Ask about php tp5 processing the result set of select

Question

$wamResult = WpAdsupplierMerchant::where('cate_id',$cateId)->field('merchant_id')->select();//All store ids

Hello, I would like to The IDs of all collections are stored in a variable, for example: $ids = [12,21,23,32,11];

Now the result of $wamResult is:

[data: protected] => Array

(

[merchant_id] => 345

)

[origin:protected] => Array

(

[merchant_id] => 345

)

[relation:protected] => ; Array

(

)

The current problem is I don’t know how to deal with $wamResult,

Answer 1

is like this, for example: $ids = "12,21,23,32,11";