Collection::slice() - Code Metrics - platine-php/collection - Measure and Improve Code Quality continuously with Scrutinizer

Collection::slice() A
last analyzed 2025-09-18 05:33 UTC

↳ Parent: Collection

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	4
c	0
b	0
f	0
dl	0
loc	7
rs	10
cc	2
nc	2
nop	2

<?php

/**
 * Platine Collection
 *
 * Platine Collection provides a flexible and simple PHP collection implementation.
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2020 Platine Collection
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/**
 *  @file Collection.php
 *
 *  The Collection class
 *
 *  @package    Platine\Collection
 *  @author Platine Developers Team
 *  @copyright  Copyright (c) 2020
 *  @license    http://opensource.org/licenses/MIT  MIT License
 *  @link   https://www.platine-php.com
 *  @version 1.0.0
 *  @filesource
 */

declare(strict_types=1);

namespace Platine\Collection;

use OutOfRangeException;
use Platine\Collection\Exception\InvalidOperationException;

/**
 * @class Collection
 * @package Platine\Collection
 * @template T
 * @extends BaseCollection<T>
 * @implements MergeableInterface<T>
 * @implements SortableInterface<T>
 */
class Collection extends BaseCollection implements
    IterableInterface,
    MergeableInterface,
    SortableInterface
{
    /**
     * Create new instance
     * @param array<mixed, mixed> $data
     * @param string $type The type of this collection elements
     */
    public function __construct(array $data = [], protected string $type = '')
    {
        foreach ($data as $value) {
            $this->validateEntry($value);
        }

        parent::__construct($data);
    }

    /**
     * Fill the collection
     * @param array<mixed, mixed> $data
     * @return void
     */
    public function fill(array $data): void
    {
        foreach ($data as $value) {
            $this->add($value);
        }
    }

    /**
     *
     * @param mixed $value
     * @return void
     */
    public function add(mixed $value): void
    {
        $this->validateEntry($value);

        $data = $this->all();
        array_push($data, $value);
        $this->data->setData($data);
    }

    /**
     *
     * @param int $offset
     * @param mixed $value
     * @return bool
     * @throws InvalidOperationException
     */
    public function update(int $offset, mixed $value): bool
    {
        $this->validateEntry($value);

        if (!$this->exists($offset)) {
            throw new InvalidOperationException(sprintf(
                'The collection index [%d] does not exists',
                $offset
            ));
        }

        $this->data[$offset] = $value;

        return $this->data[$offset] === $value;
    }

    /**
     *
     * @return string
     */
    public function getType(): string
    {
        return $this->type;
    }

    /**
     *
     * @param BaseCollection<T> $collection
     * @return $this
     * @throws InvalidOperationException
     */
    public function diff(BaseCollection $collection): self
    {
        if (!$collection instanceof self) {
            throw new InvalidOperationException(
                'You should only compare a collection of same type'
            );
        }

        if ($this->type !== $collection->getType()) {
            throw new InvalidOperationException(sprintf(
                'This is a collection of type [%s], you '
                    . 'cannot pass a collection of type [%s]',
                $this->type,
                $collection->getType()
            ));
        }

        $diffValues = array_udiff(
            $this->all(),
            $collection->all(),
            function ($a, $b) {
                return $a <=> $b;
            }
        );

        return new $this(array_values($diffValues));
    }

    /**
     *
     * @param int $offset
     * @return mixed
     * @throws OutOfRangeException
     */
    public function get(int $offset): mixed
    {
        if ($this->isEmpty()) {
            throw new OutOfRangeException('The collection is empty');
        }

        if (!$this->data->offsetExists($offset)) {
            throw new OutOfRangeException(sprintf(
                'The collection index [%d] does not exists',
                $offset
            ));
        }

        return $this->data->offsetGet($offset);
    }

    /**
     * {@inheritedoc}
     */
    public function equals(BaseCollection $collection): bool
    {
        if (!$collection instanceof self) {
            throw new InvalidOperationException(
                'You should only compare a collection of the same type'
            );
        }

        return $this->all() == $collection->all();
    }

    /**
     *
     * @param callable $callback
     * @return $this|null
     */
    public function filter(callable $callback): ?self
    {
        $matches = [];

        foreach ($this->data as $key => $value) {
            $val = call_user_func($callback, $key, $value);
            if ($val === true) {
                $matches[] = $value;
            }
        }

        return count($matches) > 0
                ? new $this($matches)
                : null;
    }

