How to create belongstomany relation using custom name on custom pivot table

• Create custom belongstomany relation on custom pivot table with custom column name in laravel

  //Pivot table model EventSpeaker with custom table name event_speakers
  use Illuminate\Database\Eloquent\Relations\Pivot;
  
  class EventSpeaker extends Pivot
  {
      use HasFactory;
  
      protected $table = 'event_speakers';
  }
  
  //Basically, table event_speakers does not follow the naming convention for pivot tables as per laravel naming convention as per laravel it should be (event_user).
  //Event model with speakers method (custom belongsToMany)
  class Event extends Model
  {
      use HasFactory;
  
      protected $fillable = ['name', 'timezone_id', 'user_id', 'start_date', 'end_date', 'start_time', 'end_time', 'description', 'visibility', 'is_online', 'event_address', 'event_venue', 'broadcast_link'];
  
      
      public function speakers()
      {
          return $this->belongsToMany(User::class, 'event_speakers', 'event_id', 'speaker_id')->using(EventSpeaker::class)->withTimestamps();
      }
      
  }
  
  //Speakers belong to the users' table.  Default naming conventions are used to store data in pivot tables with tablename_primaryidoftable. We have passed the custom pivot table name with custom column speaker_id to this method.
  //Attach method on speakers() method to insert value in the pivot table.
  $speakers = $request->speaker_id;
  $event->speakers()->attach($speakers);
  
  //There are three tables (users, events, event_speakers).
  

  There are two tables used to create the pivot table, users table and events table. Here speakers method (custom method name) is used as a belongstomany relationship instead of the user's method in the model. Here we created a pivot table with custom name event_speakers which is used to store the event table id and users table id with custom name speaker_id.

  Here we store user id as speaker id in the pivot table which is related to the event table which works as the second table.

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