Sep 19, 2023 · Sep 19, 2023
diff --git a/validation/custom_constraint.rst b/validation/custom_constraint.rst
        class ContainsAlphanumeric extends Constraint
        {
            public $message = 'The string "{{ string }}" contains an illegal character: it can only contain letters or numbers.';
            public $mode = 'strict'; // If the constraint has configuration options, define them as public properties
            public $mode = 'strict';

            // all configurable options must be passed to the constructor
            public function __construct(string $mode = null, string $message = null, array $groups = null, $payload = null)
            {
                parent::__construct([], $groups, $payload);

                $this->mode = $mode ?? $this->mode;
                $this->message = $message ?? $this->message;
            }
        }

 Add ``@Annotation`` or ``#[\Attribute]`` to the constraint class if you want to
Original file line number	Diff line number	Diff line change
Expand Up		@@ -41,7 +41,16 @@ First you need to create a Constraint class and extend :class:`Symfony\\Componen
		class ContainsAlphanumeric extends Constraint
		{
		public $message = 'The string "{{ string }}" contains an illegal character: it can only contain letters or numbers.';
		public $mode = 'strict'; // If the constraint has configuration options, define them as public properties
		public $mode = 'strict';

		// all configurable options must be passed to the constructor
		public function __construct(string $mode = null, string $message = null, array $groups = null, $payload = null)
		{
		parent::__construct([], $groups, $payload);

		$this->mode = $mode ?? $this->mode;
		$this->message = $message ?? $this->message;
		}
		}

		Add ``@Annotation`` or ``#[\Attribute]`` to the constraint class if you want to
Expand Down