TPriorityList::_getZappableSleepProps() - Code Metrics - Inspection of "#889 TList/TMap variable types and minor updates" - pradosoft/prado - Measure and Improve Code Quality continuously with Scrutinizer

Passed
Pull Request — master (#890)

unknown
created 2023-04-16 19:57 UTC
TPriorityList::_getZappableSleepProps() A

↳ Parent: TPriorityList
Complexity

Conditions	4
Paths	8
Size

Total Lines	12
Code Lines	8
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	2
CRAP Score	4
Importance

Changes
Metric	Value
cc	4
eloc	8
nc	8
nop	1
dl	0
loc	12
rs	10
c	0
b	0
f	0
ccs	2
cts	2
cp	1
crap	4
<?php
/**
 * TPriorityList class
 *
 * @author Brad Anderson <[email protected]>
 * @link https://github.com/pradosoft/prado
 * @license https://github.com/pradosoft/prado/blob/master/LICENSE
 */

namespace Prado\Collections;

use Prado\Exceptions\TInvalidDataTypeException;
use Prado\Exceptions\TInvalidDataValueException;
use Prado\Exceptions\TInvalidOperationException;
use Prado\TPropertyValue;

/**
 * TPriorityList class
 *
 * TPriorityList implements a priority ordered list collection class.  It allows you to specify
 * any numeric for priorities down to a specific precision.  The lower the numeric, the high the priority of the item in the
 * list.  Thus -10 has a higher priority than -5, 0, 10 (the default), 18, 10005, etc.  Per {@link round}, precision may be negative and
 * thus rounding can go by 10, 100, 1000, etc, instead of just .1, .01, .001, etc. The default precision allows for 8 decimal
 * places. There is also a default priority of 10, if no different default priority is specified or no item specific priority is indicated.
 * If you replace TList with this class it will  work exactly the same with items inserted set to the default priority, until you start
 * using different priorities than the default priority.
 *
 * As you access the PHP array features of this class, it flattens and caches the results.  If at all possible, this
 * will keep the cache fresh even when manipulated.  If this is not possible the cache is cleared.
 * When an array of items are needed and the cache is outdated, the cache is recreated from the items and their priorities
 *
 * You can access, append, insert, remove an item by using
 * {@link itemAt}, {@link add}, {@link insertAt}, and {@link remove}.
 * To get the number of the items in the list, use {@link getCount}.
 * TPriorityList can also be used like a regular array as follows,
 * <code>
 * $list[]=$item;  // append with the default priority.  It may not be the last item if other items in the list are prioritized after the default priority
 * $list[$index]=$item; // $index must be between 0 and $list->Count-1.  This sets the element regardless of priority.  Priority stays the same.
 * $list[$index]=$item; // $index is $list->Count.  This appends the item to the end of the list with the same priority as the last item in the list.
 * unset($list[$index]); // remove the item at $index
 * if(isset($list[$index])) // if the list has an item at $index
 * foreach($list as $index=>$item) // traverse each item in the list in proper priority order and add/insert order
 * $n=count($list); // returns the number of items in the list
 * </code>
 *
 * To extend TPriorityList for doing your own operations with each addition or removal,
 * override {@link insertAtIndexInPriority()} and {@link removeAtIndexInPriority()} and then call the parent.
 *
 * @author Brad Anderson <[email protected]>
 * @since 3.2a
 */
class TPriorityList extends TList
{
	/**
	 * @var bool indicates if the _d is currently ordered.
	 */
	protected bool $_o = false;
	/**
	 * @var null|array cached flattened internal data storage
	 */
	protected ?array $_fd = null;
	/**
	 * @var numeric the default priority of items without specified priorities
filter:
    dependency_paths: ["lib/*"]
	 */
	private $_dp = 10;
	/**
	 * @var int the precision of the numeric priorities within this priority list.
	 */
	private int $_p = 8;

	/**
	 * Constructor.
	 * Initializes the list with an array or an iterable object.
	 * @param null|array|\Iterator $data the initial data. Default is null, meaning no initial data.
	 * @param bool $readOnly whether the list is read-only
	 * @param numeric $defaultPriority the default priority of items without specified priorities.
	 * @param int $precision the precision of the numeric priorities
	 * @throws TInvalidDataTypeException If data is not null and is neither an array nor an iterator.
	 */
	public function __construct($data = null, $readOnly = false, $defaultPriority = 10, $precision = 8)
	{
		$this->setPrecision($precision);
		$this->setDefaultPriority($defaultPriority);
		$this->setDefaultPriority(/** @scrutinizer ignore-type */ $defaultPriority);
		parent::__construct($data, $readOnly);
	}

