Collection::next() - Code Metrics - apicart/php-utils - Measure and Improve Code Quality continuously with Scrutinizer

Collection::next() A
last analyzed 2019-04-27 08:33 UTC

↳ Parent: Collection

Complexity

Conditions	2
Paths	1

Size

Total Lines	7
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
cc	2
eloc	3
nc	1
nop	0
dl	0
loc	7
ccs	0
cts	4
cp	0
crap	6
rs	10
c	0
b	0
f	0

<?php declare(strict_types = 1);

namespace Apicart\Utils\Arrays;

use ArrayAccess;
use Countable;
use Iterator;
use IteratorAggregate;
use RecursiveArrayIterator;

final class Collection implements ArrayAccess, Countable, IteratorAggregate
{

	/**
	 * @var callable
	 */
	private $callable;

	/**
	 * @var array
	 */
	private $loadedData = null;


	public function __construct(callable $dataProvider)
	{
		$this->callable = $dataProvider;
	}


	public function createFrom(callable $dataProvider): self
	{
		return new static($dataProvider);
	}


	/**
	 * @return mixed|null
	 */
	public function column(int $index = 0)
	{
		$firstRow = $this->first();
		if (is_array($firstRow) === true) {
			$values = array_values($firstRow);

			return $values[$index] ?? null;
		}

		return null;
	}


	/**
	 * @return mixed|null
	 */
	public function first()
	{
		$this->initialize();

		$first = reset($this->loadedData);

		return $first ?: null;
	}


	/**
	 * @return mixed|bool
	 */
	public function last()
	{
		$this->initialize();

		$last = end($this->loadedData);

		return $last ?: null;
	}


	/**
	 * @return int|string|null
	 */
	public function key()
	{
		$this->initialize();

		return key($this->loadedData);
	}


	/**
	 * @return mixed|null
	 */
	public function next()
	{
		$this->initialize();

		$next = next($this->loadedData);

		return $next ?: null;
	}


	/**
	 * @return mixed|null
	 */
	public function current()
	{
		$this->initialize();

		$current = current($this->loadedData);

		return $current ?: null;
	}


	/**
	 * @param int|string $key
	 * @return mixed|null
	 */
	public function remove($key)
	{
		$this->initialize();

		if (! isset($this->loadedData[$key]) && ! $this->contains($key)) {
			return null;
		}

		$removed = $this->loadedData[$key];
		unset($this->loadedData[$key]);

		return $removed;
	}


	/**
	 * @param mixed $element
	 * @return bool|int|string
	 */
	public function indexOf($element)
	{
		return array_search($element, $this->toArray(), true);
	}


	/**
	 * @param int|string $key
	 * @return mixed|null
	 */
	public function get($key)
	{
		$this->initialize();

		return $this->loadedData[$key] ?? null;
	}


	public function getKeys(): array
	{
		$this->initialize();

		return array_keys($this->loadedData);
	}


	public function getValues(): array
	{
		$this->initialize();

		return array_values($this->loadedData);
	}


	/**
	 * @param int|string $key
	 * @param mixed $value
	 */
	public function set($key, $value): void
	{
		$this->initialize();

		$this->loadedData[$key] = $value;
	}


	/**
	 * @param mixed $element
	 */
	public function add($element): bool
	{
		$this->initialize();

		$this->loadedData[] = $element;

		return true;
	}


	public function isEmpty(): bool
	{
		return $this->toArray() === [];
	}


	public function clear(): void
	{
		$this->initialize();

		$this->loadedData = [];
	}


	/**
	 * {@inheritdoc}
	 */
	public function getIterator(): Iterator
	{
		return new RecursiveArrayIterator($this->toArray());
	}


	/**
	 * @param mixed $offset
	 */
	public function offsetExists($offset): bool
	{
		return $this->contains($offset);
	}


	/**
	 * @param mixed $offset
	 * @return mixed
	 */
	public function offsetGet($offset)
	{
		return $this->get($offset);
	}


	/**
	 * @param mixed $offset
	 * @param mixed $value
	 */
	public function offsetSet($offset, $value): void
	{
		$this->set($offset, $value);
	}


	/**
	 * @param mixed $offset
	 */
	public function offsetUnset($offset): void
	{
		$this->remove($offset);
	}


	/**
	 * {@inheritdoc}
	 */
	public function count(): int
	{
		return count($this->toArray());
	}


	public function toArray(): array
	{
		$this->initialize();

		return $this->loadedData;
	}


	private function initialize(): void
	{
		if ($this->loadedData === null) {
			$data = call_user_func($this->callable);
			$this->loadedData = is_array($data) ? $data : [$data];
		}
	}


	/**
	 * @param int|string $key
	 */
	private function contains($key): bool
	{
		$this->initialize();

		return isset($this->loadedData[$key]) || array_key_exists($key, $this->loadedData);
	}

