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<?php
declare(strict_types=1);
namespace Yiisoft\Validator;
use InvalidArgumentException;
use function is_array;
/**
* RulesDumper allows to get an array of rule names and corresponding settings from a set of rules.
* The array is usually passed to the client to use it in client-side validation.
*
* * @see RuleInterface
*/
final class RulesDumper
{
* Return all attribute rules as array.
* For example:
* ```php
* [
* 'amount' => [
* 'number',
* 'integer' => true,
* 'max' => 100,
* 'notANumberMessage' => 'Value must be an integer.',
* 'tooBigMessage' => 'Value must be no greater than 100.'
* ],
* ['callback'],
* 'name' => [
* 'hasLength',
* 'max' => 20,
* 'message' => 'Value must contain at most 20 characters.'
* ]
* ```
* @param iterable $ruleSetMap
* @return array
public function asArray(iterable $ruleSetMap, bool $dumpRuleName): array
return $this->fetchOptions($ruleSetMap, $dumpRuleName);
}
private function fetchOptions(iterable $rules, bool $dumpRuleName): array
$result = [];
foreach ($rules as $attribute => $rule) {
if (is_array($rule)) {
$result[$attribute] = $this->fetchOptions($rule, $dumpRuleName);
} elseif ($rule instanceof RuleInterface) {
if ($dumpRuleName) {
$result[$attribute] = array_merge([$rule->getName()], $rule->getOptions());
} else {
$result[$attribute] = $rule->getOptions();
// or ?
// $result[$attribute] = [get_class($rule)];
throw new InvalidArgumentException(sprintf(
'Rules should be an array of rules that implements %s.',
RuleInterface::class,
));
return $result;
yiisoft /
validator
