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<?php |
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/** |
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* Entry point for consumers that need subscription groups. |
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* |
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* @package Forge12\DoubleOptIn\Subscription |
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* @since 5.12.0 |
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*/ |
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|
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declare( strict_types=1 ); |
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|
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namespace Forge12\DoubleOptIn\Subscription; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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final class SubscriptionGroups { |
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|
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/** |
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* The active resolver. An add-on supplies its own through the |
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* `f12_doi_subscription_group_resolver` filter; anything that is not a |
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* resolver is ignored so a faulty add-on cannot break a consumer. |
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*/ |
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public static function resolver(): SubscriptionGroupResolverInterface { |
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$resolver = apply_filters( 'f12_doi_subscription_group_resolver', new NullSubscriptionGroupResolver() ); |
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|
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return $resolver instanceof SubscriptionGroupResolverInterface |
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? $resolver |
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: new NullSubscriptionGroupResolver(); |
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} |
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|
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/** |
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* Whether an add-on currently provides groups. Consumers use this to |
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* hide group controls instead of showing empty ones. |
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*/ |
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public static function isAvailable(): bool { |
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return ! ( self::resolver() instanceof NullSubscriptionGroupResolver ); |
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} |
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} |
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|
