DotArray::pathToSegments() - Code Metrics - Inspection of "[-]: Remove DotPathTrait - parts have been moved i..." - binary-cube/dot-array - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( f80863...9d3e16 )

by Banciu N. Cristian Mihai

created 2019-02-24 20:23 UTC

DotArray::pathToSegments() A

↳ Parent: DotArray

Complexity

Conditions	3
Paths	3

Size

Total Lines	26
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes

Metric	Value
cc	3
eloc	14
nc	3
nop	1
dl	0
loc	26
ccs	0
cts	15
cp	0
crap	12
rs	9.7998
c	0
b	0
f	0

<?php

namespace BinaryCube\DotArray;

/**
 * DotArray
 *
 * @package BinaryCube\DotArray
 * @author  Banciu N. Cristian Mihai <[email protected]>
 * @license https://github.com/binary-cube/dot-array/blob/master/LICENSE <MIT License>
 * @link    https://github.com/binary-cube/dot-array
 */
class DotArray implements
    \ArrayAccess,
    \IteratorAggregate,
    \Serializable,
    \JsonSerializable,
    \Countable
{

    /* Traits. */
    use DotFilteringTrait;

    /**
     * Internal Dot Path Config.
     *
     * @var array
     */
    protected static $dotPathConfig = [
        'template'  => '#(?|(?|[<token-start>](.*?)[<token-end>])|(.*?))(?:$|\.+)#i',
        'wrapKey'   => '{%s}',
        'wildcards' => [
            '<token-start>' => ['\'', '\"', '\[', '\(', '\{'],
            '<token-end>'   => ['\'', '\"', '\]', '\)', '\}'],
        ],
    ];

    /**
     * The cached pattern that allow to match the JSON paths that use the dot notation.
     *
     * Allowed tokens for more complex paths: '', "", [], (), {}
     * Examples:
     *
     * - foo.bar
     * - foo.'bar'
     * - foo."bar"
     * - foo.[bar]
     * - foo.(bar)
     * - foo.{bar}
     *
     * Or more complex:
     * - foo.{bar}.[component].{version.1.0}
     *
     * @var string
     */
    protected static $dotPathPattern;

    /**
     * Unique object identifier.
     *
     * @var string
     */
    protected $uniqueIdentifier;

    /**
     * Stores the original data.
     *
     * @var array
     */
    protected $items;


    /**
     * Creates an DotArray object.
     *
     * @param mixed $items
     *
     * @return static
     */
    public static function create($items)
    {
        return (new static($items));
    }


    /**
     * @param string $json
     *
     * @return static
     */
    public static function createFromJson($json)
    {
        return static::create(\json_decode($json, true));
    }


    /**
     * Getting the dot path pattern.
     *
     * @return string
     */
    protected static function dotPathPattern()
    {
        if (empty(self::$dotPathPattern)) {
            $path = self::$dotPathConfig['template'];

            foreach (self::$dotPathConfig['wildcards'] as $wildcard => $tokens) {
                $path = \str_replace($wildcard, \implode('', $tokens), $path);
            }

            self::$dotPathPattern = $path;
        }

        return self::$dotPathPattern;
    }


    /**
     * Converts dot string path to segments.
     *
     * @param string $path
     *
     * @return array
     */
    protected static function pathToSegments($path)
    {
        $path     = \trim($path, " \t\n\r\0\x0B\.");
        $segments = [];
        $matches  = [];

        if (\mb_strlen($path, 'UTF-8') === 0) {
            return [];
        }

        \preg_match_all(static::dotPathPattern(), $path, $matches);

        if (!empty($matches[1])) {
            $matches = $matches[1];

            $segments = \array_filter(
                $matches,
                function ($match) {
                    return (\mb_strlen($match, 'UTF-8') > 0);
                }
            );
        }

        unset($path, $matches);

        return $segments;
    }


    /**
     * Wrap a given string into special characters.
     *
     * @param string $key
     *
     * @return string
     */
    protected static function wrapSegmentKey($key)
    {
        return vsprintf(static::$dotPathConfig['wrapKey'], [$key]);
    }


