1.1 You have Transaction model

<?php namespace App;

use Illuminate\Database\Eloquent\Model;

class Transaction extends Model

{

//

}

2.1 You have TransactionController

<?php namespace App\Http\Controllers;

use App\Transaction;

class TransactionController extends Controller

{

public function get()

{

  dd(Transaction::find(1));

}

}

3.1 Call Static

+ vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php

/**

 * Handle dynamic static method calls into the model.

 *

 * @param  string  $method

 * @param  array  $parameters

 * @return mixed

 */

public static function __callStatic($method, $parameters)

{

return (new static)->$method(...$parameters);

}

3.2 Call function don't exist

+ vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php

/**

 * Handle dynamic method calls into the model.

 *

 * @param  string  $method

 * @param  array  $parameters

 * @return mixed

 */

public function __call($method, $parameters)

{

if (in_array($method, ['increment', 'decrement'])) {

    return $this->$method(...$parameters);

}

if ($resolver = (

    static::$relationResolvers[get_class($this)][$method] ?? null)) 

{

    return $resolver($this);

}

return $this->forwardCallTo(

    $this->newQuery(), $method, $parameters);

}

3.3 $this->newQuery()

+ vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php

/**

 * Get a new query builder for the model's table.

 *

 * @return \Illuminate\Database\Eloquent\Builder

 */

public function newQuery()

{

return $this->registerGlobalScopes(

    $this->newQueryWithoutScopes()

);

}

4.1 File

vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php

4.2 forwardCallTo

/**

 * Forward a method call to the given object.

 *

 * @param  mixed  $object

 * @param  string  $method

 * @param  array  $parameters

 * @return mixed

 *

 * @throws \BadMethodCallException

 */

protected function forwardCallTo($object, $method, $parameters)

{

try {

   return $object->{$method}(...$parameters);

} catch (Error|BadMethodCallException $e) {

    $pattern = '~^Call to undefined method (?P<class>[^:]+)::(?P<method>[^\(]+)\(\)$~';

    if (! preg_match($pattern, $e->getMessage(), $matches)) {

          throw $e;

       }

       if ($matches['class'] != get_class($object) ||

             $matches['method'] != $method) {

           throw $e;

       }

       static::throwBadMethodCallException($method);

}

}

5.1 File

vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php

5.2 Call static

<?php namespace Illuminate\Database\Query;

class Builder

{

  /**

   * Execute a query for a single record by ID.

   *

   * @param  int|string  $id

   * @param  array  $columns

   * @return mixed|static

   */

public function find($id, $columns = ['*'])

{

       return $this->where('id', '=', $id)->first($columns);

}

 /**

  * Set the table which the query is targeting.

  *

  * @param  \Closure|\Illuminate\Database\Query\Builder|string  $table

  * @param  string|null  $as

  * @return $this

  */

public function from($table, $as = null)

{

    if ($this->isQueryable($table)) {

          return $this->fromSub($table, $as);

    }

    $this->from = $as ? "{$table} as {$as}" : $table;

    return $this;

}

and more ....

public function xyz()

{

....

}

}