	/**
	 * @return numeric gets the default priority of inserted items without a specified priority
	 */
	public function getDefaultPriority()
	{
		return $this->_dp;
	}

	/**
	 * This must be called internally or when instantiated.
	 * @param numeric $value sets the default priority of inserted items without a specified priority
	 */
	protected function setDefaultPriority($value)
	{
		$this->_dp = (string) round(TPropertyValue::ensureFloat($value), $this->_p);

	}

	/**
	 * @return int The precision of numeric priorities, defaults to 8
	 */
	public function getPrecision(): int
	{
		return $this->_p;
	}

	/**
	 * This must be called internally or when instantiated.
	 * @param int $value The precision of numeric priorities.
	 */
	protected function setPrecision($value): void
	{
		$this->_p = TPropertyValue::ensureInteger($value);
	}

	/**
	 * Taken an input Priority and ensures its value.
	 * Sets the default $priority when none is set,
	 * then rounds to the proper precision and makes
	 * into a string.
	 * @param mixed $priority
	 * @return string the priority in string format
	 */
	protected function ensurePriority($priority): string
	{
		if ($priority === null || !is_numeric($priority)) {
			$priority = $this->getDefaultPriority();
		}
		return (string) round((float) $priority, $this->_p);
	}


	/**
	 * This orders the priority list internally.
	 */
	protected function sortPriorities(): void
	{
		if (!$this->_o) {
			ksort($this->_d, SORT_NUMERIC);
			$this->_o = true;
		}
	}

	/**
	 * This flattens the priority list into a flat array [0,...,n-1]
	 * @return array array of items in the list in priority and index order
	 */
	protected function flattenPriorities(): array
	{
		if (is_array($this->_fd)) {
			return $this->_fd;
		}

		$this->sortPriorities();
		$this->_fd = [];
		foreach ($this->_d as $priority => $itemsatpriority) {
			$this->_fd = array_merge($this->_fd, $itemsatpriority);
			$this->_fd = array_merge(/** @scrutinizer ignore-type */ $this->_fd, $itemsatpriority);
		}
		return $this->_fd;

	}

	/**
	 * This returns a list of the priorities within this list, ordered lowest to highest.
	 * @return array the array of priority numerics in decreasing priority order
	 */
	public function getPriorities(): array
	{
		$this->sortPriorities();
		return array_keys($this->_d);
	}

	/**
	 * Gets the number of items at a priority within the list
	 * @param null|numeric $priority optional priority at which to count items.  if no parameter, it will be set to the default {@link getDefaultPriority}
	 * @return false|int the number of items in the list at the specified priority
	 */
	public function getPriorityCount($priority = null)
	{
		$priority = $this->ensurePriority($priority);
		if (!isset($this->_d[$priority]) || !is_array($this->_d[$priority])) {
			return false;
		}
		return count($this->_d[$priority]);
	}

	/**
	 * Returns an iterator for traversing the items in the list.
	 * This method is required by the interface \IteratorAggregate.
	 * @return \Iterator an iterator for traversing the items in the list.
	 */
	public function getIterator(): \Iterator
	{
		return new \ArrayIterator($this->flattenPriorities());
	}


	/**
	 * Returns the item at the index of a flattened priority list.
	 * {@link offsetGet} calls this method.
	 * @param int $index the index of the item to get
	 * @throws TInvalidDataValueException Issued when the index is invalid
	 * @return mixed the element at the offset
	 */
	public function itemAt($index)
	{
		if ($index >= 0 && $index < $this->getCount()) {
			$arr = $this->flattenPriorities();
			return $arr[$index];
		} else {
			throw new TInvalidDataValueException('list_index_invalid', $index);
		}
	}

	/**
	 * Gets all the items at a specific priority.
	 * @param null|numeric $priority priority of the items to get.  Defaults to null, filled in with the default priority, if left blank.
	 * @return ?array all items at priority in index order, null if there are no items at that priority
	 */
	public function itemsAtPriority($priority = null): ?array
	{
		$priority = $this->ensurePriority($priority);
		return $this->_d[$priority] ?? null;
	}

	/**
	 * Returns the item at an index within a priority
	 * @param int $index the index into the list of items at priority
	 * @param numeric $priority the priority which to index.  no parameter or null will result in the default priority
	 * @return mixed the element at the offset, false if no element is found at the offset
	 */
	public function itemAtIndexInPriority($index, $priority = null)
	{
		$priority = $this->ensurePriority($priority);
		return !isset($this->_d[$priority]) ? false : (
			$this->_d[$priority][$index] ?? false
		);
	}