    /**
     * {@inheritedoc}
     */
    public function forEach(callable $callback): void
    {
        $data = $this->all();
        array_walk($data, $callback);

        $this->data->setData($data);
    }

    /**
     *
     * @param callable $callback
     * @return $this|null
     */
    public function map(callable $callback): ?self
    {
        $matches = array_map($callback, $this->all());

        return count($matches) > 0
                ? new $this(array_values($matches))
                : null;
    }

    /**
     * {@inheritedoc}
     */
    public function merge(BaseCollection $collection): BaseCollection
    {
        return new $this(array_merge($this->all(), $collection->all()));
    }

    /**
     * Return a random element of the collection
     * @return mixed
     */
    public function rand(): mixed
    {
        if ($this->isEmpty()) {
            throw new InvalidOperationException('The collection is empty');
        }

        /** @var int $offset */
        $offset = array_rand($this->all());

        return $this->get($offset);
    }

    /**
     * Remove the element at the given index
     * @param int $offset
     * @return void
     */
    public function remove(int $offset): void
    {
        if ($this->isEmpty()) {
            throw new OutOfRangeException('The collection is empty');
        }

        if (!$this->data->offsetExists($offset)) {
            throw new OutOfRangeException(sprintf(
                'The collection index [%d] does not exists',
                $offset
            ));
        }

        $this->data->offsetUnset($offset);
        $this->repopulate();
    }

    /**
     *
     * @param int $offset
     * @param int|null $length
     * @return $this|null
     */
    public function slice(int $offset, ?int $length = null): ?self
    {
        $newData = array_slice($this->all(), $offset, $length);

        return count($newData) > 0
                ? new $this($newData)
                : null;
    }

    /**
     * Sort the collection
     * @param callable $callback
     * @return Collection<T>|null
     */
    public function sort(callable $callback): ?BaseCollection
    {
        $data = $this->all();

        return usort($data, $callback)
                ? new $this($data)
                : null;
    }

    /**
     *
     * @return $this
     */
    public function reverse(): self
    {
        if ($this->isEmpty()) {
            throw new InvalidOperationException('The collection is empty');
        }

        return new $this(array_reverse($this->all()));
    }

    /**
     * Validate the collection value type
     * @param mixed $value
     * @return bool
     */
    protected function validateEntry(mixed $value): bool
    {
        if (!empty($this->type)) {
            TypeCheck::isValueOf(
                $value,
                $this->type,
                sprintf(
                    'The type specified for this collection is '
                        . '[%s], you cannot pass a value of type [%s]',
                    $this->type,
                    is_object($value) ? get_class($value) : gettype($value)
                )
            );
        }
        return true;
    }
}


