OpenSkill\Datatable\Providers\CollectionProvider::searchColumn PHP Метод

    public function searchColumn($columnName, callable $searchFunction)
    {
        $this->columnSearchFunction[$columnName] = $searchFunction;
        return $this;
    }

 public function testCustomColumn()
 {
     $data = [['id' => 1, 'name' => 'foo'], ['id' => 2, 'name' => 'bar']];
     $queryConfiguration = QueryConfigurationBuilder::create()->start(0)->length(2)->columnSearch('id', 'foo')->drawCall(1)->build();
     $columnConfiguration = ColumnConfigurationBuilder::create()->name('id')->build();
     $provider = new CollectionProvider(new Collection($data));
     $provider->searchColumn('id', function ($data, $search) {
         // we only accept columns with the id 1 if the user searched in the column
         return $data['id'] == 1;
     });
     $provider->prepareForProcessing($queryConfiguration, [$columnConfiguration]);
     $data = $provider->process();
     $this->assertSame(1, $data->data()->count());
 }