TExternalFile → IExternalConfigFile (interface instead of trait)

src/EnvReader/EnvConfig.php

@@ -4,9 +4,7 @@ namespace jrosset\EnvReader;
 
 use Exception;
 
-abstract class EnvConfig extends GenericConfig {
+abstract class EnvConfig extends GenericConfig implements IExternalConfigFile {
-    use TExternalFile;
-
     /**
      * @inheritDoc
      */

src/EnvReader/IExternalConfigFile.php

@@ -3,13 +3,13 @@
 namespace jrosset\EnvReader;
 
 /**
- * Trait for config based on an external file
+ * Interface for config based on an external file
  */
-trait TExternalFile {
+interface IExternalConfigFile {
     /**
      * Get the external config file path
      *
      * @return string The config file path
      */
-    protected abstract function getConfigFilePath (): string;
+    public function getConfigFilePath (): string;
 }

tests/test_env.php

@@ -12,7 +12,7 @@ class Env extends EnvConfig {
             'WEBSITE_NAME' => 'Generic site',
         ];
     }
-    protected function getConfigFilePath (): string {
+    public function getConfigFilePath (): string {
         return __DIR__ . '/.env';
     }
 }