1			<?php
2
3			/**
4			* Platine Collection
5			*
6			* Platine Collection provides a flexible and simple PHP collection implementation.
7			*
8			* This content is released under the MIT License (MIT)
9			*
10			* Copyright (c) 2020 Platine Collection
11			*
12			* Permission is hereby granted, free of charge, to any person obtaining a copy
13			* of this software and associated documentation files (the "Software"), to deal
14			* in the Software without restriction, including without limitation the rights
15			* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
16			* copies of the Software, and to permit persons to whom the Software is
17			* furnished to do so, subject to the following conditions:
18			*
19			* The above copyright notice and this permission notice shall be included in all
20			* copies or substantial portions of the Software.
21			*
22			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23			* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24			* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
25			* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26			* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
27			* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
28			* SOFTWARE.
29			*/
30
31			/**
32			* @file Collection.php
33			*
34			* The Collection class
35			*
36			* @package Platine\Collection
37			* @author Platine Developers Team
38			* @copyright Copyright (c) 2020
39			* @license http://opensource.org/licenses/MIT MIT License
40			* @link https://www.platine-php.com
41			* @version 1.0.0
42			* @filesource
43			*/
44
45			declare(strict_types=1);
46
47			namespace Platine\Collection;
48
49			use OutOfRangeException;
50			use Platine\Collection\Exception\InvalidOperationException;
51
52			/**
53			* @class Collection
54			* @package Platine\Collection
55			* @template T
56			* @extends BaseCollection<T>
57			* @implements MergeableInterface<T>
58			* @implements SortableInterface<T>
59			*/
60			class Collection extends BaseCollection implements
61			IterableInterface,
62			MergeableInterface,
63			SortableInterface
64			{
65			/**
66			* Create new instance
67			* @param array<mixed, mixed> $data
68			* @param string $type The type of this collection elements
69			*/
70			public function __construct(array $data = [], protected string $type = '')
71			{
72			foreach ($data as $value) {
73			$this->validateEntry($value);
74			}
75
76			parent::__construct($data);
77			}
78
79			/**
80			* Fill the collection
81			* @param array<mixed, mixed> $data
82			* @return void
83			*/
84			public function fill(array $data): void
85			{
86			foreach ($data as $value) {
87			$this->add($value);
88			}
89			}
90
91			/**
92			*
93			* @param mixed $value
94			* @return void
95			*/
96			public function add(mixed $value): void
97			{
98			$this->validateEntry($value);
99
100			$data = $this->all();
101			array_push($data, $value);
102			$this->data->setData($data);
103			}
104
105			/**
106			*
107			* @param int $offset
108			* @param mixed $value
109			* @return bool
110			* @throws InvalidOperationException
111			*/
112			public function update(int $offset, mixed $value): bool
113			{
114			$this->validateEntry($value);
115
116			if (!$this->exists($offset)) {
117			throw new InvalidOperationException(sprintf(
118			'The collection index [%d] does not exists',
119			$offset
120			));
121			}
122
123			$this->data[$offset] = $value;
124
125			return $this->data[$offset] === $value;
126			}
127
128			/**
129			*
130			* @return string
131			*/
132			public function getType(): string
133			{
134			return $this->type;
135			}
136
137			/**
138			*
139			* @param BaseCollection<T> $collection
140			* @return $this
141			* @throws InvalidOperationException
142			*/
143			public function diff(BaseCollection $collection): self
144			{
145			if (!$collection instanceof self) {
146			throw new InvalidOperationException(
147			'You should only compare a collection of same type'
148			);
149			}
150
151			if ($this->type !== $collection->getType()) {
152			throw new InvalidOperationException(sprintf(
153			'This is a collection of type [%s], you '
154			. 'cannot pass a collection of type [%s]',
155			$this->type,
156			$collection->getType()
157			));
158			}
159
160			$diffValues = array_udiff(
161			$this->all(),
162			$collection->all(),
163			function ($a, $b) {
164			return $a <=> $b;
165			}
166			);
167
168			return new $this(array_values($diffValues));
169			}
170
171			/**
172			*
173			* @param int $offset
