Pass array into a single column in Laravel - laravel

Question

i am trying to pass some values into a single column in laravel database table.
The values are like this 20,45,67,89
but i want them to enter into the colume like this
===USER_ID====
20
45
67
89
I have tried like below, but not working..any suggestions ?
foreach ($request->val2 as $value){
$str_explode = explode(",",$value);
DB::table('retirement')->insertGetId([
'user_id' => $str_explode,
'amount' => $request->val1,
'week' => $request->week
]);
}

Answer 1

Hope this will work
foreach ($request->val2 as $value){
$str_explode = explode(",",$value);
$insert = [];
foreach($str_explode as $str){
$insert[] = [
'user_id' => $str,
'amount' => $request->val1,
'week' => $request->week
];
}
DB::table('retirement')->insert($insert);

Answer 2

I'm not sure i understood your question clearly, i'm assuming you want to insert array to a column:
did you try to set the column in migration to Json?
did you set the $casts in the model to json or array?
protected $casts = [ 'user_id' => 'array' ];
then when you do this, you can have an array added to that column like
Posts::create(['user_id'=>[1,2,3,4]]);
normally the user_id field is set to unsignedBigInt(), that type will not accept anything but integers, you gotta check the migration column type first.

Answer 3

explode() is returning an array, not a single value, that's why it will fail. Instead, you should loop through all values like this:
foreach ($request->val2 as $value){
$str_explode = explode(",",$value);
foreach($str_explode as $str){
DB::table('retirement')->insertGetId([
'user_id' => $str,
'amount' => $request->val1,
'week' => $request->week
]);
}
}
As a side advice, as you are not saving the id returned by insertGetID, you can simply use insert. Moreover, it's usually a good practice to use create because this way you will also save timestamps for created and updated.