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<?php |
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/** |
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* Date: 11.11.18 |
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* Time: 15:22 |
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*/ |
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namespace AlecRabbit\StringList; |
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use AlecRabbit\StringList\Contracts\StringListInterface; |
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class StringList implements StringListInterface |
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{ |
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/** @var array */ |
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private $including = []; |
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/** @var array */ |
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private $excluding = []; |
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/** |
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* StringList constructor. |
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* @param null|array $including |
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* @param null|array $excluding |
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*/ |
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public function __construct(?array $including = null, ?array $excluding = null) |
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{ |
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$this->include(...$including ?? []); |
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$this->exclude(...$excluding ?? []); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function include(string ...$including): StringListInterface |
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{ |
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$this->including = $this->process($this->including, $including); |
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$this->excluding = $this->diff($this->excluding, $this->including); |
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return $this; |
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} |
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/** |
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* @param array $first |
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* @param array $second |
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* @return array |
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*/ |
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private function process(array $first, array $second): array |
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{ |
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return |
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array_unique(array_merge($first, $second)); |
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} |
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/** |
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* @param array $first |
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* @param array $second |
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* @return array |
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*/ |
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private function diff(array $first, array $second): array |
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{ |
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return |
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array_diff($first, $second); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function exclude(string ...$excluding): StringListInterface |
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{ |
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$this->excluding = $this->process($this->excluding, $excluding); |
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$this->including = $this->diff($this->including, $this->excluding); |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has(string $element): bool |
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{ |
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return |
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$this->includes($element) && $this->notExcludes($element); |
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} |
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/** |
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* @param string $element |
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* @return bool |
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*/ |
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private function includes(string $element): bool |
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{ |
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return |
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empty($this->including) || \in_array($element, $this->including, true); |
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} |
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/** |
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* @param string $element |
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* @return bool |
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*/ |
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private function notExcludes(string $element): bool |
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{ |
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return |
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empty($this->excluding) || !\in_array($element, $this->excluding, true); |
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} |
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} |
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alecrabbit /
twrb-php-components
