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<?php namespace Arcanedev\Stripe\Utilities; |
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use Arcanedev\Stripe\Contracts\Utilities\UtilSetInterface; |
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use ArrayIterator; |
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use Countable; |
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use IteratorAggregate; |
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/** |
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* Class UtilSet |
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* |
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* @package Arcanedev\Stripe\Utilities |
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* @author ARCANEDEV <[email protected]> |
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*/ |
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class UtilSet implements UtilSetInterface, IteratorAggregate, Countable |
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{ |
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/* ------------------------------------------------------------------------------------------------ |
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| Properties |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** @var array */ |
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private $items; |
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/* ------------------------------------------------------------------------------------------------ |
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| Constructor |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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public function __construct($attributes = []) |
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{ |
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$this->items = []; |
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foreach ($attributes as $attribute) { |
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$this->add($attribute); |
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} |
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} |
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/* ------------------------------------------------------------------------------------------------ |
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| Main Functions |
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Check if attribute is included. |
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* |
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* @param string $attribute |
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* |
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* @return bool |
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*/ |
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public function includes($attribute) |
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{ |
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return isset($this->items[$attribute]); |
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} |
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/** |
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* Add attribute |
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* |
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* @param $attribute |
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*/ |
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public function add($attribute) |
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{ |
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$this->items[$attribute] = true; |
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} |
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/** |
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* @param $attribute |
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*/ |
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public function discard($attribute) |
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{ |
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unset($this->items[$attribute]); |
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} |
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/** |
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* Get all attributes key |
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* |
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* @return array |
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*/ |
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public function keys() |
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{ |
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return array_keys($this->items); |
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} |
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/** |
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* Diff Keys |
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* |
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* @param array $keys |
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* |
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* @return array |
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*/ |
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public function diffKeys(array $keys = []) |
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{ |
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return array_diff($this->keys(), $keys); |
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} |
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/** |
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* Get all Attributes |
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* |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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return $this->count() ? $this->keys() : []; |
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} |
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/** |
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* @return ArrayIterator |
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*/ |
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public function getIterator() |
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{ |
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return new ArrayIterator($this->toArray()); |
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} |
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/** |
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* Count items |
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* |
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* @return int The custom count as an integer. |
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*/ |
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public function count() |
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{ |
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return count($this->items); |
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} |
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/* ------------------------------------------------------------------------------------------------ |
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| Check Functions |
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122
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| ------------------------------------------------------------------------------------------------ |
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*/ |
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/** |
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* Check if the items are empty. |
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* |
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* @return bool |
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*/ |
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public function isEmpty() |
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{ |
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return empty($this->items); |
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} |
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} |
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|
ARCANEDEV /
Stripe
