Fixes #4943 -- Avoid using all-numeric stubs.

src/Entity/CustomField.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Entity;
 
 use App\Entity\Interfaces\IdentifiableEntityInterface;
+use App\Utilities\File;
 use Doctrine\ORM\Mapping as ORM;
 use OpenApi\Attributes as OA;
 use Stringable;
@@ -54,7 +55,7 @@ class CustomField implements Stringable, IdentifiableEntityInterface
         $this->name = $this->truncateString($name);
 
         if (empty($this->short_name) && !empty($name)) {
-            $this->setShortName(Station::getStationShortName($name));
+            $this->setShortName(self::generateShortName($name));
         }
     }
 
@@ -62,7 +63,7 @@ class CustomField implements Stringable, IdentifiableEntityInterface
     {
         return (!empty($this->short_name))
             ? $this->short_name
-            : Station::getStationShortName($this->name);
+            : self::generateShortName($this->name);
     }
 
     public function setShortName(string $short_name): void
@@ -92,4 +93,13 @@ class CustomField implements Stringable, IdentifiableEntityInterface
     {
         return $this->short_name;
     }
+
+    public static function generateShortName(string $str): string
+    {
+        $str = File::sanitizeFileName($str);
+
+        return (is_numeric($str))
+            ? 'custom_field_' . $str
+            : $str;
+    }
 }

src/Entity/Migration/Version20171208093239.php

@@ -24,7 +24,7 @@ final class Version20171208093239 extends AbstractMigration
             $this->connection->update(
                 'station',
                 [
-                    'short_name' => Station::getStationShortName($record['name']),
+                    'short_name' => Station::generateShortName($record['name']),
                 ],
                 [
                     'id' => $record['id'],

src/Entity/Repository/CustomFieldRepository.php

@@ -49,7 +49,7 @@ class CustomFieldRepository extends Repository
             )->getArrayResult();
 
             foreach ($fieldsRaw as $row) {
-                $fields[$row['id']] = $row['short_name'] ?? Entity\Station::getStationShortName($row['name']);
+                $fields[$row['id']] = $row['short_name'] ?? Entity\Station::generateShortName($row['name']);
             }
         }
 

src/Entity/Station.php

@@ -411,7 +411,7 @@ class Station implements Stringable, IdentifiableEntityInterface
         $this->name = $this->truncateString($name, 100);
 
         if (empty($this->short_name) && !empty($name)) {
-            $this->setShortName(self::getStationShortName($name));
+            $this->setShortName(self::generateShortName($name));
         }
     }
 
@@ -419,7 +419,7 @@ class Station implements Stringable, IdentifiableEntityInterface
     {
         return (!empty($this->short_name))
             ? $this->short_name
-            : self::getStationShortName($this->name);
+            : self::generateShortName($this->name);
     }
 
     public function setShortName(string $shortName): void
@@ -429,15 +429,10 @@ class Station implements Stringable, IdentifiableEntityInterface
             $shortName = $this->name;
         }
 
-        $shortName = self::getStationShortName($shortName);
+        $shortName = self::generateShortName($shortName);
         $this->short_name = $this->truncateString($shortName, 100);
     }
 
-    public static function getStationShortName(string $str): string
-    {
-        return File::sanitizeFileName($str);
-    }
-
     public function setIsEnabled(bool $is_enabled): void
     {
         $this->is_enabled = $is_enabled;
@@ -1148,4 +1143,13 @@ class Station implements Stringable, IdentifiableEntityInterface
         $be_config->setTelnetPort(null);
         $this->setBackendConfig($be_config);
     }
+
+    public static function generateShortName(string $str): string
+    {
+        $str = File::sanitizeFileName($str);
+
+        return (is_numeric($str))
+            ? 'station_' . $str
+            : $str;
+    }
 }

src/Entity/StationPlaylist.php

@@ -8,6 +8,7 @@ use App\Entity\Enums\PlaylistOrders;
 use App\Entity\Enums\PlaylistRemoteTypes;
 use App\Entity\Enums\PlaylistSources;
 use App\Entity\Enums\PlaylistTypes;
+use App\Utilities\File;
 use Azura\Normalizer\Attributes\DeepNormalize;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
@@ -234,7 +235,7 @@ class StationPlaylist implements
 
     public function getShortName(): string
     {
-        return Station::getStationShortName($this->name);
+        return self::generateShortName($this->name);
     }
 
     public function getType(): string
@@ -568,4 +569,13 @@ class StationPlaylist implements
     {
         return $this->getStation() . ' Playlist: ' . $this->getName();
     }
+
+    public static function generateShortName(string $str): string
+    {
+        $str = File::sanitizeFileName($str);
+
+        return (is_numeric($str))
+            ? 'playlist_' . $str
+            : $str;
+    }
 }