[英]Foreach loop is giving wrong results
我有两个条件price_id =2
和price_id = 1
表数据,数据如下。
因此,在这里我的条件是,如果weekday_am
列的值为null
或为empty
或者在price_id =2
0.00
,则我需要在price_id = 1
采用该值,并且相同的逻辑将适用于weekday_pm
, weekend_am
, weekend_pm
列。 所以我在做什么是我写了两个具有两个不同条件的查询,并使用foreach循环检查了值。 但是它给出了错误的结果。
查询代码:
$ArrayTier = BundlePrice::where('bundle_id',$id)->where('price_id','=','2')->get();
$ArrayDefault = BundlePrice::where('bundle_id',$id)->where('price_id','=','1')->get();
foreach($ArrayTier as $value)
{
$bundle_id = $value->bundle_id;
$asset_id = $value->asset_id;
foreach($ArrayDefault as $v)
{
if(!empty($value->weekday_am) || ($value->weekday_am != null))
{
$weekam = $value->weekday_am;
}else{
$weekam = $v->weekday_am;
}
if(!empty($value->weekday_pm) || ($value->weekday_pm != null))
{
$weekpm = $value->weekday_pm;
}else{
$weekpm = $v->weekday_pm;
}
if(!empty($value->weekend_am) || ($value->weekend_am != null))
{
$nonweekam = $value->weekend_am;
}else{
$nonweekam = $v->weekend_am;
}
if(!empty($value->weekend_pm) || ($value->weekend_pm != null))
{
$nonweekpm = $value->weekend_pm;
}else{
$nonweekpm = $v->weekend_pm;
}
}
$primaryArray[] = ['asset_id' => $asset_id,'weekam' => $weekam,'weekpm' => $weekpm,'nonweekam' => $nonweekam,'nonweekpm' => $nonweekpm];
}
对于上面的查询,我错了,就像值没有更改一样,只取price_id =1
的最后一行值
上面的代码的结果是:
array:3 [▼
0 => array:5 [▼
"asset_id" => 2
"weekam" => 150.0
"weekpm" => 320.0
"nonweekam" => 160.0
"nonweekpm" => 420.0
]
1 => array:5 [▼
"asset_id" => 1
"weekam" => 120.0
"weekpm" => 180.0
"nonweekam" => 220.0
"nonweekpm" => 420.0
]
2 => array:5 [▼
"asset_id" => 4
"weekam" => 120.0
"weekpm" => 320.0
"nonweekam" => 220.0
"nonweekpm" => 420.0
]
]
如果看到上述内容,则相同的值在少数地方重复。 但预期结果应如下所示:
array:3 [▼
0 => array:5 [▼
"asset_id" => 2
"weekam" => 150.0
"weekpm" => 300.0
"nonweekam" => 160.0
"nonweekpm" => 400.0
]
1 => array:5 [▼
"asset_id" => 1
"weekam" => 110.0
"weekpm" => 180.0
"nonweekam" => 210.0
"nonweekpm" => 410.0
]
2 => array:5 [▼
"asset_id" => 4
"weekam" => 120.0
"weekpm" => 320.0
"nonweekam" => 220.0
"nonweekpm" => 420.0
]
]
有人可以帮我解决这个问题吗? 或请建议我任何可以在单个查询中完成此操作的mysql查询,而不是通过foreach循环。 谢谢
您忘记了加入资产ID,因此循环时会变得乱七八糟。 做这个:
$prices = BundlePrice::where('bundle_id',$id)->get()->groupBy("asset_id"); //The group by is done on the collection, not the query: https://laravel.com/docs/5.4/collections#method-groupby
foreach($prices as $bundleprice) {
$price = collect($bundleprice)->where("price_id",1)->first();
$default = collect($bundleprice)->where("price_id",2)->first();
if (empty($price) && empty($default)) { continue; }
if (empty($default)) {
$default = $price;
}
$weekam = !empty($price->weekday_am)?$price->weekday_am:$default->weekday_am;
$weekpm = !empty($price->weekday_pm)?$price->weekday_pm:$default->weekday_pm;
$nonweekam = !empty($price->weekend_am)?$price->weekend_am:$default->weekend_am;
$nonweekpm = !empty($price->weekend_pm)?$price->weekend_pm:$default->weekend_pm;
$primaryArray[] = ['asset_id' => $default->asset_id,'weekam' => $weekam,'weekpm' => $weekpm,'nonweekam' => $nonweekam,'nonweekpm' => $nonweekpm];
}
看起来也比较干净。
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