Diff::__construct() - Code Metrics - Inspection of "Merge pull request #74 from wmde/php70" - wmde/Diff - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 1c5793...a5a83d )

by Jeroen De

created 2017-04-15 23:52 UTC

Diff::__construct() B

↳ Parent: Diff

Complexity

Conditions	5
Paths	4

Size

Total Lines	17
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	5

Importance

Changes

Metric	Value
dl	0
loc	17
c	0
b	0
f	0
ccs	10
cts	10
cp	1
rs	8.8571
cc	5
eloc	9
nc	4
nop	2
crap	5

<?php

declare( strict_types = 1 );

namespace Diff\DiffOp\Diff;

use ArrayObject;
use Diff\DiffOp\DiffOp;
use Diff\DiffOp\DiffOpAdd;
use Diff\DiffOp\DiffOpChange;
use Diff\DiffOp\DiffOpRemove;
use InvalidArgumentException;

/**
 * Base class for diffs. Diffs are collections of DiffOp objects,
 * and are themselves DiffOp objects as well.
 *
 * @since 0.1
 *
 * @license GPL-2.0+
 * @author Jeroen De Dauw < [email protected] >
 * @author Daniel Kinzler
 * @author Thiemo Mättig
 */
class Diff extends ArrayObject implements DiffOp {

	/**
	 * @var bool|null
	 */
	private $isAssociative = null;

	/**
	 * Pointers to the operations of certain types for quick lookup.
	 *
	 * @var array[]
	 */
	private $typePointers = array(
		'add' => array(),
		'remove' => array(),
		'change' => array(),
		'list' => array(),
		'map' => array(),
		'diff' => array(),
	);

	/**
	 * @var int
	 */
	private $indexOffset = 0;

	/**
	 * @since 0.1
	 *
	 * @param DiffOp[] $operations
	 * @param bool|null $isAssociative
	 *
	 * @throws InvalidArgumentException
	 */
	public function __construct( array $operations = array(), $isAssociative = null ) {
		if ( $isAssociative !== null && !is_bool( $isAssociative ) ) {
			throw new InvalidArgumentException( '$isAssociative should be a boolean or null' );
		}

		parent::__construct( array() );

		foreach ( $operations as $offset => $operation ) {
			if ( !( $operation instanceof DiffOp ) ) {
				throw new InvalidArgumentException( 'All elements fed to the Diff constructor should be of type DiffOp' );
			}

			$this->offsetSet( $offset, $operation );
		}

		$this->isAssociative = $isAssociative;
	}

	/**
	 * @since 0.1
	 *
	 * @return DiffOp[]
	 */
	public function getOperations(): array {
		return $this->getArrayCopy();
	}

	/**
	 * @since 0.1
	 *
	 * @param string $type
	 *
	 * @return DiffOp[]
	 */
	public function getTypeOperations( string $type ): array {
		return array_intersect_key(
			$this->getArrayCopy(),
			array_flip( $this->typePointers[$type] )
		);
	}

	/**
	 * @since 0.1
	 *
	 * @param DiffOp[] $operations
	 */
	public function addOperations( array $operations ) {
		foreach ( $operations as $operation ) {
			$this->append( $operation );
		}
	}

	/**
	 * Gets called before a new element is added to the ArrayObject.
	 *
	 * At this point the index is always set (ie not null) and the
	 * value is always of the type returned by @see getObjectType.
	 *
	 * Should return a boolean. When false is returned the element
	 * does not get added to the ArrayObject.
	 *
	 * @param int|string $index
	 * @param DiffOp $value
	 *
	 * @return bool
	 * @throws InvalidArgumentException
	 */
	private function preSetElement( $index, DiffOp $value ): bool {
		if ( $this->isAssociative === false && ( $value->getType() !== 'add' && $value->getType() !== 'remove' ) ) {
			throw new InvalidArgumentException( 'Diff operation with invalid type "' . $value->getType() . '" provided.' );
		}

		if ( array_key_exists( $value->getType(), $this->typePointers ) ) {
			$this->typePointers[$value->getType()][] = $index;
		}
		else {
			throw new InvalidArgumentException( 'Diff operation with invalid type "' . $value->getType() . '" provided.' );
		}

		return true;
	}

	/**
	 * @see Serializable::unserialize
	 *
	 * @since 0.1
	 *
	 * @param string $serialization
	 */
	public function unserialize( $serialization ) {
		$serializationData = unserialize( $serialization );

		foreach ( $serializationData['data'] as $offset => $value ) {
			// Just set the element, bypassing checks and offset resolving,
			// as these elements have already gone through this.
			parent::offsetSet( $offset, $value );
class Daddy
{
    protected function getFirstName()
    {
        return "Eidur";
    }

    protected function getSurName()
    {
        return "Gudjohnsen";
    }
}

class Son
{
    public function getFirstName()
    {
        return parent::getSurname();
    }
}
		}

		$this->indexOffset = $serializationData['index'];

		$this->typePointers = $serializationData['typePointers'];

		if ( array_key_exists( 'assoc', $serializationData ) ) {
			$this->isAssociative = $serializationData['assoc'] === 'n' ? null : $serializationData['assoc'] === 't';
		}
	}

	/**
	 * @since 0.1
	 *
	 * @return DiffOpAdd[]
	 */
	public function getAdditions(): array {
		return $this->getTypeOperations( 'add' );
	}

	/**
	 * @since 0.1
	 *
	 * @return DiffOpRemove[]
	 */
	public function getRemovals(): array {
		return $this->getTypeOperations( 'remove' );
	}

	/**
	 * @since 0.1
	 *
	 * @return DiffOpChange[]
	 */
	public function getChanges(): array {
		return $this->getTypeOperations( 'change' );
	}

	/**
	 * Returns the added values.
	 *
	 * @since 0.1
	 *
	 * @return array of mixed
	 */
	public function getAddedValues(): array {
		return array_map(
			function( DiffOpAdd $addition ) {
				return $addition->getNewValue();
			},
			$this->getTypeOperations( 'add' )
		);
	}

	/**
	 * Returns the removed values.
	 *
	 * @since 0.1
	 *
	 * @return array of mixed
	 */
	public function getRemovedValues(): array {
		return array_map(
			function( DiffOpRemove $addition ) {
				return $addition->getOldValue();
			},
			$this->getTypeOperations( 'remove' )
		);
	}

	/**
	 * @see DiffOp::isAtomic
	 *
	 * @since 0.1
	 *
	 * @return bool
	 */
	public function isAtomic(): bool {
		return false;
	}

	/**
	 * @see DiffOp::getType
	 *
	 * @since 0.1
	 *
	 * @return string
	 */
	public function getType(): string {
		return 'diff';
	}

	/**
	 * Counts the number of atomic operations in the diff.
	 * This means the size of a diff with as elements only empty diffs will be 0.
	 * Or that the size of a diff with one atomic operation and one diff that itself
	 * holds two atomic operations will be 3.
	 *
	 * @see Countable::count
	 *
	 * @since 0.1
	 *
	 * @return int
	 */
	public function count(): int {
		$count = 0;

		/**
		 * @var DiffOp $diffOp
		 */
		foreach ( $this as $diffOp ) {
			$count += $diffOp->count();
		}

		return $count;
	}

	/**
	 * @since 0.3
	 */
	public function removeEmptyOperations() {
		foreach ( $this->getArrayCopy() as $key => $operation ) {
			if ( $operation instanceof self && $operation->isEmpty() ) {
				unset( $this[$key] );
			}
		}
	}

	/**
	 * Returns the value of the isAssociative flag.
	 *
	 * @since 0.4
	 *
	 * @return bool|null
	 */
	public function isAssociative() {
		return $this->isAssociative;
	}

	/**
	 * Returns if the diff looks associative or not.
	 * This first checks the isAssociative flag and in case its null checks
	 * if there are any non-add-non-remove operations.
	 *
	 * @since 0.4
	 *
	 * @return bool
	 */
	public function looksAssociative(): bool {
		return $this->isAssociative === null ? $this->hasAssociativeOperations() : $this->isAssociative;
	}

	/**
	 * Returns if the diff can be non-associative.
	 * This means it does not contain any non-add-non-remove operations.
	 *
	 * @since 0.4
	 *
	 * @return bool
	 */
	public function hasAssociativeOperations(): bool {
		return !empty( $this->typePointers['change'] )
			|| !empty( $this->typePointers['diff'] )
			|| !empty( $this->typePointers['map'] )
			|| !empty( $this->typePointers['list'] );
	}

	/**
	 * Returns the Diff in array form where nested DiffOps are also turned into their array form.
	 *
	 * @see  DiffOp::toArray
	 *
	 * @since 0.5
	 *
	 * @param callable|null $valueConverter optional callback used to convert any
	 *        complex values to arrays.
	 *
	 * @return array
	 */
	public function toArray( callable $valueConverter = null ): array {
		$operations = array();

		foreach ( $this->getOperations() as $key => $diffOp ) {
			$operations[$key] = $diffOp->toArray( $valueConverter );
		}

		return array(
			'type' => $this->getType(),
			'isassoc' => $this->isAssociative,
			'operations' => $operations
		);
	}

	/**
	 * @since 2.0
	 *
	 * @param mixed $target
	 *
	 * @return bool
	 */
	public function equals( $target ) {
		if ( $target === $this ) {
			return true;
		}

		if ( !( $target instanceof self ) ) {
			return false;
		}

		return $this->isAssociative === $target->isAssociative
			&& $this->getArrayCopy() == $target->getArrayCopy();
	}

	/**
	 * Finds a new offset for when appending an element.
	 * The base class does this, so it would be better to integrate,
	 * but there does not appear to be any way to do this...
	 *
	 * @return int
	 */
	private function getNewOffset(): int {
		while ( $this->offsetExists( $this->indexOffset ) ) {
			$this->indexOffset++;
		}

		return $this->indexOffset;
	}

	/**
	 * @see ArrayObject::append
	 *
	 * @since 0.1
	 *
	 * @param mixed $value
	 */
	public function append( $value ) {
		$this->setElement( null, $value );
	}

	/**
	 * @see ArrayObject::offsetSet()
	 *
	 * @since 0.1
	 *
	 * @param int|string $index
	 * @param mixed $value
	 */
	public function offsetSet( $index, $value ) {
		$this->setElement( $index, $value );
	}

	/**
	 * Method that actually sets the element and holds
	 * all common code needed for set operations, including
	 * type checking and offset resolving.
	 *
	 * If you want to do additional indexing or have code that
	 * otherwise needs to be executed whenever an element is added,
	 * you can overload @see preSetElement.
	 *
	 * @param int|string|null $index
	 * @param mixed $value
	 *
	 * @throws InvalidArgumentException
	 */
	private function setElement( $index, $value ) {
		if ( !( $value instanceof DiffOp ) ) {
			throw new InvalidArgumentException(
				'Can only add DiffOp implementing objects to ' . get_called_class() . '.'
			);
		}

		if ( $index === null ) {
			$index = $this->getNewOffset();
		}

		if ( $this->preSetElement( $index, $value ) ) {
			parent::offsetSet( $index, $value );
class Daddy
{
    protected function getFirstName()
    {
        return "Eidur";
    }

    protected function getSurName()
    {
        return "Gudjohnsen";
    }
}

class Son
{
    public function getFirstName()
    {
        return parent::getSurname();
    }
}
		}
	}

	/**
	 * @see Serializable::serialize
	 *
	 * @since 0.1
	 *
	 * @return string
	 */
	public function serialize() {
		$assoc = $this->isAssociative === null ? 'n' : ( $this->isAssociative ? 't' : 'f' );

		$data = array(
			'data' => $this->getArrayCopy(),
			'index' => $this->indexOffset,
			'typePointers' => $this->typePointers,
			'assoc' => $assoc
		);

		return serialize( $data );
	}

	/**
	 * Returns if the ArrayObject has no elements.
	 *
	 * @since 0.1
	 *
	 * @return bool
	 */
	public function isEmpty(): bool {
		return $this->count() === 0;
	}

}


1		<?php
2
3		declare( strict_types = 1 );
4
5		namespace Diff\DiffOp\Diff;
6
7		use ArrayObject;
8		use Diff\DiffOp\DiffOp;
9		use Diff\DiffOp\DiffOpAdd;
10		use Diff\DiffOp\DiffOpChange;
11		use Diff\DiffOp\DiffOpRemove;
12		use InvalidArgumentException;
13
14		/**
15		* Base class for diffs. Diffs are collections of DiffOp objects,
16		* and are themselves DiffOp objects as well.
17		*
18		* @since 0.1
19		*
20		* @license GPL-2.0+
21		* @author Jeroen De Dauw < [email protected] >
22		* @author Daniel Kinzler
23		* @author Thiemo Mättig
24		*/
25		class Diff extends ArrayObject implements DiffOp {
26
27		/**
28		* @var bool\|null
29		*/
30		private $isAssociative = null;
31
32		/**
33		* Pointers to the operations of certain types for quick lookup.
34		*
35		* @var array[]
36		*/
37		private $typePointers = array(
38		'add' => array(),
39		'remove' => array(),
40		'change' => array(),
41		'list' => array(),
42		'map' => array(),
43		'diff' => array(),
44		);
45
46		/**
47		* @var int
48		*/
49		private $indexOffset = 0;
50
51		/**
52		* @since 0.1
53		*
54		* @param DiffOp[] $operations
55		* @param bool\|null $isAssociative
56		*
57		* @throws InvalidArgumentException
58		*/
59	105	public function __construct( array $operations = array(), $isAssociative = null ) {
60	105	if ( $isAssociative !== null && !is_bool( $isAssociative ) ) {
61	6	throw new InvalidArgumentException( '$isAssociative should be a boolean or null' );
62		}
63
64	99	parent::__construct( array() );
65
66	99	foreach ( $operations as $offset => $operation ) {
67	64	if ( !( $operation instanceof DiffOp ) ) {
68	4	throw new InvalidArgumentException( 'All elements fed to the Diff constructor should be of type DiffOp' );
69		}
70
71	61	$this->offsetSet( $offset, $operation );
72		}
73
74	95	$this->isAssociative = $isAssociative;
75	95	}
76
77		/**
78		* @since 0.1
79		*
80		* @return DiffOp[]
81		*/
82	122	public function getOperations(): array {
83	122	return $this->getArrayCopy();
84		}
85
86		/**
87		* @since 0.1
88		*
89		* @param string $type
90		*
91		* @return DiffOp[]
92		*/
93	21	public function getTypeOperations( string $type ): array {
94	21	return array_intersect_key(
95	21	$this->getArrayCopy(),
96	21	array_flip( $this->typePointers[$type] )
97		);
98		}
99
100		/**
101		* @since 0.1
102		*
103		* @param DiffOp[] $operations
104		*/
105	7	public function addOperations( array $operations ) {
106	7	foreach ( $operations as $operation ) {
107	5	$this->append( $operation );
108		}
109	7	}
110
111		/**
112		* Gets called before a new element is added to the ArrayObject.
113		*
114		* At this point the index is always set (ie not null) and the
115		* value is always of the type returned by @see getObjectType.
116		*
117		* Should return a boolean. When false is returned the element
118		* does not get added to the ArrayObject.
119		*
120		* @param int\|string $index
121		* @param DiffOp $value
122		*
123		* @return bool
124		* @throws InvalidArgumentException
125		*/
126	84	private function preSetElement( $index, DiffOp $value ): bool {
127	84	if ( $this->isAssociative === false && ( $value->getType() !== 'add' && $value->getType() !== 'remove' ) ) {
128	1	throw new InvalidArgumentException( 'Diff operation with invalid type "' . $value->getType() . '" provided.' );
129		}
130
131	83	if ( array_key_exists( $value->getType(), $this->typePointers ) ) {
132	76	$this->typePointers[$value->getType()][] = $index;
133		}
134		else {
135	7	throw new InvalidArgumentException( 'Diff operation with invalid type "' . $value->getType() . '" provided.' );
136		}
137
138	76	return true;
139		}
140
141		/**
142		* @see Serializable::unserialize
143		*
144		* @since 0.1
145		*
146		* @param string $serialization
147		*/
148	43	public function unserialize( $serialization ) {
149	43	$serializationData = unserialize( $serialization );
150
151	43	foreach ( $serializationData['data'] as $offset => $value ) {
152		// Just set the element, bypassing checks and offset resolving,
153		// as these elements have already gone through this.
154	37	parent::offsetSet( $offset, $value );
		0 ignored issues – show Comprehensibility Bug introduced 2015-12-28 16:16 UTC by Report Bug Copy Issue Report It seems like you call parent on a different method (`offsetSet()` instead of `unserialize()`). Are you sure this is correct? If so, you might want to change this to `$this->offsetSet()`. This check looks for a call to a parent method whose name is different than the method from which it is called. Consider the following code: class Daddy { protected function getFirstName() { return "Eidur"; } protected function getSurName() { return "Gudjohnsen"; } } class Son { public function getFirstName() { return parent::getSurname(); } } The `getFirstName()` method in the `Son` calls the wrong method in the parent class. Loading history...
155		}
156
157	43	$this->indexOffset = $serializationData['index'];
158
159	43	$this->typePointers = $serializationData['typePointers'];
160
161	43	if ( array_key_exists( 'assoc', $serializationData ) ) {
162	43	$this->isAssociative = $serializationData['assoc'] === 'n' ? null : $serializationData['assoc'] === 't';
163		}
164	43	}
165
166		/**
167		* @since 0.1
168		*
169		* @return DiffOpAdd[]
170		*/
171	7	public function getAdditions(): array {
172	7	return $this->getTypeOperations( 'add' );
173		}
174
175		/**
176		* @since 0.1
177		*
178		* @return DiffOpRemove[]
179		*/
180	7	public function getRemovals(): array {
181	7	return $this->getTypeOperations( 'remove' );
182		}
183
184		/**
185		* @since 0.1
186		*
187		* @return DiffOpChange[]
188		*/
189		public function getChanges(): array {
190		return $this->getTypeOperations( 'change' );
191		}
192
193		/**
194		* Returns the added values.
195		*
196		* @since 0.1
197		*
198		* @return array of mixed
199		*/
200	1	public function getAddedValues(): array {
201	1	return array_map(
202		function( DiffOpAdd $addition ) {
203	1	return $addition->getNewValue();
204	1	},
205	1	$this->getTypeOperations( 'add' )
206		);
207		}
208
209		/**
210		* Returns the removed values.
211		*
212		* @since 0.1
213		*
214		* @return array of mixed
215		*/
216	1	public function getRemovedValues(): array {
217	1	return array_map(
218	1	function( DiffOpRemove $addition ) {
219	1	return $addition->getOldValue();
220	1	},
221	1	$this->getTypeOperations( 'remove' )
222		);
223		}
224
225		/**
226		* @see DiffOp::isAtomic
227		*
228		* @since 0.1
229		*
230		* @return bool
231		*/
232	72	public function isAtomic(): bool {
233	72	return false;
234		}
235
236		/**
237		* @see DiffOp::getType
238		*
239		* @since 0.1
240		*
241		* @return string
242		*/
243	152	public function getType(): string {
244	152	return 'diff';
245		}
246
247		/**
248		* Counts the number of atomic operations in the diff.
249		* This means the size of a diff with as elements only empty diffs will be 0.
250		* Or that the size of a diff with one atomic operation and one diff that itself
251		* holds two atomic operations will be 3.
252		*
253		* @see Countable::count
254		*
255		* @since 0.1
256		*
257		* @return int
258		*/
259	84	public function count(): int {
260	84	$count = 0;
261
262		/**
263		* @var DiffOp $diffOp
264		*/
265	84	foreach ( $this as $diffOp ) {
266	68	$count += $diffOp->count();
267		}
268
269	84	return $count;
270		}
271
272		/**
273		* @since 0.3
274		*/
275	1	public function removeEmptyOperations() {
276	1	foreach ( $this->getArrayCopy() as $key => $operation ) {
277	1	if ( $operation instanceof self && $operation->isEmpty() ) {
278	1	unset( $this[$key] );
279		}
280		}
281	1	}
282
283		/**
284		* Returns the value of the isAssociative flag.
285		*
286		* @since 0.4
287		*
288		* @return bool\|null
289		*/
290	9	public function isAssociative() {
291	9	return $this->isAssociative;
292		}
293
294		/**
295		* Returns if the diff looks associative or not.
296		* This first checks the isAssociative flag and in case its null checks
297		* if there are any non-add-non-remove operations.
298		*
299		* @since 0.4
300		*
301		* @return bool
302		*/
303	9	public function looksAssociative(): bool {
304	9	return $this->isAssociative === null ? $this->hasAssociativeOperations() : $this->isAssociative;
305		}
306
307		/**
308		* Returns if the diff can be non-associative.
309		* This means it does not contain any non-add-non-remove operations.
310		*
311		* @since 0.4
312		*
313		* @return bool
314		*/
315	16	public function hasAssociativeOperations(): bool {
316	16	return !empty( $this->typePointers['change'] )
317	14	\|\| !empty( $this->typePointers['diff'] )
318	12	\|\| !empty( $this->typePointers['map'] )
319	16	\|\| !empty( $this->typePointers['list'] );
320		}
321
322		/**
323		* Returns the Diff in array form where nested DiffOps are also turned into their array form.
324		*
325		* @see DiffOp::toArray
326		*
327		* @since 0.5
328		*
329		* @param callable\|null $valueConverter optional callback used to convert any
330		* complex values to arrays.
331		*
332		* @return array
333		*/
334	108	public function toArray( callable $valueConverter = null ): array {
335	108	$operations = array();
336
337	108	foreach ( $this->getOperations() as $key => $diffOp ) {
338	96	$operations[$key] = $diffOp->toArray( $valueConverter );
339		}
340
341		return array(
342	108	'type' => $this->getType(),
343	108	'isassoc' => $this->isAssociative,
344	108	'operations' => $operations
345		);
346		}
347
348		/**
349		* @since 2.0
350		*
351		* @param mixed $target
352		*
353		* @return bool
354		*/
355	12	public function equals( $target ) {
356	12	if ( $target === $this ) {
357	1	return true;
358		}
359
360	11	if ( !( $target instanceof self ) ) {
361	2	return false;
362		}
363
364	9	return $this->isAssociative === $target->isAssociative
365	9	&& $this->getArrayCopy() == $target->getArrayCopy();
366		}
367
368		/**
369		* Finds a new offset for when appending an element.
370		* The base class does this, so it would be better to integrate,
371		* but there does not appear to be any way to do this...
372		*
373		* @return int
374		*/
375	23	private function getNewOffset(): int {
376	23	while ( $this->offsetExists( $this->indexOffset ) ) {
377	13	$this->indexOffset++;
378		}
379
380	23	return $this->indexOffset;
381		}
382
383		/**
384		* @see ArrayObject::append
385		*
386		* @since 0.1
387		*
388		* @param mixed $value
389		*/
390	19	public function append( $value ) {
391	19	$this->setElement( null, $value );
392	10	}
393
394		/**
395		* @see ArrayObject::offsetSet()
396		*
397		* @since 0.1
398		*
399		* @param int\|string $index
400		* @param mixed $value
401		*/
402	72	public function offsetSet( $index, $value ) {
403	72	$this->setElement( $index, $value );
404	71	}
405
406		/**
407		* Method that actually sets the element and holds
408		* all common code needed for set operations, including
409		* type checking and offset resolving.
410		*
411		* If you want to do additional indexing or have code that
412		* otherwise needs to be executed whenever an element is added,
413		* you can overload @see preSetElement.
414		*
415		* @param int\|string\|null $index
416		* @param mixed $value
417		*
418		* @throws InvalidArgumentException
419		*/
420	86	private function setElement( $index, $value ) {
421	86	if ( !( $value instanceof DiffOp ) ) {
422	12	throw new InvalidArgumentException(
423	12	'Can only add DiffOp implementing objects to ' . get_called_class() . '.'
424		);
425		}
426
427	84	if ( $index === null ) {
428	23	$index = $this->getNewOffset();
429		}
430
431	84	if ( $this->preSetElement( $index, $value ) ) {
432	76	parent::offsetSet( $index, $value );
		0 ignored issues – show Comprehensibility Bug introduced 2015-12-28 16:16 UTC by Report Bug Copy Issue Report It seems like you call parent on a different method (`offsetSet()` instead of `setElement()`). Are you sure this is correct? If so, you might want to change this to `$this->offsetSet()`. This check looks for a call to a parent method whose name is different than the method from which it is called. Consider the following code: class Daddy { protected function getFirstName() { return "Eidur"; } protected function getSurName() { return "Gudjohnsen"; } } class Son { public function getFirstName() { return parent::getSurname(); } } The `getFirstName()` method in the `Son` calls the wrong method in the parent class. Loading history...
433		}
434	76	}
435
436		/**
437		* @see Serializable::serialize
438		*
439		* @since 0.1
440		*
441		* @return string
442		*/
443	43	public function serialize() {
444	43	$assoc = $this->isAssociative === null ? 'n' : ( $this->isAssociative ? 't' : 'f' );
445
446		$data = array(
447	43	'data' => $this->getArrayCopy(),
448	43	'index' => $this->indexOffset,
449	43	'typePointers' => $this->typePointers,
450	43	'assoc' => $assoc
451		);
452
453	43	return serialize( $data );
454		}
455
456		/**
457		* Returns if the ArrayObject has no elements.
458		*
459		* @since 0.1
460		*
461		* @return bool
462		*/
463	15	public function isEmpty(): bool {
464	15	return $this->count() === 0;
465		}
466
467		}
468

wmde / Diff

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