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Final Class Yiisoft\Di\Reference\TagReference

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InheritanceYiisoft\Di\Reference\TagReference

Helper class used to specify a reference to a tag.

For example, TagReference::to('my-tag') specifies a reference to all services that are tagged with tag@my-tag.

Public Methods

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Method Description Defined By
extractTagFromAlias() Yiisoft\Di\Reference\TagReference
id() Yiisoft\Di\Reference\TagReference
isTagAlias() Yiisoft\Di\Reference\TagReference
to() Yiisoft\Di\Reference\TagReference

Constants

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Constant Value Description Defined By
PREFIX 'tag@' Yiisoft\Di\Reference\TagReference

Method Details

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extractTagFromAlias() public static method

public static string extractTagFromAlias ( string $alias )
$alias string 

                public static function extractTagFromAlias(string $alias): string
{
    if (!str_starts_with($alias, self::PREFIX)) {
        throw new InvalidArgumentException(sprintf('Alias "%s" is not a tag alias.', $alias));
    }
    return substr($alias, 4);
}
id() public static method

public static string id ( string $tag )
$tag string 

                public static function id(string $tag): string
{
    return self::PREFIX . $tag;
}
isTagAlias() public static method

public static boolean isTagAlias ( string $id )
$id string 

                public static function isTagAlias(string $id): bool
{
    return str_starts_with($id, self::PREFIX);
}
to() public static method

public static \Yiisoft\Definitions\Reference to ( string $tag )
$tag string 

                public static function to(string $tag): Reference
{
    return Reference::to(self::id($tag));
}