valor_final = $row['total']; } 

$query_update="UPDATE fusion_analysis SET jan='$valor_final' WHERE year_for_analysis='2014' AND item_for_analysis='general' AND category='general'"; 
$result = mysqli_query($mysqli,$query_update); 

我需要爲每年的每個月運行相同的腳本。一切是除了可變「月」，改變從1至12，並且其中的值被上傳每個月在UPDATE SET（設置）exaclty相同的（「揚」，「月」，「擦傷」 ...等）

我目前只是複製和粘貼相同的腳本改變這個參數少，但我相信這是一個更聰明的方式較少的代碼行要做到這一點我有PHP的

Answer 1

請參閱日期功能：

$query = "SELECT (SELECT SUM(net_amount)" 
    . " FROM fin_costos" 
    . " WHERE month='".date('n')."'" 
    ." AND group_of_costos='general' AND year_analysis='".date("Y")."') +" 
    ."(SELECT SUM(net_amount) FROM em2_fin_costs WHERE month='".date('n')."'" 
    . " AND group_of_costos='general' AND year_analysis='".date("Y")."') AS total"; 

$query_update="UPDATE fusion_analysis" 
    . " SET `". strtolower(date('M'))."`='$valor_final'" 
    . " WHERE year_for_analysis='".date("Y")."'" 
    . " AND item_for_analysis='general'" 
    . " AND category='general'"; 

注：

Y - 每年的完整數字表示，4位像2014

n - 一個月的數字表示，沒有前導零1 - 12

M - 一個月的短文本表示，三個字母揚通過十二月

對於每月簡短的文字我已經使用了strtolower功能，使其小寫。

UPDATE

基於OP評論：

for ($i = 1; $i <= 12; $i++) { 
    $query = "SELECT (SELECT SUM(net_amount)" 
     . " FROM fin_costos" 
     . " WHERE month='" . $i . "'" 
     . " AND group_of_costos='general' AND year_analysis='" . date("Y") . "') +" 
     . "(SELECT SUM(net_amount) FROM em2_fin_costs WHERE month='" . $i . "'" 
     . " AND group_of_costos='general' AND year_analysis='" . date("Y") . "') AS total"; 

    $result = mysqli_query($mysqli, $query); 
    $row = mysqli_fetch_assoc($result); 

    $valor_final = $row['total']; 

    $monthName = strtolower(date('M', strtotime(date("Y") . "-" . str_pad($month,2, "0", STR_PAD_LEFT) . "-" . date("01")))); 

    $query_update = "UPDATE fusion_analysis" 
     . " SET `" . $monthName . "`=' " . $valor_final . "'" 
     . " WHERE year_for_analysis='" . date("Y") . "'" 
     . " AND item_for_analysis='general'" 
     . " AND category='general'"; 
    mysqli_query($mysqli, $query_update); 
}