php - Limit one to many relationship to a custom maximum number in laravel 5 -

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a hasmany(b) b belongsto(a)

i want limit number of b maximum of 5.

1 row in can have maximum of 5 rows in b

is there way? or should use 1-1 relationship max 5 columns

here need do.

  1. count number of rows of b against given @ creation request.
  2. show error if more 5.

there no direct way limit b using laravel, far know.


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