refactor: preslash simple functions

- Add pre-slash to short named functions to improve performance by almost 30%
-  @see https://stackoverflow.com/questions/55419673/php7-adding-a-slash-to-all-standard-php-functions-php-cs-fixer-rule

app/Http/Controllers/InviteController.php

@@ -35,11 +35,11 @@ class InviteController extends Controller
     {
         $user = $request->user();
         $owner = User::where('username', '=', $username)->firstOrFail();
-        abort_unless($user->group->is_modo || $user->id === $owner->id, 403);
+        \abort_unless($user->group->is_modo || $user->id === $owner->id, 403);
 
         $invites = Invite::with(['sender', 'receiver'])->where('user_id', '=', $owner->id)->latest()->paginate(25);
 
-        return view('user.invites', ['owner' => $owner, 'invites' => $invites, 'route' => 'invite']);
+        return \view('user.invites', ['owner' => $owner, 'invites' => $invites, 'route' => 'invite']);
     }
 
     /**
@@ -53,20 +53,20 @@ class InviteController extends Controller
     {
         $user = $request->user();
 
-        if (config('other.invite-only') == false) {
-            return redirect()->route('home.index')
+        if (\config('other.invite-only') == false) {
+            return \redirect()->route('home.index')
             ->withErrors('Invitations Are Disabled Due To Open Registration!');
         }
         if ($user->can_invite == 0) {
-            return redirect()->route('home.index')
+            return \redirect()->route('home.index')
             ->withErrors('Your Invite Rights Have Been Revoked!');
         }
-        if (config('other.invites_restriced') == true && ! in_array($user->group->name, config('other.invite_groups'))) {
-            return redirect()->route('home.index')
+        if (\config('other.invites_restriced') == true && ! \in_array($user->group->name, \config('other.invite_groups'))) {
+            return \redirect()->route('home.index')
                 ->withErrors('Invites are currently disabled for your group.');
         }
 
-        return view('user.invite', ['user' => $user, 'route' => 'invite']);
+        return \view('user.invite', ['user' => $user, 'route' => 'invite']);
     }
 
     /**
@@ -83,20 +83,20 @@ class InviteController extends Controller
         $carbon = new Carbon();
         $user = $request->user();
 
-        if (config('other.invites_restriced') == true && ! in_array($user->group->name, config('other.invite_groups'))) {
-            return redirect()->route('home.index')
+        if (\config('other.invites_restriced') == true && ! \in_array($user->group->name, \config('other.invite_groups'))) {
+            return \redirect()->route('home.index')
                 ->withErrors('Invites are currently disabled for your group.');
         }
 
         if ($user->invites <= 0) {
-            return redirect()->route('invites.create')
+            return \redirect()->route('invites.create')
                 ->withErrors('You do not have enough invites!');
         }
 
         $exist = Invite::where('email', '=', $request->input('email'))->first();
 
         if ($exist) {
-            return redirect()->route('invites.create')
+            return \redirect()->route('invites.create')
                 ->withErrors('The email address your trying to send a invite to has already been sent one.');
         }
 
@@ -105,23 +105,23 @@ class InviteController extends Controller
         $invite->user_id = $user->id;
         $invite->email = $request->input('email');
         $invite->code = $code;
-        $invite->expires_on = $carbon->copy()->addDays(config('other.invite_expire'));
+        $invite->expires_on = $carbon->copy()->addDays(\config('other.invite_expire'));
         $invite->custom = $request->input('message');
 
-        if (config('email-blacklist.enabled')) {
-            $v = validator($invite->toArray(), [
+        if (\config('email-blacklist.enabled')) {
+            $v = \validator($invite->toArray(), [
                 'email'  => 'required|string|email|max:70|blacklist|unique:users',
                 'custom' => 'required',
             ]);
         } else {
-            $v = validator($invite->toArray(), [
+            $v = \validator($invite->toArray(), [
                 'email'  => 'required|string|email|max:70|unique:users',
                 'custom' => 'required',
             ]);
         }
 
         if ($v->fails()) {
-            return redirect()->route('invites.create')
+            return \redirect()->route('invites.create')
                 ->withErrors($v->errors());
         }
         Mail::to($request->input('email'))->send(new InviteUser($invite));
@@ -129,7 +129,7 @@ class InviteController extends Controller
         $user->invites--;
         $user->save();
 
-        return redirect()->route('invites.create')
+        return \redirect()->route('invites.create')
             ->withSuccess('Invite was sent successfully!');
     }
 
@@ -146,16 +146,16 @@ class InviteController extends Controller
         $user = $request->user();
         $invite = Invite::findOrFail($id);
 
-        abort_unless($invite->user_id === $user->id, 403);
+        \abort_unless($invite->user_id === $user->id, 403);
 
         if ($invite->accepted_by !== null) {
-            return redirect()->route('invites.index', ['username' => $user->username])
+            return \redirect()->route('invites.index', ['username' => $user->username])
                 ->withErrors('The invite you are trying to resend has already been used.');
         }
 
         Mail::to($invite->email)->send(new InviteUser($invite));
 
-        return redirect()->route('invites.index', ['username' => $user->username])
+        return \redirect()->route('invites.index', ['username' => $user->username])
             ->withSuccess('Invite was resent successfully!');
     }
 }