Code clean up.

app/Http/Controllers/Transaction/LinkController.php

@@ -18,7 +18,6 @@
  * You should have received a copy of the GNU General Public License
  * along with Firefly III.  If not, see <http://www.gnu.org/licenses/>.
  */
-
 declare(strict_types=1);
 
 namespace FireflyIII\Http\Controllers\Transaction;
@@ -36,14 +35,10 @@ use URL;
 use View;
 
 /**
- * Class LinkController
- *
- * @package FireflyIII\Http\Controllers\Transaction
+ * Class LinkController.
  */
 class LinkController extends Controller
 {
-
-
     /**
      *
      */
@@ -61,7 +56,6 @@ class LinkController extends Controller
         );
     }
 
-
     /**
      * @param TransactionJournalLink $link
      *
@@ -107,7 +101,7 @@ class LinkController extends Controller
         TransactionJournal $journal
     ) {
         $linkInfo = $request->getLinkInfo();
-        if ($linkInfo['transaction_journal_id'] === 0) {
+        if (0 === $linkInfo['transaction_journal_id']) {
             Session::flash('error', trans('firefly.invalid_link_selection'));
 
             return redirect(route('transactions.show', [$journal->id]));
@@ -124,13 +118,13 @@ class LinkController extends Controller
 
         $journalLink = new TransactionJournalLink;
         $journalLink->linkType()->associate($linkType);
-        if ($linkInfo['direction'] === 'inward') {
+        if ('inward' === $linkInfo['direction']) {
             Log::debug(sprintf('Link type is inwards ("%s"), so %d is source and %d is destination.', $linkType->inward, $other->id, $journal->id));
             $journalLink->source()->associate($other);
             $journalLink->destination()->associate($journal);
         }
 
-        if ($linkInfo['direction'] === 'outward') {
+        if ('outward' === $linkInfo['direction']) {
             Log::debug(sprintf('Link type is inwards ("%s"), so %d is source and %d is destination.', $linkType->outward, $journal->id, $other->id));
             $journalLink->source()->associate($journal);
             $journalLink->destination()->associate($other);