EG
и связи лучше, в данном случае, во множественном числе, т.е. $book->users()->.... $user->books()->....
Size: a a a
EG
V
'*.fabric_id' => [
'required',
'exists:fabrics,id'
],
[{
"fabric_id": 4535
}, {
"fabric_id": 4536
}]
A
EG
EG
'*.fabric_id' => [
'required',
'exists:fabrics,id'
],
[{
"fabric_id": 4535
}, {
"fabric_id": 4536
}]
V
V
@
@
@
@
S
S
S
S
S
S
S
АС
'*.fabric_id' => [
'required',
'exists:fabrics,id'
],
[{
"fabric_id": 4535
}, {
"fabric_id": 4536
}]
P
'*.fabric_id' => [
'required',
'exists:fabrics,id'
],
[{
"fabric_id": 4535
}, {
"fabric_id": 4536
}]