	/**
	 * Appends an item into the list at the end of the specified priority.  The position of the added item may
	 * not be at the end of the list.
	 * @param mixed $item item to add into the list at priority
	 * @param null|numeric $priority priority blank or null for the default priority
	 * @throws TInvalidOperationException if the map is read-only
	 * @return int the index within the flattened array
	 */
	public function add($item, $priority = null)
	{
		if ($this->getReadOnly()) {
			throw new TInvalidOperationException('list_readonly', get_class($this));
		}

		return $this->insertAtIndexInPriority($item, false, $priority, true);

	}

	/**
	 * Inserts an item at an index.  It reads the priority of the item at index within the flattened list
	 * and then inserts the item at that priority-index.
	 * @param int $index the specified position in the flattened list.
	 * @param mixed $item new item to add
	 * @throws TInvalidDataValueException If the index specified exceeds the bound
	 * @throws TInvalidOperationException if the list is read-only
	 */
	public function insertAt($index, $item)
	{
		if ($this->getReadOnly()) {
			throw new TInvalidOperationException('list_readonly', get_class($this));
		}

		if (($priority = $this->priorityAt($index, true)) !== false) {
			$this->insertAtIndexInPriority($item, $priority[1], $priority[0]);
		} else {
			throw new TInvalidDataValueException('list_index_invalid', $index);
		}
	}

	/**
	 * Inserts an item at the specified index within a priority.  Override and call this method to
	 * insert your own functionality.
	 * @param mixed $item item to add within the list.
	 * @param false|int $index index within the priority to add the item, defaults to false which appends the item at the priority
	 * @param null|numeric $priority priority of the item.  defaults to null, which sets it to the default priority
	 * @param bool $preserveCache preserveCache specifies if this is a special quick function or not. This defaults to false.
	 * @throws TInvalidDataValueException If the index specified exceeds the bound
	 * @throws TInvalidOperationException if the list is read-only
	 */
	public function insertAtIndexInPriority($item, $index = false, $priority = null, $preserveCache = false)
	{
		if ($this->getReadOnly()) {
			throw new TInvalidOperationException('list_readonly', get_class($this));
		}

		$itemPriority = null;
		if (($isPriorityItem = ($item instanceof IPriorityItem)) && ($priority === null || !is_numeric($priority))) {
			$itemPriority = $priority = $item->getPriority();
		}
		$priority = $this->ensurePriority($priority);
		if (($item instanceof IPriorityCapture) && (!$isPriorityItem || $itemPriority !== $priority)) {
			$item->setPriority($priority);
			$item->setPriority(/** @scrutinizer ignore-type */ $priority);
		}

		if ($index === false && isset($this->_d[$priority])) {
			$c = count($this->_d[$priority]);
			$this->_d[$priority][] = $item;
		} elseif (isset($this->_d[$priority])) {
			$c = $index;
			array_splice($this->_d[$priority], $index, 0, [$item]);
			array_splice($this->_d[$priority], /** @scrutinizer ignore-type */ $index, 0, [$item]);
		} else {
			$c = 0;
			$this->_o = false;
			$this->_d[$priority] = [$item];
		}

		if ($preserveCache) {
			if ($this->_fd !== null) {
				$this->sortPriorities();
				foreach ($this->_d as $prioritykey => $items) {
					if ($prioritykey >= $priority) {
						break;
					} else {
						$c += count($items);
					}
				}
				array_splice($this->_fd, $c, 0, [$item]);
			}
		} elseif (!$preserveCache) {

			if ($this->_fd !== null && count($this->_d) == 1) {
				array_splice($this->_fd, $c, 0, [$item]);
			} else {
				$this->_fd = null;
				$c = null;
			}
		}

		$this->_c++;

		return $c;
	}


	/**
	 * Removes an item from the priority list.
	 * The list will search for the item.  The first matching item found will be removed from the list.
	 * @param mixed $item item the item to be removed.
	 * @param null|bool|float $priority priority of item to remove. without this parameter it defaults to false.
	 * A value of false means any priority. null will be filled in with the default priority.
	 * @throws TInvalidDataValueException If the item does not exist
	 * @return int index within the flattened list at which the item is being removed
	 */
	public function remove($item, $priority = false)
	{
		if ($this->getReadOnly()) {
			throw new TInvalidOperationException('list_readonly', get_class($this));
		}

		if (($p = $this->priorityOf($item, true)) !== false) {
			if ($priority !== false) {
				$priority = $this->ensurePriority($priority);
				if ($p[0] != $priority) {
					throw new TInvalidDataValueException('list_item_inexistent');
				}
			}
			$this->removeAtIndexInPriority($p[1], $p[0]);
			return $p[2];
		} else {
			throw new TInvalidDataValueException('list_item_inexistent');
		}
	}

