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Fix initialization of configurable options for the attribute #18889

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Merged
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Sep 19, 2023
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Fix initialization of configurable options for the attribute #18889

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11 changes: 10 additions & 1 deletion validation/custom_constraint.rst
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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
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