Peter Peter - 4 years ago 375
PHP Question

Getting array of related IDs from a belongsToMany relation - Laravel 5.4

I had this solution working well in Laravel 5.3

$procedure = Procedure::findOrFail($id);
$attached_stages = $procedure->stages()->getRelatedIds()->toArray();

In my

public function stages()

return $this->belongsToMany('App\Models\Stage', 'procedure_stage', 'procedure_id', 'stage_id')->withPivot('id','status')->withTimestamps();

Now, after migrating to Laravel 5.4, I get this error:

Call to undefined method Illuminate\Database\Query\Builder::getRelatedIds()

Seems that the
has been removed.

My question:

how to get the array in 5.4?

Thank you in advance.

Answer Source

to get ids array you can use pluck function

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