ArrayView::count() - Code Metrics - Inspection of "More example tests." - Smoren/array-view-php - Measure and Improve Code Quality continuously with Scrutinizer

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by Smoren

created 2024-03-20 04:04 UTC

ArrayView::count() A

↳ Parent: ArrayView

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	1

Metric	Value
eloc	1
c	2
b	0
f	1
dl	0
loc	3
rs	10
cc	1
nc	1
nop	0

<?php

declare(strict_types=1);

namespace Smoren\ArrayView\Views;

use Smoren\ArrayView\Exceptions\IndexError;
use Smoren\ArrayView\Exceptions\KeyError;
use Smoren\ArrayView\Exceptions\SizeError;
use Smoren\ArrayView\Exceptions\ReadonlyError;
use Smoren\ArrayView\Exceptions\ValueError;
use Smoren\ArrayView\Interfaces\ArraySelectorInterface;
use Smoren\ArrayView\Interfaces\ArrayViewInterface;
use Smoren\ArrayView\Traits\ArrayViewAccessTrait;
use Smoren\ArrayView\Traits\ArrayViewOperationsTrait;
use Smoren\ArrayView\Util;

/**
 * Class representing a view of an array or another array view
 * with additional methods for filtering, mapping, and transforming the data.
 *
 * ```php
 * $source = [1, 2, 3, 4, 5];
 * $view = ArrayView::toView($source);
 * ```
 *
 * @template T Type of array source elements.
 *
 * @implements ArrayViewInterface<T>
 */
class ArrayView implements ArrayViewInterface
{
    /**
     * @use ArrayViewAccessTrait<T, string|array<int|bool>|ArrayViewInterface<int|bool>|ArraySelectorInterface>
     *
     * for array access methods.
     */
    use ArrayViewAccessTrait;
    /**
     * @use ArrayViewOperationsTrait<T, string|array<int|bool>|ArrayViewInterface<int|bool>|ArraySelectorInterface>
     *
     * for utils methods.
     */
    use ArrayViewOperationsTrait;

    /**
     * @var array<T>|ArrayViewInterface<T> The source array or view.
     */
    protected $source;
    /**
     * @var bool Flag indicating if the view is readonly.
     */
    protected bool $readonly;
    /**
     * @var ArrayViewInterface<T>|null The parent view of the current view.
     */
    protected ?ArrayViewInterface $parentView;

    /**
     * Creates an ArrayView instance from the given source array or ArrayView.
     *
     * * If the source is not an ArrayView, a new ArrayView is created with the provided source.
     * * If the source is an ArrayView and the `readonly` parameter is specified as `true`,
     * a new readonly ArrayView is created.
     * * If the source is an ArrayView and it is already readonly, the same ArrayView is returned.
     *
     * ##### Example
     * ```php
     * $source = [1, 2, 3, 4, 5];
     * $view = ArrayView::toView($source);
     *
     * $view[0]; // 1
     * $view['1::2']; // [2, 4]
     * $view['1::2'] = [22, 44];
     *
     * $view->toArray(); // [1, 22, 3, 44, 5]
     * $source; // [1, 22, 3, 44, 5]
     * ```
     *
     * ##### Readonly example
     * ```php
     * $source = [1, 2, 3, 4, 5];
     * $view = ArrayView::toView($source, true);
     *
     * $view['1::2']; // [2, 4]
     * $view['1::2'] = [22, 44]; // throws ReadonlyError
     * $view[0] = 11; // throws ReadonlyError
     * ```
     *
     * @param array<T>|ArrayViewInterface<T> $source The source array or ArrayView to create a view from.
     * @param bool|null $readonly Optional flag to indicate whether the view should be readonly.
     *
     * @return ArrayViewInterface<T> An ArrayView instance based on the source array or ArrayView.
     *
     * @throws ValueError if the array is not sequential.
     * @throws ReadonlyError if the source is readonly and trying to create a non-readonly view.
     */
    public static function toView(&$source, ?bool $readonly = null): ArrayViewInterface
    {
        if (!($source instanceof ArrayViewInterface)) {
            return new ArrayView($source, $readonly);
        }

        if (!$source->isReadonly() && $readonly) {
            return new ArrayView($source, $readonly);
        }

        return $source;
    }

    /**
     * {@inheritDoc}
     *
     * ##### Example:
     * ```php
     * $source = [1, 2, 3, 4, 5];
     * $view = ArrayView::toUnlinkedView($source);
     *
     * $view[0]; // 1
     * $view['1::2']; // [2, 4]
     * $view['1::2'] = [22, 44];
     *
     * $view->toArray(); // [1, 22, 3, 44, 5]
     * $source; // [1, 2, 3, 4, 5]
     * ```
     *
     * ##### Readonly example:
     * ```php
     * $source = [1, 2, 3, 4, 5];
     * $view = ArrayView::toUnlinkedView($source, true);
     *
     * $view['1::2']; // [2, 4]
     * $view['1::2'] = [22, 44]; // throws ReadonlyError
     * $view[0] = 11; // throws ReadonlyError
     * ```
     */
    public static function toUnlinkedView($source, ?bool $readonly = null): ArrayViewInterface
    {
        return static::toView($source, $readonly);
    }

    /**
     * Constructor to create a new ArrayView.
     *
     * * If the source is not an ArrayView, a new ArrayView is created with the provided source.
     * * If the source is an ArrayView and the `readonly` parameter is specified as `true`,
     * a new readonly ArrayView is created.
     * * If the source is an ArrayView and it is already readonly, the same ArrayView is returned.
     *
     * @param array<T>|ArrayViewInterface<T> $source The source array or view.
     * @param bool|null $readonly Flag indicating if the view is readonly.
     *
     * @throws ValueError if the array is not sequential.
     * @throws ReadonlyError if the source is readonly and trying to create a non-readonly view.
     *
     * @see ArrayView::toView() for creating views.
     */
    public function __construct(&$source, ?bool $readonly = null)
    {
        $this->checkSequentialArgument($source);

        $this->source = &$source;
        $this->readonly = $readonly ?? (($source instanceof ArrayViewInterface) ? $source->isReadonly() : false);
        $this->parentView = ($source instanceof ArrayViewInterface) ? $source : null;

        if (($source instanceof ArrayViewInterface) && $source->isReadonly() && !$this->isReadonly()) {
            throw new ReadonlyError("Cannot create non-readonly view for readonly source.");
        }
    }

    /**
     * Returns the array representation of the view.
     *
     * ##### Example
     * ```php
     * $source = [1, 2, 3, 4, 5];
     * $view = ArrayView::toView($source);
     * $view->toArray(); // [1, 2, 3, 4, 5]
     * ```
     *
     * @return array<T> The array representation of the view.
     */
    public function toArray(): array
    {
        return [...$this];

    }

    /**
     * Returns a subview of this view based on a selector or string slice.
     *
     * ##### Example (using selector objects)
     * ```php
     * $source = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
     *
     * $subview = ArrayView::toView($source)
     *     ->subview(new SliceSelector('::2'))                          // [1, 3, 5, 7, 9]
     *     ->subview(new MaskSelector([true, false, true, true, true])) // [1, 5, 7, 9]
     *     ->subview(new IndexListSelector([0, 1, 2]))                  // [1, 5, 7]
     *     ->subview(new SliceSelector('1:'));                          // [5, 7]
     *
     * $subview[':'] = [55, 77];
     * print_r($source); // [1, 2, 3, 4, 55, 6, 77, 8, 9, 10]
     * ```
     *
     * ##### Example (using short objects)
     * ```php
     * $source = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
     *
     * $subview = ArrayView::toView($source)
     *     ->subview('::2')                           // [1, 3, 5, 7, 9]
     *     ->subview([true, false, true, true, true]) // [1, 5, 7, 9]
     *     ->subview([0, 1, 2])                       // [1, 5, 7]
     *     ->subview('1:');                           // [5, 7]
     *
     * $subview[':'] = [55, 77];
     * print_r($source); // [1, 2, 3, 4, 55, 6, 77, 8, 9, 10]
     * ```
     *
     * ##### Readonly example
     * ```php
     * $source = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
     * $subview = ArrayView::toView($source)->subview('::2');
     *
     * $subview[':']; // [1, 3, 5, 7, 9]
     * $subview[':'] = [11, 33, 55, 77, 99]; // throws ReadonlyError
     * $subview[0] = [11]; // throws ReadonlyError
     * ```
     *
     * @template S of string|array<int|bool>|ArrayViewInterface<int|bool>|ArraySelectorInterface Selector type.
     *
     * @param S $selector The selector or string to filter the subview.
filter:
    dependency_paths: ["lib/*"]
     * @param bool|null $readonly Flag indicating if the subview should be read-only.
     *
     * @return ArrayViewInterface<T> A new view representing the subview of this view.
     *
     * @throws IndexError if the selector is IndexListSelector and some indexes are out of range.
     * @throws SizeError if the selector is MaskSelector and size of the mask not equals to size of the view.
     * @throws KeyError if the selector is not valid (e.g. non-sequential array).
     */
    public function subview($selector, bool $readonly = null): ArrayViewInterface
    {
        return $this->toSelector($selector)->select($this, $readonly);
    }

    /**
     * Sets new values for the elements in the view.
     *
     * ##### Example
     * ```php
     * $source = [1, 2, 3, 4, 5];
     * $subview = ArrayView::toView($source)->subview('::2'); // [1, 3, 5]
     *
     * $subview->set([11, 33, 55]);
     * $subview->toArray(); // [11, 33, 55]
     *
     * $source; // [11, 2, 33, 4, 55]
     * ```
     *
     * @param array<T>|ArrayViewInterface<T>|T $newValues The new values to set.
     *
     * @return ArrayView<T> this view.
     *
     * @throws ValueError if the $newValues is not sequential array.
     * @throws SizeError if size of $newValues not equals to size of the view.
     */
    public function set($newValues): self
    {
        $this->checkSequentialArgument($newValues);

        if (!\is_array($newValues) && !($newValues instanceof ArrayViewInterface)) {

            $size = \count($this);
            for ($i = 0; $i < $size; $i++) {
                $this[$i] = $newValues;
            }
            return $this;
        }

        [$dataSize, $thisSize] = [\count($newValues), \count($this)];
        if ($dataSize !== $thisSize) {
            throw new SizeError("Length of values array not equal to view length ({$dataSize} != {$thisSize}).");
        }

        $size = \count($this);

        for ($i = 0; $i < $size; $i++) {
            $this[$i] = $newValues[$i];
        }

        return $this;
    }

    /**
     * Return iterator to iterate the view elements.
     *
     * ##### Example
     * ```php
     * $source = [1, 2, 3, 4, 5];
     * $subview = ArrayView::toView($source)->subview('::2'); // [1, 3, 5]
     *
     * foreach ($subview as $item) {
     *     // 1, 3, 5
     * }
     *
     * print_r([...$subview]); // [1, 3, 5]
     * ```
     *
     * @return \Generator<int, T>
     */
    public function getIterator(): \Generator
    {
        $size = \count($this);
        for ($i = 0; $i < $size; $i++) {
            /** @var T $item */
            $item = $this[$i];
            yield $item;
        }
    }

    /**
     * Return true if view is readonly, otherwise false.
     *
     * ##### Example
     * ```php
     * $source = [1, 2, 3, 4, 5];
     *
     * $readonlyView = ArrayView::toView($source, true);
     * $readonlyView->isReadonly(); // true
     *
     * $readonlySubview = ArrayView::toView($source)->subview('::2', true);
     * $readonlySubview->isReadonly(); // true
     *
     * $view = ArrayView::toView($source);
     * $view->isReadonly(); // false
     *
     * $subview = ArrayView::toView($source)->subview('::2');
     * $subview->isReadonly(); // false
     * ```
     *
     * @return bool
     */
    public function isReadonly(): bool
    {
        return $this->readonly;
    }

    /**
     * Return size of the view.
     *
     * ##### Example
     * ```php
     * $source = [1, 2, 3, 4, 5];
     *
     * $subview = ArrayView::toView($source)->subview('::2'); // [1, 3, 5]
     * count($subview); // 3
     * ```
     *
     * @return int
     */
    public function count(): int
    {
        return $this->getParentSize();
    }

    /**
     * Get the size of the parent view or source array.
     *
     * @return int The size of the parent view or source array.
     */
    protected function getParentSize(): int
    {
        return ($this->parentView !== null)
            ? \count($this->parentView)
            : \count($this->source);
    }

    /**
     * Convert the given index to a valid index within the source array.
     *
     * @param int $i The index to convert.
     *
     * @return int The converted index within the source array.
     *
     * @throws IndexError if the index is out of range and $throwError is true.
     */
    protected function convertIndex(int $i): int
    {
        return Util::normalizeIndex($i, \count($this->source));
    }

    /**
     * Check if a numeric offset exists in the source array.
     *
     * @param numeric $offset The numeric offset to check.
filter:
    dependency_paths: ["lib/*"]
     *
     * @return bool Returns true if the numeric offset exists in the source, false otherwise.
     */
    private function numericOffsetExists($offset): bool

    {
        // Non-string must be integer
        if (!\is_string($offset) && !\is_int($offset)) {

            return false;
        }

        // Numeric string must be integer
        if (!\is_integer($offset + 0)) {
            return false;
        }

        try {
            $index = $this->convertIndex(intval($offset));
        } catch (IndexError $e) {
            return false;
        }

        return \is_array($this->source)
            ? \array_key_exists($index, $this->source)
            : $this->source->offsetExists($index);
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Smoren\ArrayView\Views;
6
7			use Smoren\ArrayView\Exceptions\IndexError;
8			use Smoren\ArrayView\Exceptions\KeyError;
9			use Smoren\ArrayView\Exceptions\SizeError;
10			use Smoren\ArrayView\Exceptions\ReadonlyError;
11			use Smoren\ArrayView\Exceptions\ValueError;
12			use Smoren\ArrayView\Interfaces\ArraySelectorInterface;
13			use Smoren\ArrayView\Interfaces\ArrayViewInterface;
14			use Smoren\ArrayView\Traits\ArrayViewAccessTrait;
15			use Smoren\ArrayView\Traits\ArrayViewOperationsTrait;
16			use Smoren\ArrayView\Util;
17
18			/**
19			* Class representing a view of an array or another array view
20			* with additional methods for filtering, mapping, and transforming the data.
21			*
22			* ```php
23			* $source = [1, 2, 3, 4, 5];
24			* $view = ArrayView::toView($source);
25			* ```
26			*
27			* @template T Type of array source elements.
28			*
29			* @implements ArrayViewInterface<T>
30			*/
31			class ArrayView implements ArrayViewInterface
32			{
33			/**
34			* @use ArrayViewAccessTrait<T, string\|array<int\|bool>\|ArrayViewInterface<int\|bool>\|ArraySelectorInterface>
35			*
36			* for array access methods.
37			*/
38			use ArrayViewAccessTrait;
39			/**
40			* @use ArrayViewOperationsTrait<T, string\|array<int\|bool>\|ArrayViewInterface<int\|bool>\|ArraySelectorInterface>
41			*
42			* for utils methods.
43			*/
44			use ArrayViewOperationsTrait;
45
46			/**
47			* @var array<T>\|ArrayViewInterface<T> The source array or view.
48			*/
49			protected $source;
50			/**
51			* @var bool Flag indicating if the view is readonly.
52			*/
53			protected bool $readonly;
54			/**
55			* @var ArrayViewInterface<T>\|null The parent view of the current view.
56			*/
57			protected ?ArrayViewInterface $parentView;
58
59			/**
60			* Creates an ArrayView instance from the given source array or ArrayView.
61			*
62			* * If the source is not an ArrayView, a new ArrayView is created with the provided source.
63			* * If the source is an ArrayView and the `readonly` parameter is specified as `true`,
64			* a new readonly ArrayView is created.
65			* * If the source is an ArrayView and it is already readonly, the same ArrayView is returned.
66			*
67			* ##### Example
68			* ```php
69			* $source = [1, 2, 3, 4, 5];
70			* $view = ArrayView::toView($source);
71			*
72			* $view[0]; // 1
73			* $view['1::2']; // [2, 4]
74			* $view['1::2'] = [22, 44];
75			*
76			* $view->toArray(); // [1, 22, 3, 44, 5]
77			* $source; // [1, 22, 3, 44, 5]
78			* ```
79			*
80			* ##### Readonly example
81			* ```php
82			* $source = [1, 2, 3, 4, 5];
83			* $view = ArrayView::toView($source, true);
84			*
85			* $view['1::2']; // [2, 4]
86			* $view['1::2'] = [22, 44]; // throws ReadonlyError
87			* $view[0] = 11; // throws ReadonlyError
88			* ```
89			*
90			* @param array<T>\|ArrayViewInterface<T> $source The source array or ArrayView to create a view from.
91			* @param bool\|null $readonly Optional flag to indicate whether the view should be readonly.
92			*
93			* @return ArrayViewInterface<T> An ArrayView instance based on the source array or ArrayView.
94			*
95			* @throws ValueError if the array is not sequential.
96			* @throws ReadonlyError if the source is readonly and trying to create a non-readonly view.
97			*/
98			public static function toView(&$source, ?bool $readonly = null): ArrayViewInterface
99			{
100			if (!($source instanceof ArrayViewInterface)) {
101			return new ArrayView($source, $readonly);
102			}
103
104			if (!$source->isReadonly() && $readonly) {
105			return new ArrayView($source, $readonly);
106			}
107
108			return $source;
109			}
110
111			/**
112			* {@inheritDoc}
113			*
114			* ##### Example:
115			* ```php
116			* $source = [1, 2, 3, 4, 5];
117			* $view = ArrayView::toUnlinkedView($source);
118			*
119			* $view[0]; // 1
120			* $view['1::2']; // [2, 4]
121			* $view['1::2'] = [22, 44];
122			*
123			* $view->toArray(); // [1, 22, 3, 44, 5]
124			* $source; // [1, 2, 3, 4, 5]
125			* ```
126			*
127			* ##### Readonly example:
128			* ```php
129			* $source = [1, 2, 3, 4, 5];
130			* $view = ArrayView::toUnlinkedView($source, true);
131			*
132			* $view['1::2']; // [2, 4]
133			* $view['1::2'] = [22, 44]; // throws ReadonlyError
134			* $view[0] = 11; // throws ReadonlyError
135			* ```
136			*/
137			public static function toUnlinkedView($source, ?bool $readonly = null): ArrayViewInterface
138			{
139			return static::toView($source, $readonly);
140			}
141
142			/**
143			* Constructor to create a new ArrayView.
144			*
145			* * If the source is not an ArrayView, a new ArrayView is created with the provided source.
146			* * If the source is an ArrayView and the `readonly` parameter is specified as `true`,
147			* a new readonly ArrayView is created.
148			* * If the source is an ArrayView and it is already readonly, the same ArrayView is returned.
149			*
150			* @param array<T>\|ArrayViewInterface<T> $source The source array or view.
151			* @param bool\|null $readonly Flag indicating if the view is readonly.
152			*
153			* @throws ValueError if the array is not sequential.
154			* @throws ReadonlyError if the source is readonly and trying to create a non-readonly view.
155			*
156			* @see ArrayView::toView() for creating views.
157			*/
158			public function __construct(&$source, ?bool $readonly = null)
159			{
160			$this->checkSequentialArgument($source);
161
162			$this->source = &$source;
163			$this->readonly = $readonly ?? (($source instanceof ArrayViewInterface) ? $source->isReadonly() : false);
164			$this->parentView = ($source instanceof ArrayViewInterface) ? $source : null;
165
166			if (($source instanceof ArrayViewInterface) && $source->isReadonly() && !$this->isReadonly()) {
167			throw new ReadonlyError("Cannot create non-readonly view for readonly source.");
168			}
169			}
170
171			/**
172			* Returns the array representation of the view.
173			*
174			* ##### Example
175			* ```php
176			* $source = [1, 2, 3, 4, 5];
177			* $view = ArrayView::toView($source);
178			* $view->toArray(); // [1, 2, 3, 4, 5]
179			* ```
180			*
181			* @return array<T> The array representation of the view.
182			*/
183			public function toArray(): array
184			{
185			return [...$this];
			0 ignored issues – show Bug Best Practice introduced 2024-03-13 15:53 UTC by Report Bug Copy Issue Report The expression `return array($this)` returns the type `array<integer,Smoren\ArrayView\Views\ArrayView>` which is incompatible with the documented return type `Smoren\ArrayView\Views\T[]`. Loading history...
186			}
187
188			/**
189			* Returns a subview of this view based on a selector or string slice.
190			*
191			* ##### Example (using selector objects)
192			* ```php
193			* $source = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
194			*
195			* $subview = ArrayView::toView($source)
196			* ->subview(new SliceSelector('::2')) // [1, 3, 5, 7, 9]
197			* ->subview(new MaskSelector([true, false, true, true, true])) // [1, 5, 7, 9]
198			* ->subview(new IndexListSelector([0, 1, 2])) // [1, 5, 7]
199			* ->subview(new SliceSelector('1:')); // [5, 7]
200			*
201			* $subview[':'] = [55, 77];
202			* print_r($source); // [1, 2, 3, 4, 55, 6, 77, 8, 9, 10]
203			* ```
204			*
205			* ##### Example (using short objects)
206			* ```php
207			* $source = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
208			*
209			* $subview = ArrayView::toView($source)
210			* ->subview('::2') // [1, 3, 5, 7, 9]
211			* ->subview([true, false, true, true, true]) // [1, 5, 7, 9]
212			* ->subview([0, 1, 2]) // [1, 5, 7]
213			* ->subview('1:'); // [5, 7]
214			*
215			* $subview[':'] = [55, 77];
216			* print_r($source); // [1, 2, 3, 4, 55, 6, 77, 8, 9, 10]
217			* ```
218			*
219			* ##### Readonly example
220			* ```php
221			* $source = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
222			* $subview = ArrayView::toView($source)->subview('::2');
223			*
224			* $subview[':']; // [1, 3, 5, 7, 9]
225			* $subview[':'] = [11, 33, 55, 77, 99]; // throws ReadonlyError
226			* $subview[0] = [11]; // throws ReadonlyError
227			* ```
228			*
229			* @template S of string\|array<int\|bool>\|ArrayViewInterface<int\|bool>\|ArraySelectorInterface Selector type.
230			*
231			* @param S $selector The selector or string to filter the subview.
			0 ignored issues – show Bug introduced 2024-03-15 16:38 UTC by Report Bug Copy Issue Report The type `Smoren\ArrayView\Views\S` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
232			* @param bool\|null $readonly Flag indicating if the subview should be read-only.
233			*
234			* @return ArrayViewInterface<T> A new view representing the subview of this view.
235			*
236			* @throws IndexError if the selector is IndexListSelector and some indexes are out of range.
237			* @throws SizeError if the selector is MaskSelector and size of the mask not equals to size of the view.
238			* @throws KeyError if the selector is not valid (e.g. non-sequential array).
239			*/
240			public function subview($selector, bool $readonly = null): ArrayViewInterface
241			{
242			return $this->toSelector($selector)->select($this, $readonly);
243			}
244
245			/**
246			* Sets new values for the elements in the view.
247			*
248			* ##### Example
249			* ```php
250			* $source = [1, 2, 3, 4, 5];
251			* $subview = ArrayView::toView($source)->subview('::2'); // [1, 3, 5]
252			*
253			* $subview->set([11, 33, 55]);
254			* $subview->toArray(); // [11, 33, 55]
255			*
256			* $source; // [11, 2, 33, 4, 55]
257			* ```
258			*
259			* @param array<T>\|ArrayViewInterface<T>\|T $newValues The new values to set.
260			*
261			* @return ArrayView<T> this view.
262			*
263			* @throws ValueError if the $newValues is not sequential array.
264			* @throws SizeError if size of $newValues not equals to size of the view.
265			*/
266			public function set($newValues): self
267			{
268			$this->checkSequentialArgument($newValues);
269
270			if (!\is_array($newValues) && !($newValues instanceof ArrayViewInterface)) {
			0 ignored issues – show introduced 2024-03-13 15:53 UTC by Report Bug Copy Issue Report `$newValues` is always a sub-type of `Smoren\ArrayView\Interfaces\ArrayViewInterface`. Loading history...
271			$size = \count($this);
272			for ($i = 0; $i < $size; $i++) {
273			$this[$i] = $newValues;
274			}
275			return $this;
276			}
277
278			[$dataSize, $thisSize] = [\count($newValues), \count($this)];
279			if ($dataSize !== $thisSize) {
280			throw new SizeError("Length of values array not equal to view length ({$dataSize} != {$thisSize}).");
281			}
282
283			$size = \count($this);
284
285			for ($i = 0; $i < $size; $i++) {
286			$this[$i] = $newValues[$i];
287			}
288
289			return $this;
290			}
291
292			/**
293			* Return iterator to iterate the view elements.
294			*
295			* ##### Example
296			* ```php
297			* $source = [1, 2, 3, 4, 5];
298			* $subview = ArrayView::toView($source)->subview('::2'); // [1, 3, 5]
299			*
300			* foreach ($subview as $item) {
301			* // 1, 3, 5
302			* }
303			*
304			* print_r([...$subview]); // [1, 3, 5]
305			* ```
306			*
307			* @return \Generator<int, T>
308			*/
309			public function getIterator(): \Generator
310			{
311			$size = \count($this);
312			for ($i = 0; $i < $size; $i++) {
313			/** @var T $item */
314			$item = $this[$i];
315			yield $item;
316			}
317			}
318
319			/**
320			* Return true if view is readonly, otherwise false.
321			*
322			* ##### Example
323			* ```php
324			* $source = [1, 2, 3, 4, 5];
325			*
326			* $readonlyView = ArrayView::toView($source, true);
327			* $readonlyView->isReadonly(); // true
328			*
329			* $readonlySubview = ArrayView::toView($source)->subview('::2', true);
330			* $readonlySubview->isReadonly(); // true
331			*
332			* $view = ArrayView::toView($source);
333			* $view->isReadonly(); // false
334			*
335			* $subview = ArrayView::toView($source)->subview('::2');
336			* $subview->isReadonly(); // false
337			* ```
338			*
339			* @return bool
340			*/
341			public function isReadonly(): bool
342			{
343			return $this->readonly;
344			}
345
346			/**
347			* Return size of the view.
348			*
349			* ##### Example
350			* ```php
351			* $source = [1, 2, 3, 4, 5];
352			*
353			* $subview = ArrayView::toView($source)->subview('::2'); // [1, 3, 5]
354			* count($subview); // 3
355			* ```
356			*
357			* @return int
358			*/
359			public function count(): int
360			{
361			return $this->getParentSize();
362			}
363
364			/**
365			* Get the size of the parent view or source array.
366			*
367			* @return int The size of the parent view or source array.
368			*/
369			protected function getParentSize(): int
370			{
371			return ($this->parentView !== null)
372			? \count($this->parentView)
373			: \count($this->source);
374			}
375
376			/**
377			* Convert the given index to a valid index within the source array.
378			*
379			* @param int $i The index to convert.
380			*
381			* @return int The converted index within the source array.
382			*
383			* @throws IndexError if the index is out of range and $throwError is true.
384			*/
385			protected function convertIndex(int $i): int
386			{
387			return Util::normalizeIndex($i, \count($this->source));
388			}
389
390			/**
391			* Check if a numeric offset exists in the source array.
392			*
393			* @param numeric $offset The numeric offset to check.
			0 ignored issues – show Bug introduced 2024-03-10 00:19 UTC by Report Bug Copy Issue Report The type `Smoren\ArrayView\Views\numeric` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
394			*
395			* @return bool Returns true if the numeric offset exists in the source, false otherwise.
396			*/
397			private function numericOffsetExists($offset): bool
			0 ignored issues – show Unused Code introduced 2024-03-11 06:04 UTC by Report Bug Copy Issue Report The method `numericOffsetExists()` is not used, and could be removed. This check looks for private methods that have been defined, but are not used inside the class. Loading history...
398			{
399			// Non-string must be integer
400			if (!\is_string($offset) && !\is_int($offset)) {
			0 ignored issues – show introduced 2024-03-11 05:11 UTC by Report Bug Copy Issue Report The condition `is_string($offset)` is always `false`. Loading history... introduced 2024-03-14 05:19 UTC by Report Bug Copy Issue Report The condition `is_int($offset)` is always `false`. Loading history...
401			return false;
402			}
403
404			// Numeric string must be integer
405			if (!\is_integer($offset + 0)) {
406			return false;
407			}
408
409			try {
410			$index = $this->convertIndex(intval($offset));
411			} catch (IndexError $e) {
412			return false;
413			}
414
415			return \is_array($this->source)
416			? \array_key_exists($index, $this->source)
417			: $this->source->offsetExists($index);
418			}
419			}
420

Smoren / array-view-php

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ArrayView::count() A

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