174			* @return mixed
175			* @throws OutOfRangeException
176			*/
177			public function get(int $offset): mixed
178			{
179			if ($this->isEmpty()) {
180			throw new OutOfRangeException('The collection is empty');
181			}
182
183			if (!$this->data->offsetExists($offset)) {
184			throw new OutOfRangeException(sprintf(
185			'The collection index [%d] does not exists',
186			$offset
187			));
188			}
189
190			return $this->data->offsetGet($offset);
191			}
192
193			/**
194			* {@inheritedoc}
195			*/
196			public function equals(BaseCollection $collection): bool
197			{
198			if (!$collection instanceof self) {
199			throw new InvalidOperationException(
200			'You should only compare a collection of the same type'
201			);
202			}
203
204			return $this->all() == $collection->all();
205			}
206
207			/**
208			*
209			* @param callable $callback
210			* @return $this\|null
211			*/
212			public function filter(callable $callback): ?self
213			{
214			$matches = [];
215
216			foreach ($this->data as $key => $value) {
217			$val = call_user_func($callback, $key, $value);
218			if ($val === true) {
219			$matches[] = $value;
220			}
221			}
222
223			return count($matches) > 0
224			? new $this($matches)
225			: null;
226			}
227
228			/**
229			* {@inheritedoc}
230			*/
231			public function forEach(callable $callback): void
232			{
233			$data = $this->all();
234			array_walk($data, $callback);
235
236			$this->data->setData($data);
237			}
238
239			/**
240			*
241			* @param callable $callback
242			* @return $this\|null
243			*/
244			public function map(callable $callback): ?self
245			{
246			$matches = array_map($callback, $this->all());
247
248			return count($matches) > 0
249			? new $this(array_values($matches))
250			: null;
251			}
252
253			/**
254			* {@inheritedoc}
255			*/
256			public function merge(BaseCollection $collection): BaseCollection
257			{
258			return new $this(array_merge($this->all(), $collection->all()));
259			}
260
261			/**
262			* Return a random element of the collection
263			* @return mixed
264			*/
265			public function rand(): mixed
266			{
267			if ($this->isEmpty()) {
268			throw new InvalidOperationException('The collection is empty');
269			}
270
271			/** @var int $offset */
272			$offset = array_rand($this->all());
273
274			return $this->get($offset);
275			}
276
277			/**
278			* Remove the element at the given index
279			* @param int $offset
280			* @return void
281			*/
282			public function remove(int $offset): void
283			{
284			if ($this->isEmpty()) {
285			throw new OutOfRangeException('The collection is empty');
286			}
287
288			if (!$this->data->offsetExists($offset)) {
289			throw new OutOfRangeException(sprintf(
290			'The collection index [%d] does not exists',
291			$offset
292			));
293			}
294
295			$this->data->offsetUnset($offset);
296			$this->repopulate();
297			}
298
299			/**
300			*
301			* @param int $offset
302			* @param int\|null $length
303			* @return $this\|null
304			*/
305			public function slice(int $offset, ?int $length = null): ?self
306			{
307			$newData = array_slice($this->all(), $offset, $length);
308
309			return count($newData) > 0
310			? new $this($newData)
311			: null;
312			}
313
314			/**
315			* Sort the collection
316			* @param callable $callback
317			* @return Collection<T>\|null
318			*/
319			public function sort(callable $callback): ?BaseCollection
320			{
321			$data = $this->all();
322
323			return usort($data, $callback)
324			? new $this($data)
325			: null;
326			}
327
328			/**
329			*
330			* @return $this
331			*/
332			public function reverse(): self
333			{
334			if ($this->isEmpty()) {
335			throw new InvalidOperationException('The collection is empty');
336			}
337
338			return new $this(array_reverse($this->all()));
339			}
340
341			/**
342			* Validate the collection value type
343			* @param mixed $value
344			* @return bool
345			*/
346			protected function validateEntry(mixed $value): bool
347			{
348			if (!empty($this->type)) {
349			TypeCheck::isValueOf(
350			$value,
351			$this->type,
352			sprintf(
353			'The type specified for this collection is '
354			. '[%s], you cannot pass a value of type [%s]',
355			$this->type,
356			is_object($value) ? get_class($value) : gettype($value)
357			)
358			);
359			}
360			return true;
361			}
362			}
363

platine-php / collection

Collection::slice() A last analyzed 2025-09-18 05:33 UTC

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Collection::slice() A
last analyzed 2025-09-18 05:33 UTC