	/**
	 * Removes an item at the specified index in the flattened list.
	 * @param int $index index of the item to be removed.
	 * @throws TInvalidDataValueException If the index specified exceeds the bound
	 * @throws TInvalidOperationException if the list is read-only
	 * @return mixed the removed item.
	 */
	public function removeAt($index)
	{
		if ($this->getReadOnly()) {
			throw new TInvalidOperationException('list_readonly', get_class($this));
		}

		if (($priority = $this->priorityAt($index, true)) !== false) {
			return $this->removeAtIndexInPriority($priority[1], $priority[0]);
		}
		throw new TInvalidDataValueException('list_index_invalid', $index);
	}

	/**
	 * Removes the item at a specific index within a priority.  Override
	 * and call this method to insert your own functionality.
	 * @param int $index index of item to remove within the priority.
	 * @param null|numeric $priority priority of the item to remove, defaults to null, or left blank, it is then set to the default priority
	 * @throws TInvalidDataValueException If the item does not exist
	 * @return mixed the removed item.
	 */
	public function removeAtIndexInPriority($index, $priority = null)
	{
		if ($this->getReadOnly()) {
			throw new TInvalidOperationException('list_readonly', get_class($this));
		}

		$priority = $this->ensurePriority($priority);
		if (!isset($this->_d[$priority]) || $index < 0 || $index >= count($this->_d[$priority])) {
			throw new TInvalidDataValueException('list_item_inexistent');
		}

		// $value is an array of elements removed, only one
		$value = array_splice($this->_d[$priority], $index, 1);
		$value = $value[0];

		if (!count($this->_d[$priority])) {
			unset($this->_d[$priority]);
		}

		$this->_c--;
		$this->_fd = null;
		return $value;
	}

	/**
	 * Removes all items in the priority list by calling removeAtIndexInPriority from the last item to the first.
	 */
	public function clear(): void
	{
		if ($this->getReadOnly()) {
			throw new TInvalidOperationException('list_readonly', get_class($this));
		}

		foreach ($this->_d as $priority => $items) {
			for ($index = count($items) - 1; $index >= 0; $index--) {
				$this->removeAtIndexInPriority($index, $priority);
			}
		}
	}

	/**
	 * @param mixed $item item
	 * @return int the index of the item in the flattened list (0 based), -1 if not found.
	 */
	public function indexOf($item)
	{
		if (($index = array_search($item, $this->flattenPriorities(), true)) === false) {
			return -1;
		} else {
			return $index;

		}
	}

	/**
	 * Returns the priority of a particular item
	 * @param mixed $item the item to look for within the list
	 * @param bool $withindex this specifies if the full positional data of the item within the list is returned.
	 * 		This defaults to false, if no parameter is provided, so only provides the priority number of the item by default.
	 * @return array|false|numeric the priority of the item in the list, false if not found.
	 *   if withindex is true, an array is returned of [0 => $priority, 1 => $priorityIndex, 2 => flattenedIndex,
	 * 'priority' => $priority, 'index' => $priorityIndex, 'absindex' => flattenedIndex]
	 */
	public function priorityOf($item, $withindex = false)
	{
		$this->sortPriorities();

		$absindex = 0;
		foreach ($this->_d as $priority => $items) {
			if (($index = array_search($item, $items, true)) !== false) {
				$absindex += $index;
				return $withindex ? [$priority, $index, $absindex,
						'priority' => $priority, 'index' => $index, 'absindex' => $absindex, ] : $priority;
			} else {
				$absindex += count($items);
			}
		}

		return false;
	}

	/**
	 * Retutrns the priority of an item at a particular flattened index.
	 * @param int $index index of the item within the list
	 * @param bool $withindex this specifies if the full positional data of the item within the list is returned.
	 * 		This defaults to false, if no parameter is provided, so only provides the priority number of the item by default.
	 * @return array|false|numeric the priority of the item in the list, false if not found.
	 *   if withindex is true, an array is returned of [0 => $priority, 1 => $priorityIndex, 2 => flattenedIndex,
	 * 'priority' => $priority, 'index' => $priorityIndex, 'absindex' => flattenedIndex]
	 */
	public function priorityAt($index, $withindex = false)
	{
		if ($index < 0 || $index >= $this->getCount()) {
			throw new TInvalidDataValueException('list_index_invalid', $index);
		}

