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<?php |
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/** |
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* Dot - PHP dot notation access to arrays |
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* |
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* @author Riku Särkinen <[email protected]> |
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* @link https://github.com/adbario/php-dot-notation |
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* @license https://github.com/adbario/php-dot-notation/blob/2.x/LICENSE.md (MIT License) |
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*/ |
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namespace Ballybran\Core\Collections\Collection; |
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use Countable; |
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use ArrayIterator; |
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/** |
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* Dot |
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* |
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* This class provides a dot notation access and helper functions for |
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* working with arrays of data. Inspired by Laravel Collection. |
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*/ |
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class IteratorDot implements Countable |
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{ |
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/** |
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* The stored items |
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* |
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* @var array |
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*/ |
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protected $items = []; |
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/** |
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* elements |
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* |
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* @var array |
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*/ |
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protected $elements; |
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/** |
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* Create a new Dot instance |
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* |
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* @param mixed $items |
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*/ |
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public function __construct($items = []) |
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{ |
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$this->elements = $this->getArrayItems($items); |
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} |
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/** |
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* Set a given key / value pair or pairs |
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* if the key doesn't exist already |
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* |
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* @param array|int|string $keys |
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* @param mixed $value |
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*/ |
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public function add($keys, $value = null) |
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{ |
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if (is_array($keys)) { |
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foreach ($keys as $key => $value) { |
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$this->add($key, $value); |
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} |
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} elseif (is_null($this->get($keys))) { |
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$this->set($keys, $value); |
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} |
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} |
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/** |
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* Return all the stored items |
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* |
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* @return array |
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*/ |
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public function all() |
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{ |
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return $this->elements; |
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} |
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/** |
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* Delete the contents of a given key or keys |
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* |
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* @param array|int|string|null $keys |
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*/ |
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public function clear($keys = null) |
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{ |
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if (is_null($keys)) { |
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$this->elements = []; |
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return; |
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} |
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$keys = (array)$keys; |
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foreach ($keys as $key) { |
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$this->set($key, []); |
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} |
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} |
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/** |
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* Delete the given key or keys |
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* |
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* @param array|int|string $keys |
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*/ |
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public function delete($keys) |
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{ |
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$keys = (array)$keys; |
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foreach ($keys as $key) { |
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if ($this->exists($this->elements, $key)) { |
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unset($this->elements[$key]); |
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continue; |
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} |
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$items = &$this->elements; |
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$segments = explode('.', $key); |
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$lastSegment = array_pop($segments); |
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foreach ($segments as $segment) { |
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if (!isset($items[$segment]) || !is_array($items[$segment])) { |
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continue 2; |
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} |
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$items = &$items[$segment]; |
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} |
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unset($items[$lastSegment]); |
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} |
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} |
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/** |
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* Checks if the given key exists in the provided array. |
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* |
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* @param array $array Array to validate |
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* @param int|string $key The key to look for |
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* |
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* @return bool |
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*/ |
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private function exists($array, $key) |
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{ |
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return array_key_exists($key, $array); |
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} |
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/** |
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* Flatten an array with the given character as a key delimiter |
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* |
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* @param string $delimiter |
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* @param array|null $items |
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* @param string $prepend |
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* @return array |
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*/ |
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public function flatten($delimiter = '.', $items = null, $prepend = '') |
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{ |
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$flatten = []; |
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if (is_null($items)) { |
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$items = $this->elements; |
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} |
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foreach ($items as $key => $value) { |
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if (is_array($value) && !empty($value)) { |
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$flatten = array_merge( |
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$flatten, |
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$this->flatten($delimiter, $value, $prepend . $key . $delimiter) |
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); |
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} else { |
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$flatten[$prepend . $key] = $value; |
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} |
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} |
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return $flatten; |
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} |
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/** |
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* Return the value of a given key |
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* |
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* @param int|string|null $key |
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* @param mixed $default |
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* @return mixed |
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*/ |
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public function get($key = null, $default = null) |
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{ |
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if (is_null($key)) { |
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return $this->elements; |
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} |
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if ($this->exists($this->elements, $key)) { |
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return $this->elements[$key]; |
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} |
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if (false === strpos($key, '.')) { |
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return $default; |
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} |
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$items = $this->elements; |
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foreach (explode('.', $key) as $segment) { |
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if (!is_array($items) || !$this->exists($items, $segment)) { |
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return $default; |
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} |
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$items = &$items[$segment]; |
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} |
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return $items; |
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} |
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/** |
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* Return the given items as an array |
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* |
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* @param mixed $items |
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* @return array |
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*/ |
