use Illuminate\Support\Facades\Schema;
use DB;

public function getDatabaseColumns() {
 $tables = DB::select('show tables');
 $tables = array_column($tables, 'Tables_in_new_bcc_web');
 $columns = ['email', 'user_name', 'nick_name', 'first_name', 'last_name'];
 // dd(Schema::getConnection());
 foreach ($tables as $key => $value) {
  foreach ($columns as $k => $v) {
   if (Schema::hasColumn($value, $v)) {
    $table[] = $value;
   };
  }
  // $columns[] = Schema::getColumnListing('users');
 }
 $table = array_unique($table);
 dd($table);
}

Schema::getColumnListing('user');
Schema::hasColumn($table, $column_name)

public function getDatabaseColumns() {
 $tables = array_map('reset', \DB::select('SHOW TABLES'));
 $columns = ['email', 'user_name', 'nick_name', 'first_name', 'last_name'];
 foreach ($tables as $key => $value) {
  foreach ($columns as $k => $v) {
   if (Schema::hasColumn($value, $v)) {
    $table[] = $value;
   };
  }
 }
 $table = array_unique($table);
 dd($table);
}