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StableCollections.php
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StableCollections.php
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<?php
/**
* PHPCSUtils, utility functions and classes for PHP_CodeSniffer sniff developers.
*
* @package PHPCSUtils
* @copyright 2019-2020 PHPCSUtils Contributors
* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
* @link https://github.com/PHPCSStandards/PHPCSUtils
*/
namespace PHPCSUtils\Internal;
/**
* Stable collections of related tokens.
*
* The {@see \PHPCSUtils\Tokens\Collections} class contains a range of token collections for use by sniffs,
* some of which may change depending on the availability of a token in PHP/PHPCS.
* The contents of token collections may also vary based on the PHPCS version to allow for optimized sniffing.
*
* The functionality _within_ PHPCSUtils, however, should be stable and reliably testable, so for internal
* use, the most volatile token arrays are replicated here in stable versions to be used by the PHPCSUtils
* functions (and tests) internally.
*
* ---------------------------------------------------------------------------------------------
* This class is only intended for internal use by PHPCSUtils and is not part of the public API.
* This also means that it has no promise of backward compatibility.
*
* End-users should use the methods in the {@see \PHPCSUtils\Tokens\Collections} class instead.
* ---------------------------------------------------------------------------------------------
*
* @internal
*
* @since 1.0.0
*/
final class StableCollections
{
/**
* Tokens which can open a short array or short list (PHPCS cross-version compatible).
*
* This array will ALWAYS include the `T_OPEN_SQUARE_BRACKET` token to allow for handling
* intermittent tokenizer issues related to the retokenization to `T_OPEN_SHORT_ARRAY`.
*
* @internal
* @ignore This array is only for internal use by PHPCSUtils and is not part of the public API.
*
* @since 1.0.2
*
* @var array<int|string, int|string>
*/
public static $shortArrayListOpenTokensBC = [
\T_OPEN_SHORT_ARRAY => \T_OPEN_SHORT_ARRAY,
\T_OPEN_SQUARE_BRACKET => \T_OPEN_SQUARE_BRACKET,
];
/**
* Tokens which are used for short lists.
*
* This array will ALWAYS include the `T_OPEN_SQUARE_BRACKET` and `T_CLOSE_SQUARE_BRACKET` tokens
* to allow for handling intermittent tokenizer issues related to the retokenization to `T_OPEN_SHORT_ARRAY`.
*
* @internal
* @ignore This array is only for internal use by PHPCSUtils and is not part of the public API.
*
* @since 1.0.2
*
* @var array<int|string, int|string>
*/
public static $shortArrayListTokensBC = [
\T_OPEN_SHORT_ARRAY => \T_OPEN_SHORT_ARRAY,
\T_CLOSE_SHORT_ARRAY => \T_CLOSE_SHORT_ARRAY,
\T_OPEN_SQUARE_BRACKET => \T_OPEN_SQUARE_BRACKET,
\T_CLOSE_SQUARE_BRACKET => \T_CLOSE_SQUARE_BRACKET,
];
}

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