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<?php |
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declare(strict_types=1); |
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/** |
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* It's free open-source software released under the MIT License. |
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* |
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* @author Anatoly Fenric <[email protected]> |
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* @copyright Copyright (c) 2018, Anatoly Fenric |
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* @license https://github.com/sunrise-php/slugger/blob/master/LICENSE |
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* @link https://github.com/sunrise-php/slugger |
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*/ |
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namespace Sunrise\Slugger; |
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/** |
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* Import classes |
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*/ |
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use Sunrise\Slugger\Exception\InvalidArgumentException; |
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use Sunrise\Slugger\Exception\UnableToCreateTransliteratorException; |
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use Sunrise\Slugger\Exception\UnableToTransliterateException; |
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use Transliterator; |
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/** |
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* Import functions |
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*/ |
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use function in_array; |
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use function preg_replace; |
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use function str_replace; |
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use function strtr; |
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use function trim; |
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/** |
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* Slugger |
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*/ |
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class Slugger implements SluggerInterface |
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{ |
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/** |
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* Default Basic ID |
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* |
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* @var string |
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* |
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* @link http://userguide.icu-project.org/transforms/general#TOC-Basic-IDs |
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*/ |
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protected const DEFAULT_BASIC_ID = 'Russian-Latin/BGN'; |
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/** |
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* Transliterator |
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* |
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* @var Transliterator |
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*/ |
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protected $transliterator; |
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/** |
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* Replacements |
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* |
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* @var array<string, string> |
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*/ |
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protected $replacements = []; |
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/** |
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* Constructor of the class |
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* |
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* @param string|null $basicId |
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* @param array<string, string> $replacements |
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* |
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* @throws InvalidArgumentException |
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* @throws UnableToCreateTransliteratorException |
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*/ |
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public function __construct(?string $basicId = null, array $replacements = []) |
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{ |
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// http://userguide.icu-project.org/transforms/general#TOC-Basic-IDs |
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/** @var string */ |
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$basicId = $basicId ?? static::DEFAULT_BASIC_ID; |
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if (!in_array($basicId, Transliterator::listIDs(), true)) { |
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throw new InvalidArgumentException('Unknown Basic ID'); |
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} |
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// http://userguide.icu-project.org/transforms/general#TOC-Compound-IDs |
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$compoundIds = $basicId . '; Any-Latin; Latin-ASCII; Lower()'; |
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$transliterator = Transliterator::create($compoundIds); |
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if ($transliterator === null) { |
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throw new UnableToCreateTransliteratorException('Unable to create transliterator'); |
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} |
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$this->transliterator = $transliterator; |
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$this->replacements = $replacements; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws UnableToTransliterateException |
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*/ |
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public function slugify(string $string, string $separator = '-') : string |
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{ |
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$result = $this->transliterator->transliterate($string); |
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if ($result === false) { |
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throw new UnableToTransliterateException('Unable to transliterate'); |
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} |
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$result = strtr($result, $this->replacements); |
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$result = str_replace(['"', "'"], '', $result); |
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$result = preg_replace('/[^0-9A-Za-z]++/', $separator, $result); |
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$result = trim($result, $separator); |
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return $result; |
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} |
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} |
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sunrise-php /
slugger
