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<?php
declare(strict_types=1);
namespace Kreait\Firebase\Messaging;
use Kreait\Firebase\Exception\Messaging\InvalidArgument;
final class Condition implements \JsonSerializable
{
/** @var string */
private $value;
private function __construct(string $value)
{
$this->value = $value;
}
public static function fromValue(string $value): self
{
$value = \str_replace('"', "'", $value);
if ((\mb_substr_count($value, "'") % 2) !== 0) {
throw new InvalidArgument(\sprintf('The condition "%s" contains an uneven amount of quotes.', $value));
}
if (\mb_substr_count(\mb_strtolower($value), 'in topics') > 5) {
throw new InvalidArgument(\sprintf('The condition "%s" containts more than 5 topics.', $value));
}
return new self($value);
}
public function value(): string
{
return $this->value;
}
public function __toString()
{
return $this->value;
}
public function jsonSerialize(): string
{
return $this->value;
}
}
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