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protected function getArrayItems($items) |
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{ |
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if (is_array($items)) { |
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return $items; |
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} elseif ($items instanceof self) { |
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return $items->all(); |
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} |
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return (array)$items; |
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} |
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/** |
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* Check if a given key or keys exists |
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* |
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* @param array|int|string $keys |
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* @return bool |
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*/ |
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public function has($keys) |
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{ |
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$keys = (array)$keys; |
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if ( empty($this->elements) || $keys === []) { |
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return false; |
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} |
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foreach ($keys as $key) { |
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$items = $this->elements; |
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if ($this->exists($items, $key)) { |
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continue; |
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} |
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foreach (explode('.', $key) as $segment) { |
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if (!is_array($items) || !$this->exists($items, $segment)) { |
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return false; |
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} |
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$items = $items[$segment]; |
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} |
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} |
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return true; |
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} |
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/** |
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* Check if a given key or keys are empty |
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* |
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* @param array|int|string|null $keys |
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* @return bool |
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*/ |
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public function isEmpty($keys = null) |
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{ |
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if (is_null($keys)) { |
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return empty($this->elements); |
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} |
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$keys = (array)$keys; |
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foreach ($keys as $key) { |
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if (!empty($this->get($key))) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Merge a given array or a Dot object with the given key |
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* or with the whole Dot object |
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* |
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* @param array|string|self $key |
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* @param array $value |
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*/ |
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public function merge($key, $value = null) |
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{ |
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if (is_array($key)) { |
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$this->elements = array_merge($this->elements, $key); |
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} elseif (is_string($key)) { |
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$items = (array)$this->get($key); |
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$value = array_merge($items, $this->getArrayItems($value)); |
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$this->set($key, $value); |
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} |
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$this->elements = array_merge($this->elements, $key->all()); |
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} |
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/** |
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* Return the value of a given key and |
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* delete the key |
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* |
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* @param int|string|null $key |
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* @param mixed $default |
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* @return mixed |
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*/ |
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public function pull($key = null, $default = null) |
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{ |
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if (is_null($key)) { |
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$value = $this->all(); |
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$this->clear(); |
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return $value; |
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} |
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$value = $this->get($key, $default); |
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$this->delete($key); |
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return $value; |
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} |
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/** |
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* Push a given value to the end of the array |
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* in a given key |
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* |
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* @param mixed $key |
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* @param mixed $value |
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*/ |
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public function push($key, $value = null) |
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{ |
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if (is_null($value)) { |
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$this->elements[] = $key; |
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return; |
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} |
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$items = $this->get($key); |
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if (is_array($items) || is_null($items)) { |
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$items[] = $value; |
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$this->set($key, $items); |
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} |
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} |
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/** |
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* Set a given key / value pair or pairs |
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* |
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* @param array|int|string $keys |
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* @param mixed $value |
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*/ |
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public function set($keys, $value = null) |
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{ |
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if (is_array($keys)) { |
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foreach ($keys as $key => $value) { |
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$this->set($key, $value); |
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} |
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return; |
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} |
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$items = &$this->elements; |
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foreach (explode('.', $keys) as $key) { |
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if (!isset($items[$key]) || !is_array($items[$key])) { |
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$items[$key] = []; |
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} |
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$items = &$items[$key]; |
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} |
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$items = $value; |
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} |
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/** |
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* Replace all items with a given array |
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* |
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* @param mixed $items |
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*/ |
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public function setArray($items) |
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{ |
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$this->elements = $this->getArrayItems($items); |
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} |
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/** |
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* Replace all items with a given array as a reference |
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* |
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* @param array $items |
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*/ |
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public function setReference(array &$items) |
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{ |
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$this->elements = &$items; |
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} |
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/** |
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* Return the value of a given key or all the values as JSON |
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* |
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* @param mixed $key |
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* @param int $options |
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* @return string |
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*/ |
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public function toJson($key = null, $options = 0) |
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{ |
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if (is_string($key)) { |
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return json_encode($this->get($key), $options); |
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} |
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$options = $key === null ? 0 : $key; |
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return json_encode($this->elements, $options); |
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} |
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|
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/* |
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* -------------------------------------------------------------- |
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* Countable interface |
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* -------------------------------------------------------------- |
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*/ |
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/** |
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* Return the number of items in a given key |
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* |
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* @param int|string|null $key |
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* @return int |
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*/ |
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public function count($key = null) |
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{ |
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return count($this->get($key)); |
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} |
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} |