Improved strictness of Constraint::getTargets return type implementations

Author: alongosz

src/lib/Validator/Constraints/FieldDefinitionDefaultValue.php

@@ -16,7 +16,7 @@ class FieldDefinitionDefaultValue extends Constraint
 {
     public $message = 'ez.field_definition.default_field_value';
 
-    public function getTargets(): string|array
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }

src/lib/Validator/Constraints/FieldSettings.php

@@ -16,7 +16,7 @@ class FieldSettings extends Constraint
 {
     public $message = 'ez.field_definition.field_settings';
 
-    public function getTargets(): string|array
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }

src/lib/Validator/Constraints/UniqueContentTypeIdentifier.php

@@ -39,7 +39,7 @@ public function validatedBy(): string
         return 'ezplatform.content_forms.validator.unique_content_type_identifier';
     }
 
-    public function getTargets(): string|array
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }

src/lib/Validator/Constraints/UniqueFieldDefinitionIdentifier.php

@@ -34,7 +34,7 @@ public static function getTranslationMessages(): array
         ];
     }
 
-    public function getTargets(): string|array
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }

src/lib/Validator/Constraints/UniqueURL.php

@@ -32,7 +32,7 @@ public function validatedBy(): string
     /**
      * {@inheritdoc}
      */
-    public function getTargets(): string|array
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }

src/lib/Validator/Constraints/ValidatorConfiguration.php

@@ -16,7 +16,7 @@ class ValidatorConfiguration extends Constraint
 {
     public $message = 'ez.field_definition.validator_configuration';
 
-    public function getTargets(): string|array
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }