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defender-security / vendor / ramsey / collection / src / CollectionInterface.php

CollectionInterface.php in Defender Security – Malware Scanner, Login Security & Firewall 5.4.0, at vendor/ramsey/collection/src/CollectionInterface.php

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1 <?php
2
3 /**
4 * This file is part of the ramsey/collection library
5 *
6 * For the full copyright and license information, please view the LICENSE
7 * file that was distributed with this source code.
8 *
9 * @copyright Copyright (c) Ben Ramsey <[email protected]>
10 * @license http://opensource.org/licenses/MIT MIT
11 */
12
13 declare(strict_types=1);
14
15 namespace Ramsey\Collection;
16
17 /**
18 * A collection represents a group of objects, known as its elements.
19 *
20 * Some collections allow duplicate elements and others do not. Some are ordered
21 * and others unordered.
22 *
23 * @template T
24 * @extends ArrayInterface<T>
25 */
26 interface CollectionInterface extends ArrayInterface
27 {
28 /**
29 * Ascending sort type.
30 */
31 public const SORT_ASC = 'asc';
32
33 /**
34 * Descending sort type.
35 */
36 public const SORT_DESC = 'desc';
37
38 /**
39 * Ensures that this collection contains the specified element (optional
40 * operation).
41 *
42 * Returns `true` if this collection changed as a result of the call.
43 * (Returns `false` if this collection does not permit duplicates and
44 * already contains the specified element.)
45 *
46 * Collections that support this operation may place limitations on what
47 * elements may be added to this collection. In particular, some
48 * collections will refuse to add `null` elements, and others will impose
49 * restrictions on the type of elements that may be added. Collection
50 * classes should clearly specify in their documentation any restrictions
51 * on what elements may be added.
52 *
53 * If a collection refuses to add a particular element for any reason other
54 * than that it already contains the element, it must throw an exception
55 * (rather than returning `false`). This preserves the invariant that a
56 * collection always contains the specified element after this call returns.
57 *
58 * @param T $element The element to add to the collection.
59 *
60 * @return bool `true` if this collection changed as a result of the call.
61 */
62 // phpcs:ignore SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
63 public function add($element): bool;
64
65 /**
66 * Returns `true` if this collection contains the specified element.
67 *
68 * @param T $element The element to check whether the collection contains.
69 * @param bool $strict Whether to perform a strict type check on the value.
70 */
71 // phpcs:ignore SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
72 public function contains($element, bool $strict = true): bool;
73
74 /**
75 * Returns the type associated with this collection.
76 */
77 public function getType(): string;
78
79 /**
80 * Removes a single instance of the specified element from this collection,
81 * if it is present.
82 *
83 * @param T $element The element to remove from the collection.
84 *
85 * @return bool `true` if an element was removed as a result of this call.
86 */
87 // phpcs:ignore SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
88 public function remove($element): bool;
89
90 /**
91 * Returns the values from the given property or method.
92 *
93 * @param string $propertyOrMethod The property or method name to filter by.
94 *
95 * @return list<mixed>
96 */
97 public function column(string $propertyOrMethod): array;
98
99 /**
100 * Returns the first item of the collection.
101 *
102 * @return T
103 */
104 public function first();
105
106 /**
107 * Returns the last item of the collection.
108 *
109 * @return T
110 */
111 public function last();
112
113 /**
114 * Sort the collection by a property or method with the given sort order.
115 *
116 * This will always leave the original collection untouched and will return
117 * a new one.
118 *
119 * @param string $propertyOrMethod The property or method to sort by.
120 * @param string $order The sort order for the resulting collection (one of
121 * this interface's `SORT_*` constants).
122 *
123 * @return CollectionInterface<T>
124 */
125 public function sort(string $propertyOrMethod, string $order = self::SORT_ASC): self;
126
127 /**
128 * Filter out items of the collection which don't match the criteria of
129 * given callback.
130 *
131 * This will always leave the original collection untouched and will return
132 * a new one.
133 *
134 * See the {@link http://php.net/manual/en/function.array-filter.php PHP array_filter() documentation}
135 * for examples of how the `$callback` parameter works.
136 *
137 * @param callable(T):bool $callback A callable to use for filtering elements.
138 *
139 * @return CollectionInterface<T>
140 */
141 public function filter(callable $callback): self;
142
143 /**
144 * Create a new collection where items match the criteria of given callback.
145 *
146 * This will always leave the original collection untouched and will return
147 * a new one.
148 *
149 * @param string $propertyOrMethod The property or method to evaluate.
150 * @param mixed $value The value to match.
151 *
152 * @return CollectionInterface<T>
153 */
154 // phpcs:ignore SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
155 public function where(string $propertyOrMethod, $value): self;
156
157 /**
158 * Apply a given callback method on each item of the collection.
159 *
160 * This will always leave the original collection untouched. The new
161 * collection is created by mapping the callback to each item of the
162 * original collection.
163 *
164 * See the {@link http://php.net/manual/en/function.array-map.php PHP array_map() documentation}
165 * for examples of how the `$callback` parameter works.
166 *
167 * @param callable(T):TCallbackReturn $callback A callable to apply to each
168 * item of the collection.
169 *
170 * @return CollectionInterface<TCallbackReturn>
171 *
172 * @template TCallbackReturn
173 */
174 public function map(callable $callback): self;
175
176 /**
177 * Create a new collection with divergent items between current and given
178 * collection.
179 *
180 * @param CollectionInterface<T> $other The collection to check for divergent
181 * items.
182 *
183 * @return CollectionInterface<T>
184 */
185 public function diff(CollectionInterface $other): self;
186
187 /**
188 * Create a new collection with intersecting item between current and given
189 * collection.
190 *
191 * @param CollectionInterface<T> $other The collection to check for
192 * intersecting items.
193 *
194 * @return CollectionInterface<T>
195 */
196 public function intersect(CollectionInterface $other): self;
197
198 /**
199 * Merge current items and items of given collections into a new one.
200 *
201 * @param CollectionInterface<T> ...$collections The collections to merge.
202 *
203 * @return CollectionInterface<T>
204 */
205 public function merge(CollectionInterface ...$collections): self;
206 }
207