}


1		<?php declare(strict_types = 1);
2
3		namespace Apicart\Utils\Arrays;
4
5		use ArrayAccess;
6		use Countable;
7		use Iterator;
8		use IteratorAggregate;
9		use RecursiveArrayIterator;
10
11		final class Collection implements ArrayAccess, Countable, IteratorAggregate
12		{
13
14		/**
15		* @var callable
16		*/
17		private $callable;
18
19		/**
20		* @var array
21		*/
22		private $loadedData = null;
23
24
25	11	public function __construct(callable $dataProvider)
26		{
27	11	$this->callable = $dataProvider;
28	11	}
29
30
31		public function createFrom(callable $dataProvider): self
32		{
33		return new static($dataProvider);
34		}
35
36
37		/**
38		* @return mixed\|null
39		*/
40	1	public function column(int $index = 0)
41		{
42	1	$firstRow = $this->first();
43	1	if (is_array($firstRow) === true) {
44		$values = array_values($firstRow);
45
46		return $values[$index] ?? null;
47		}
48
49	1	return null;
50		}
51
52
53		/**
54		* @return mixed\|null
55		*/
56	2	public function first()
57		{
58	2	$this->initialize();
59
60	2	$first = reset($this->loadedData);
61
62	2	return $first ?: null;
63		}
64
65
66		/**
67		* @return mixed\|bool
68		*/
69	1	public function last()
70		{
71	1	$this->initialize();
72
73	1	$last = end($this->loadedData);
74
75	1	return $last ?: null;
76		}
77
78
79		/**
80		* @return int\|string\|null
81		*/
82		public function key()
83		{
84		$this->initialize();
85
86		return key($this->loadedData);
87		}
88
89
90		/**
91		* @return mixed\|null
92		*/
93		public function next()
94		{
95		$this->initialize();
96
97		$next = next($this->loadedData);
98
99		return $next ?: null;
100		}
101
102
103		/**
104		* @return mixed\|null
105		*/
106		public function current()
107		{
108		$this->initialize();
109
110		$current = current($this->loadedData);
111
112		return $current ?: null;
113		}
114
115
116		/**
117		* @param int\|string $key
118		* @return mixed\|null
119		*/
120	1	public function remove($key)
121		{
122	1	$this->initialize();
123
124	1	if (! isset($this->loadedData[$key]) && ! $this->contains($key)) {
125		return null;
126		}
127
128	1	$removed = $this->loadedData[$key];
129	1	unset($this->loadedData[$key]);
130
131	1	return $removed;
132		}
133
134
135		/**
136		* @param mixed $element
137		* @return bool\|int\|string
138		*/
139		public function indexOf($element)
140		{
141		return array_search($element, $this->toArray(), true);
142		}
143
144
145		/**
146		* @param int\|string $key
147		* @return mixed\|null
148		*/
149	2	public function get($key)
150		{
151	2	$this->initialize();
152
153	2	return $this->loadedData[$key] ?? null;
154		}
155
156
157		public function getKeys(): array
158		{
159		$this->initialize();
160
161		return array_keys($this->loadedData);
162		}
163
164
165		public function getValues(): array
166		{
167		$this->initialize();
168
169		return array_values($this->loadedData);
170		}
171
172
173		/**
174		* @param int\|string $key
175		* @param mixed $value
176		*/
177	1	public function set($key, $value): void
178		{
179	1	$this->initialize();
180
181	1	$this->loadedData[$key] = $value;
182	1	}
183
184
185		/**
186		* @param mixed $element
187		*/
188		public function add($element): bool
189		{
190		$this->initialize();
191
192		$this->loadedData[] = $element;
193
194		return true;
195		}
196
197
198		public function isEmpty(): bool
199		{
200		return $this->toArray() === [];
201		}
202
203
204		public function clear(): void
205		{
206		$this->initialize();
207
208		$this->loadedData = [];
209		}
210
211
212		/**
213		* {@inheritdoc}
214		*/
215	1	public function getIterator(): Iterator
216		{
217	1	return new RecursiveArrayIterator($this->toArray());
218		}
219
220
221		/**
222		* @param mixed $offset
223		*/
224	2	public function offsetExists($offset): bool
225		{
226	2	return $this->contains($offset);
227		}
228
229
230		/**
231		* @param mixed $offset
232		* @return mixed
233		*/
234	2	public function offsetGet($offset)
235		{
236	2	return $this->get($offset);
237		}
238
239
240		/**
241		* @param mixed $offset
242		* @param mixed $value
243		*/
244	1	public function offsetSet($offset, $value): void
245		{
246	1	$this->set($offset, $value);
247	1	}
248
249
250		/**
251		* @param mixed $offset
252		*/
253	1	public function offsetUnset($offset): void
254		{
255	1	$this->remove($offset);
256	1	}
257
258
259		/**
260		* {@inheritdoc}
261		*/
262	1	public function count(): int
263		{
264	1	return count($this->toArray());
265		}
266
267
268	4	public function toArray(): array
269		{
270	4	$this->initialize();
271
272	4	return $this->loadedData;
273		}
274
275
276	11	private function initialize(): void
277		{
278	11	if ($this->loadedData === null) {
279	11	$data = call_user_func($this->callable);
280	11	$this->loadedData = is_array($data) ? $data : [$data];
281		}
282	11	}
283
284
285		/**
286		* @param int\|string $key
287		*/
288	2	private function contains($key): bool
289		{
290	2	$this->initialize();
291
292	2	return isset($this->loadedData[$key]) \|\| array_key_exists($key, $this->loadedData);
293		}
294
295		}
296

apicart / php-utils

Collection::next() A last analyzed 2019-04-27 08:33 UTC

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Collection::next() A
last analyzed 2019-04-27 08:33 UTC