    /**
     * @param array $segments
     *
     * @return string
     */
    protected static function segmentsToKey(array $segments)
    {
        return (
        \implode(
            '.',
            \array_map(
                function ($segment) {
                    return static::wrapSegmentKey($segment);
                },
                $segments
            )
        )
        );
    }


    /**
     * Flatten the internal array using the dot delimiter,
     * also the keys are wrapped inside {key} (1 x curly braces).
     *
     * @param array $items
     * @param array $prepend
     *
     * @return array
     */
    protected static function flatten(array $items, $prepend = [])
    {
        $flatten = [];

        foreach ($items as $key => $value) {
            if (\is_array($value) && !empty($value)) {
                $flatten = array_merge(
                    $flatten,
                    static::flatten(
                        $value,
                        array_merge($prepend, [$key])
                    )
                );

                continue;
            }

            $segmentsToKey = static::segmentsToKey(array_merge($prepend, [$key]));

            $flatten[$segmentsToKey] = $value;
        }

        return $flatten;
    }


    /**
     * Return the given items as an array
     *
     * @param mixed $items
     *
     * @return array
     */
    protected static function normalize($items)
    {
        if ($items instanceof self) {
            $items = $items->toArray();
        }

        if (\is_array($items)) {
            foreach ($items as $k => $v) {
                if (\is_array($v) || $v instanceof self) {
                    $v = static::normalize($v);
                }
                $items[$k] = $v;
            }
        }

        return (array) $items;
    }


    /**
     * @param array|DotArray|mixed      $array1
     * @param null|array|DotArray|mixed $array2
     *
     * @return array
     */
    protected static function mergeRecursive($array1, $array2 = null)
    {
        $args = static::normalize(\func_get_args());
        $res  = \array_shift($args);

        while (!empty($args)) {
            foreach (\array_shift($args) as $k => $v) {
                if (\is_int($k) && \array_key_exists($k, $res)) {
                    $res[] = $v;
                    continue;
                }

                if (\is_array($v) && isset($res[$k]) && \is_array($res[$k])) {
                    $v = static::mergeRecursive($res[$k], $v);
                }

                $res[$k] = $v;
            }
        }

        return $res;
    }


    /**
     * DotArray Constructor.
     *
     * @param mixed $items
     */
    public function __construct($items = [])
    {
        $this->items = static::normalize($items);

        $this->uniqueIdentifier();
    }


    /**
     * DotArray Destructor.
     */
    public function __destruct()
    {
        unset($this->uniqueIdentifier);
        unset($this->items);
    }


    /**
     * Call object as function.
     *
     * @param null|string $key
     *
     * @return mixed|static
     */
    public function __invoke($key = null)
    {
        return $this->get($key);
    }


    /**
     * @return string
     */
    public function uniqueIdentifier()
    {
        if (empty($this->uniqueIdentifier)) {
            $this->uniqueIdentifier = static::segmentsToKey(
                [
                    static::class,
                    \uniqid('', true),
                    \microtime(true),
                ]
            );
        }

        return $this->uniqueIdentifier;
    }


    /**
     * Merges one or more arrays into master recursively.
     * If each array has an element with the same string key value, the latter
     * will overwrite the former (different from array_merge_recursive).
     * Recursive merging will be conducted if both arrays have an element of array
     * type and are having the same key.
     * For integer-keyed elements, the elements from the latter array will
     * be appended to the former array.
     *
     * @param array|DotArray|mixed $array Array to be merged from. You can specify additional
     *                                    arrays via second argument, third argument, fourth argument etc.
     *
     * @return static
     */
    public function merge($array)
    {
        $this->items = \call_user_func_array(
            [
                $this, 'mergeRecursive',
            ],
            \array_merge(
                [$this->items],
                \func_get_args()
            )
        );

        return $this;
    }


    /**
     * @param string|null|mixed $key
     * @param mixed             $default
     *
     * @return array|mixed
     */
    protected function &read($key = null, $default = null)
    {
        $segments = static::pathToSegments($key);
        $items    = &$this->items;

        foreach ($segments as $segment) {
            if (
                !\is_array($items)
                || !\array_key_exists($segment, $items)
            ) {
                return $default;
            }

            $items = &$items[$segment];
        }

        unset($segments);

        return $items;
    }


    /**
     * @param string $key
     * @param mixed  $value
     *
     * @return void
     */
    protected function write($key, $value)
    {
        $segments = static::pathToSegments($key);
        $count    = \count($segments);
        $items    = &$this->items;

        for ($i = 0; $i < $count; $i++) {
            $segment = $segments[$i];

            if (
                (!isset($items[$segment]) || !\is_array($items[$segment]))
                && ($i < ($count - 1))
            ) {
                $items[$segment] = [];
            }

            $items = &$items[$segment];
        }

        if (\is_array($value) || $value instanceof self) {
            $value = static::normalize($value);
        }

        $items = $value;

        if (!\is_array($this->items)) {

            $this->items = static::normalize($this->items);
        }
    }


    /**
     * Delete the given key or keys.
     *
     * @param string $key
     *
     * @return void
     */
    protected function remove($key)
    {
        $segments = static::pathToSegments($key);
        $count    = \count($segments);
        $items    = &$this->items;

        for ($i = 0; $i < $count; $i++) {
            $segment = $segments[$i];

            // Nothing to unset.
            if (!\array_key_exists($segment, $items)) {
                break;
            }

            // Last item, time to unset.
            if ($i === ($count - 1)) {
                unset($items[$segment]);
                break;
            }

            $items = &$items[$segment];
        }
    }


    /**
     * @param string $key
     *
     * @return bool
     */
    public function has($key)
    {
        $identifier = $this->uniqueIdentifier();

        return ($identifier !== $this->read($key, $identifier));
    }


    /**
     * Check if a given key contains empty values (null, [], 0, false)
     *
     * @param null|string $key
     *
     * @return bool
     */
    public function isEmpty($key = null)
    {
        $items = $this->read($key, null);

        return empty($items);
    }


    /**
     * @param null|string $key
     * @param null|mixed  $default
     *
     * @return mixed|static
     */
    public function get($key = null, $default = null)
    {
        $items = $this->read($key, $default);

        if (\is_array($items)) {
            $items = static::create($items);
        }

        return $items;
    }


    /**
     * Set the given value to the provided key or keys.
     *
     * @param null|string|array $keys
     * @param mixed|mixed       $value
     *
     * @return static
     */
    public function set($keys = null, $value = [])
    {
        $keys = (array) (!isset($keys) ? [$keys] : $keys);

        foreach ($keys as $key) {
            $this->write($key, $value);
        }

        return $this;
    }


    /**
     * Delete the given key or keys.
     *
     * @param string|array $keys
     *
     * @return static
     */
    public function delete($keys)
    {
        $keys = (array) $keys;

        foreach ($keys as $key) {
            $this->remove($key);
        }

        return $this;
    }


    /**
     * Set the contents of a given key or keys to the given value (default is empty array).
     *
     * @param null|string|array $keys
     * @param array|mixed       $value
     *
     * @return static
     */
    public function clear($keys = null, $value = [])
    {
        $keys = (array) (!isset($keys) ? [$keys] : $keys);

        foreach ($keys as $key) {
            $this->write($key, $value);
        }

        return $this;
    }


    /**
     * Returning the first value from the current array.
     *
     * @return mixed
     */
    public function first()
    {
        $items = $this->items;

        return \array_shift($items);
    }


    /**
     * Whether a offset exists
     *
     * @link https://php.net/manual/en/arrayaccess.offsetexists.php
     *
     * @param mixed $offset An offset to check for.
     *
     * @return boolean true on success or false on failure.
     *
     * The return value will be casted to boolean if non-boolean was returned.
     * @since  5.0.0
     */
    public function offsetExists($offset)
    {
        return $this->has($offset);
    }


    /**
     * Offset to retrieve
     *
     * @link https://php.net/manual/en/arrayaccess.offsetget.php
     *
     * @param mixed $offset The offset to retrieve.
     *
     * @return mixed Can return all value types.
     *
     * @since 5.0.0
     */
    public function &offsetGet($offset)
    {
        return $this->read($offset, null);
    }


    /**
     * Offset to set
     *
     * @link https://php.net/manual/en/arrayaccess.offsetset.php
     *
     * @param mixed $offset
     * @param mixed $value
     *
     * @return void
     *
     * @since 5.0.0
     */
    public function offsetSet($offset, $value)
    {
        $this->write($offset, $value);
    }


    /**
     * Offset to unset
     *
     * @link https://php.net/manual/en/arrayaccess.offsetunset.php
     *
     * @param mixed $offset The offset to unset.
     *
     * @return void
     *
     * @since 5.0.0
     */
    public function offsetUnset($offset)
    {
        if (\array_key_exists($offset, $this->items)) {
            unset($this->items[$offset]);
            return;
        }

        $this->remove($offset);
    }


    /**
     * Count elements of an object
     *
     * @link https://php.net/manual/en/countable.count.php
     *
     * @param int $mode
     *
     * @return int The custom count as an integer.
     *
     * @since 5.1.0
     */
    public function count($mode = COUNT_NORMAL)
    {
        return \count($this->items, $mode);
    }


    /**
     * Specify data which should be serialized to JSON
     *
     * @link https://php.net/manual/en/jsonserializable.jsonserialize.php
     *
     * @return mixed data which can be serialized by <b>json_encode</b>,
     * which is a value of any type other than a resource.
     *
     * @since 5.4.0
     */
    public function jsonSerialize()
    {
        return $this->items;
    }


    /**
     * String representation of object
     *
     * @link https://php.net/manual/en/serializable.serialize.php
     *
     * @return string the string representation of the object or null
     *
     * @since 5.1.0
     */
    public function serialize()
    {
        return \serialize($this->items);
    }


    /**
     * Constructs the object
     *
     * @link https://php.net/manual/en/serializable.unserialize.php
     *
     * @param string $serialized The string representation of the object.

     * @return void
     *
     * @since 5.1.0
     */
    public function unserialize($serialized)
    {
        $this->items = \unserialize($serialized);
    }


    /**
     * Retrieve an external iterator.
     *
     * @link https://php.net/manual/en/iteratoraggregate.getiterator.php
     *
     * @return \ArrayIterator An instance of an object implementing Iterator or Traversable
     *
     * @since 5.0.0
     */
    public function getIterator()
    {
        return new \ArrayIterator($this->items);
    }


    /**
     * Getting the internal raw array.
     *
     * @return array
     */
    public function toArray()
    {
        return $this->items;
    }


    /**
     * Getting the internal raw array as JSON.
     *
     * @param int $options
     *
     * @return string
     */
    public function toJson($options = 0)
    {
        return (string) \json_encode($this->items, $options);
    }


    /**
     * Flatten the internal array using the dot delimiter,
     * also the keys are wrapped inside {key} (1 x curly braces).
     *
     * @return array
     */
    public function toFlat()
    {
        return static::flatten($this->items);
    }


}


1		<?php
2
3		namespace BinaryCube\DotArray;
4
5		/**
6		* DotArray
7		*
8		* @package BinaryCube\DotArray
9		* @author Banciu N. Cristian Mihai <[email protected]>
10		* @license https://github.com/binary-cube/dot-array/blob/master/LICENSE <MIT License>
11		* @link https://github.com/binary-cube/dot-array
12		*/
13		class DotArray implements
14		\ArrayAccess,
15		\IteratorAggregate,
16		\Serializable,
17		\JsonSerializable,
18		\Countable
19		{
20
21		/* Traits. */
22		use DotFilteringTrait;
23
24		/**
25		* Internal Dot Path Config.
26		*
27		* @var array
28		*/
29		protected static $dotPathConfig = [
30		'template' => '#(?\|(?\|[<token-start>](.?)[<token-end>])\|(.?))(?:$\|\.+)#i',
31		'wrapKey' => '{%s}',
32		'wildcards' => [
33		'<token-start>' => ['\'', '\"', '\[', '\(', '\{'],
34		'<token-end>' => ['\'', '\"', '\]', '\)', '\}'],
35		],
36		];
37
38		/**
39		* The cached pattern that allow to match the JSON paths that use the dot notation.
40		*
41		* Allowed tokens for more complex paths: '', "", [], (), {}
42		* Examples:
43		*
44		* - foo.bar
45		* - foo.'bar'
46		* - foo."bar"
47		* - foo.[bar]
48		* - foo.(bar)
49		* - foo.{bar}
50		*
51		* Or more complex:
52		* - foo.{bar}.[component].{version.1.0}
53		*
54		* @var string
55		*/
56		protected static $dotPathPattern;
57
58		/**
59		* Unique object identifier.
60		*
61		* @var string
62		*/
63		protected $uniqueIdentifier;
64
65		/**
66		* Stores the original data.
67		*
68		* @var array
69		*/
70		protected $items;
71
72
73		/**
74		* Creates an DotArray object.
75		*
76		* @param mixed $items
77		*
78		* @return static
79		*/
80	2	public static function create($items)
81		{
82	2	return (new static($items));
83		}
84
85
86		/**
87		* @param string $json
88		*
89		* @return static
90		*/
91	1	public static function createFromJson($json)
92		{
93	1	return static::create(\json_decode($json, true));
94		}
95
96
97		/**
98		* Getting the dot path pattern.
99		*
100		* @return string
101		*/
102		protected static function dotPathPattern()
103		{
104		if (empty(self::$dotPathPattern)) {
105		$path = self::$dotPathConfig['template'];
106
107		foreach (self::$dotPathConfig['wildcards'] as $wildcard => $tokens) {
108		$path = \str_replace($wildcard, \implode('', $tokens), $path);
109		}
110
111		self::$dotPathPattern = $path;
112		}
113
114		return self::$dotPathPattern;
115		}
116
117
118		/**
119		* Converts dot string path to segments.
120		*
121		* @param string $path
122		*
123		* @return array
124		*/
125		protected static function pathToSegments($path)
126		{
127		$path = \trim($path, " \t\n\r\0\x0B\.");
128		$segments = [];
129		$matches = [];
130
131		if (\mb_strlen($path, 'UTF-8') === 0) {
132		return [];
133		}
134
135		\preg_match_all(static::dotPathPattern(), $path, $matches);
136
137		if (!empty($matches[1])) {
138		$matches = $matches[1];
139
140		$segments = \array_filter(
141		$matches,
142		function ($match) {
143		return (\mb_strlen($match, 'UTF-8') > 0);
144		}
145		);
146		}
147
148		unset($path, $matches);
149
150		return $segments;
151		}
152
153
154		/**
155		* Wrap a given string into special characters.
156		*
157		* @param string $key
158		*
159		* @return string
160		*/
161	3	protected static function wrapSegmentKey($key)
162		{
163	3	return vsprintf(static::$dotPathConfig['wrapKey'], [$key]);
164		}
165
166
167		/**
168		* @param array $segments
169		*
170		* @return string
171		*/
172	3	protected static function segmentsToKey(array $segments)
173		{
174		return (
175	3	\implode(
176	3	'.',
177	3	\array_map(
178		function ($segment) {
179	3	return static::wrapSegmentKey($segment);
180	3	},
181	3	$segments
182		)
183		)
184		);
185		}
186
187
188		/**
189		* Flatten the internal array using the dot delimiter,
190		* also the keys are wrapped inside {key} (1 x curly braces).
191		*
192		* @param array $items
193		* @param array $prepend
194		*
195		* @return array
196		*/
197		protected static function flatten(array $items, $prepend = [])
198		{
199		$flatten = [];
200
201		foreach ($items as $key => $value) {
202		if (\is_array($value) && !empty($value)) {
203		$flatten = array_merge(
204		$flatten,
205		static::flatten(
206		$value,
207		array_merge($prepend, [$key])
208		)
209		);
210
211		continue;
212		}
213
214		$segmentsToKey = static::segmentsToKey(array_merge($prepend, [$key]));
215
216		$flatten[$segmentsToKey] = $value;
217		}
218
219		return $flatten;
220		}
221
222
223		/**
224		* Return the given items as an array
225		*
226		* @param mixed $items
227		*
228		* @return array
229		*/
230	3	protected static function normalize($items)
231		{
232	3	if ($items instanceof self) {
233	1	$items = $items->toArray();
234		}
235
236	3	if (\is_array($items)) {
237	3	foreach ($items as $k => $v) {
238	3	if (\is_array($v) \|\| $v instanceof self) {
239	3	$v = static::normalize($v);
240		}
241	3	$items[$k] = $v;
242		}
243		}
244
245	3	return (array) $items;
246		}
247
248
249		/**
250		* @param array\|DotArray\|mixed $array1
251		* @param null\|array\|DotArray\|mixed $array2
252		*
253		* @return array
254		*/
255		protected static function mergeRecursive($array1, $array2 = null)
256		{
257		$args = static::normalize(\func_get_args());
258		$res = \array_shift($args);
259
260		while (!empty($args)) {
261		foreach (\array_shift($args) as $k => $v) {
262		if (\is_int($k) && \array_key_exists($k, $res)) {
263		$res[] = $v;
264		continue;
265		}
266
267		if (\is_array($v) && isset($res[$k]) && \is_array($res[$k])) {
268		$v = static::mergeRecursive($res[$k], $v);
269		}
270
271		$res[$k] = $v;
272		}
273		}
274
275		return $res;
276		}
277
278
279		/**
280		* DotArray Constructor.
281		*
282		* @param mixed $items
283		*/
284	3	public function __construct($items = [])
285		{
286	3	$this->items = static::normalize($items);
287
288	3	$this->uniqueIdentifier();
289	3	}
290
291
292		/**
293		* DotArray Destructor.
294		*/
295	2	public function __destruct()
296		{
297	2	unset($this->uniqueIdentifier);
298	2	unset($this->items);
299	2	}
300
301
302		/**
303		* Call object as function.
304		*
305		* @param null\|string $key
306		*
307		* @return mixed\|static
308		*/
309		public function __invoke($key = null)
310		{
311		return $this->get($key);
312		}
313
314
315		/**
316		* @return string
317		*/
318	3	public function uniqueIdentifier()
319		{
320	3	if (empty($this->uniqueIdentifier)) {
321	3	$this->uniqueIdentifier = static::segmentsToKey(
322		[
323	3	static::class,
324	3	\uniqid('', true),
325	3	\microtime(true),
326		]
327		);
328		}
329
330	3	return $this->uniqueIdentifier;
331		}
332
333
334		/**
335		* Merges one or more arrays into master recursively.
336		* If each array has an element with the same string key value, the latter
337		* will overwrite the former (different from array_merge_recursive).
338		* Recursive merging will be conducted if both arrays have an element of array
339		* type and are having the same key.
340		* For integer-keyed elements, the elements from the latter array will
341		* be appended to the former array.
342		*
343		* @param array\|DotArray\|mixed $array Array to be merged from. You can specify additional
344		* arrays via second argument, third argument, fourth argument etc.
345		*
346		* @return static
347		*/
348		public function merge($array)
349		{
350		$this->items = \call_user_func_array(
351		[
352		$this, 'mergeRecursive',
353		],
354		\array_merge(
355		[$this->items],
356		\func_get_args()
357		)
358		);
359
360		return $this;
361		}
362
363
364		/**
365		* @param string\|null\|mixed $key
366		* @param mixed $default
367		*
368		* @return array\|mixed
369		*/
370		protected function &read($key = null, $default = null)
371		{
372		$segments = static::pathToSegments($key);
373		$items = &$this->items;
374
375		foreach ($segments as $segment) {
376		if (
377		!\is_array($items)
378		\|\| !\array_key_exists($segment, $items)
379		) {
380		return $default;
381		}
382
383		$items = &$items[$segment];
384		}
385
386		unset($segments);
387
388		return $items;
389		}
390
391
392		/**
393		* @param string $key
394		* @param mixed $value
395		*
396		* @return void
397		*/
398		protected function write($key, $value)
399		{
400		$segments = static::pathToSegments($key);
401		$count = \count($segments);
402		$items = &$this->items;
403
404		for ($i = 0; $i < $count; $i++) {
405		$segment = $segments[$i];
406
407		if (
408		(!isset($items[$segment]) \|\| !\is_array($items[$segment]))
409		&& ($i < ($count - 1))
410		) {
411		$items[$segment] = [];
412		}
413
414		$items = &$items[$segment];
415		}
416
417		if (\is_array($value) \|\| $value instanceof self) {
418		$value = static::normalize($value);
419		}
420
421		$items = $value;
422
423		if (!\is_array($this->items)) {
		0 ignored issues – show introduced 2018-12-30 13:29 UTC by Report Bug Copy Issue Report The condition `is_array($this->items)` is always `true`. Loading history...
424		$this->items = static::normalize($this->items);
425		}
426		}
427
428
429		/**
430		* Delete the given key or keys.
431		*
432		* @param string $key
433		*
434		* @return void
435		*/
436		protected function remove($key)
437		{
438		$segments = static::pathToSegments($key);
439		$count = \count($segments);
440		$items = &$this->items;
441
442		for ($i = 0; $i < $count; $i++) {
443		$segment = $segments[$i];
444
445		// Nothing to unset.
446		if (!\array_key_exists($segment, $items)) {
447		break;
448		}
449
450		// Last item, time to unset.
451		if ($i === ($count - 1)) {
452		unset($items[$segment]);
453		break;
454		}
455
456		$items = &$items[$segment];
457		}
458		}
459
460
461		/**
462		* @param string $key
463		*
464		* @return bool
465		*/
466		public function has($key)
467		{
468		$identifier = $this->uniqueIdentifier();
469
470		return ($identifier !== $this->read($key, $identifier));
471		}
472
473
474		/**
475		* Check if a given key contains empty values (null, [], 0, false)
476		*
477		* @param null\|string $key
478		*
479		* @return bool
480		*/
481		public function isEmpty($key = null)
482		{
483		$items = $this->read($key, null);
484
485		return empty($items);
486		}
487
488
489		/**
490		* @param null\|string $key
491		* @param null\|mixed $default
492		*
493		* @return mixed\|static
494		*/
495		public function get($key = null, $default = null)
496		{
497		$items = $this->read($key, $default);
498
499		if (\is_array($items)) {
500		$items = static::create($items);
501		}
502
503		return $items;
504		}
505
506
507		/**
508		* Set the given value to the provided key or keys.
509		*
510		* @param null\|string\|array $keys
511		* @param mixed\|mixed $value
512		*
513		* @return static
514		*/
515		public function set($keys = null, $value = [])
516		{
517		$keys = (array) (!isset($keys) ? [$keys] : $keys);
518
519		foreach ($keys as $key) {
520		$this->write($key, $value);
521		}
522
523		return $this;
524		}
525
526
527		/**
528		* Delete the given key or keys.
529		*
530		* @param string\|array $keys
531		*
532		* @return static
533		*/
534		public function delete($keys)
535		{
536		$keys = (array) $keys;
537
538		foreach ($keys as $key) {
539		$this->remove($key);
540		}
541
542		return $this;
543		}
544
545
546		/**
547		* Set the contents of a given key or keys to the given value (default is empty array).
548		*
549		* @param null\|string\|array $keys
550		* @param array\|mixed $value
551		*
552		* @return static
553		*/
554		public function clear($keys = null, $value = [])
555		{
556		$keys = (array) (!isset($keys) ? [$keys] : $keys);
557
558		foreach ($keys as $key) {
559		$this->write($key, $value);
560		}
561
562		return $this;
563		}
564
565
566		/**
567		* Returning the first value from the current array.
568		*
569		* @return mixed
570		*/
571		public function first()
572		{
573		$items = $this->items;
574
575		return \array_shift($items);
576		}
577
578
579		/**
580		* Whether a offset exists
581		*
582		* @link https://php.net/manual/en/arrayaccess.offsetexists.php
583		*
584		* @param mixed $offset An offset to check for.
585		*
586		* @return boolean true on success or false on failure.
587		*
588		* The return value will be casted to boolean if non-boolean was returned.
589		* @since 5.0.0
590		*/
591		public function offsetExists($offset)
592		{
593		return $this->has($offset);
594		}
595
596
597		/**
598		* Offset to retrieve
599		*
600		* @link https://php.net/manual/en/arrayaccess.offsetget.php
601		*
602		* @param mixed $offset The offset to retrieve.
603		*
604		* @return mixed Can return all value types.
605		*
606		* @since 5.0.0
607		*/
608		public function &offsetGet($offset)
609		{
610		return $this->read($offset, null);
611		}
612
613
614		/**
615		* Offset to set
616		*
617		* @link https://php.net/manual/en/arrayaccess.offsetset.php
618		*
619		* @param mixed $offset
620		* @param mixed $value
621		*
622		* @return void
623		*
624		* @since 5.0.0
625		*/
626		public function offsetSet($offset, $value)
627		{
628		$this->write($offset, $value);
629		}
630
631
632		/**
633		* Offset to unset
634		*
635		* @link https://php.net/manual/en/arrayaccess.offsetunset.php
636		*
637		* @param mixed $offset The offset to unset.
638		*
639		* @return void
640		*
641		* @since 5.0.0
642		*/
643		public function offsetUnset($offset)
644		{
645		if (\array_key_exists($offset, $this->items)) {
646		unset($this->items[$offset]);
647		return;
648		}
649
650		$this->remove($offset);
651		}
652
653
654		/**
655		* Count elements of an object
656		*
657		* @link https://php.net/manual/en/countable.count.php
658		*
659		* @param int $mode
660		*
661		* @return int The custom count as an integer.
662		*
663		* @since 5.1.0
664		*/
665		public function count($mode = COUNT_NORMAL)
666		{
667		return \count($this->items, $mode);
668		}
669
670
671		/**
672		* Specify data which should be serialized to JSON
673		*
674		* @link https://php.net/manual/en/jsonserializable.jsonserialize.php
675		*
676		* @return mixed data which can be serialized by <b>json_encode</b>,
677		* which is a value of any type other than a resource.
678		*
679		* @since 5.4.0
680		*/
681	1	public function jsonSerialize()
682		{
683	1	return $this->items;
684		}
685
686
687		/**
688		* String representation of object
689		*
690		* @link https://php.net/manual/en/serializable.serialize.php
691		*
692		* @return string the string representation of the object or null
693		*
694		* @since 5.1.0
695		*/
696	1	public function serialize()
697		{
698	1	return \serialize($this->items);
699		}
700
701
702		/**
703		* Constructs the object
704		*
705		* @link https://php.net/manual/en/serializable.unserialize.php
706		*
707		* @param string $serialized The string representation of the object.
708
709		* @return void
710		*
711		* @since 5.1.0
712		*/
713	1	public function unserialize($serialized)
714		{
715	1	$this->items = \unserialize($serialized);
716	1	}
717
718
719		/**
720		* Retrieve an external iterator.
721		*
722		* @link https://php.net/manual/en/iteratoraggregate.getiterator.php
723		*
724		* @return \ArrayIterator An instance of an object implementing Iterator or Traversable
725		*
726		* @since 5.0.0
727		*/
728	1	public function getIterator()
729		{
730	1	return new \ArrayIterator($this->items);
731		}
732
733
734		/**
735		* Getting the internal raw array.
736		*
737		* @return array
738		*/
739	2	public function toArray()
740		{
741	2	return $this->items;
742		}
743
744
745		/**
746		* Getting the internal raw array as JSON.
747		*
748		* @param int $options
749		*
750		* @return string
751		*/
752	1	public function toJson($options = 0)
753		{
754	1	return (string) \json_encode($this->items, $options);
755		}
756
757
758		/**
759		* Flatten the internal array using the dot delimiter,
760		* also the keys are wrapped inside {key} (1 x curly braces).
761		*
762		* @return array
763		*/
764		public function toFlat()
765		{
766		return static::flatten($this->items);
767		}
768
769
770		}
771

binary-cube / dot-array

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DotArray::pathToSegments() A

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