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[英]Query Builder and find records from one table which don't exist in another using laravel
[英]Check entry exist in multiple table using laravel query builder
有没有其他方法可以像 laravel 专家一样编写这段代码
$dncExist = DB::table('dnc_table1')
->where('phone_number', '=', $phone)
->get();
if(count($dncExist) == 0)
{
$dncExist = DB::table('dnc_table2')
->where('phone_number', '=', $phone)
->get();
}
$dncExist = DB::table('dnc_table1')
->where('phone_number', $phone)
->first();
if(is_null($dncExist))
{
$dncExist = DB::table('dnc_table2')
->where('phone_number', $phone)
->first();
}
您可以通过以下方式进行。
if (!(YourMOdelName::where('phone_number', $phone )->exists())) {
$dncExist = DB::table('dnc_table2')
->where('phone_number', $phone)
->first();
}
或者
$dncExist = DB::table('dnc_table1')
->where('phone_number', $phone)
->first();
if(!empty( dncExist )){
$dncExist = DB::table('dnc_table2')
->where('phone_number', $phone)
->first();
}
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