		$absindex = $index;
		$this->sortPriorities();
		foreach ($this->_d as $priority => $items) {
			if ($index >= ($c = count($items))) {
				$index -= $c;
			} else {
				return $withindex ? [$priority, $index, $absindex,
						'priority' => $priority, 'index' => $index, 'absindex' => $absindex, ] : $priority;
			}
		}
		return false;
	}

	/**
	 * This inserts an item before another item within the list.  It uses the same priority as the
	 * found index item and places the new item before it.
	 * @param mixed $indexitem the item to index
	 * @param mixed $item the item to add before indexitem
	 * @throws TInvalidDataValueException If the item does not exist
	 * @return int where the item has been inserted in the flattened list
	 */
	public function insertBefore($indexitem, $item)
	{
		if ($this->getReadOnly()) {
			throw new TInvalidOperationException('list_readonly', get_class($this));
		}

		if (($priority = $this->priorityOf($indexitem, true)) === false) {
			throw new TInvalidDataValueException('list_item_inexistent');
		}

		$this->insertAtIndexInPriority($item, $priority[1], $priority[0]);

		return $priority[2];
	}

	/**
	 * This inserts an item after another item within the list.  It uses the same priority as the
	 * found index item and places the new item after it.
	 * @param mixed $indexitem the item to index
	 * @param mixed $item the item to add after indexitem
	 * @throws TInvalidDataValueException If the item does not exist
	 * @return int where the item has been inserted in the flattened list
	 */
	public function insertAfter($indexitem, $item)
	{
		if ($this->getReadOnly()) {
			throw new TInvalidOperationException('list_readonly', get_class($this));
		}

		if (($priority = $this->priorityOf($indexitem, true)) === false) {
			throw new TInvalidDataValueException('list_item_inexistent');
		}

		$this->insertAtIndexInPriority($item, $priority[1] + 1, $priority[0]);

		return $priority[2] + 1;
	}

	/**
	 * @return array the priority list of items in array
	 */
	public function toArray(): array
	{
		return $this->flattenPriorities();
	}

	/**
	 * @return array the array of priorities keys with values of arrays of items.  The priorities are sorted so important priorities, lower numerics, are first.
	 */
	public function toPriorityArray(): array
	{
		$this->sortPriorities();
		return $this->_d;
	}

	/**
	 * Combines the map elements which have a priority below the parameter value
	 * @param numeric $priority the cut-off priority.  All items of priority less than this are returned.
	 * @param bool $inclusive whether or not the input cut-off priority is inclusive.  Default: false, not inclusive.
	 * @return array the array of priorities keys with values of arrays of items that are below a specified priority.
	 *  The priorities are sorted so important priorities, lower numerics, are first.
	 */
	public function toArrayBelowPriority($priority, $inclusive = false): array
	{
		$this->sortPriorities();
		$items = [];
		foreach ($this->_d as $itemspriority => $itemsatpriority) {
			if ((!$inclusive && $itemspriority >= $priority) || $itemspriority > $priority) {
				break;
			}
			$items = array_merge($items, $itemsatpriority);
		}
		return $items;
	}

	/**
	 * Combines the map elements which have a priority above the parameter value
	 * @param numeric $priority the cut-off priority.  All items of priority greater than this are returned.
	 * @param bool $inclusive whether or not the input cut-off priority is inclusive.  Default: true, inclusive.
	 * @return array the array of priorities keys with values of arrays of items that are above a specified priority.
	 *  The priorities are sorted so important priorities, lower numerics, are first.
	 */
	public function toArrayAbovePriority($priority, $inclusive = true): array
	{
		$this->sortPriorities();
		$items = [];
		foreach ($this->_d as $itemspriority => $itemsatpriority) {
			if ((!$inclusive && $itemspriority <= $priority) || $itemspriority < $priority) {
				continue;
			}
			$items = array_merge($items, $itemsatpriority);
		}
		return $items;
	}


	/**
	 * Copies iterable data into the priority list.
	 * Note, existing data in the map will be cleared first.
	 * @param mixed $data the data to be copied from, must be an array or object implementing Traversable
	 * @throws TInvalidDataTypeException If data is neither an array nor an iterator.
	 */
	public function copyFrom($data): void
	{
		if ($data instanceof TPriorityList) {
			if ($this->getCount() > 0) {
				$this->clear();
			}
			foreach ($data->getPriorities() as $priority) {
				foreach ($data->itemsAtPriority($priority) as $index => $item) {
					$this->insertAtIndexInPriority($item, $index, $priority);
				}
			}
		} elseif (is_array($data) || $data instanceof \Traversable) {
			if ($this->getCount() > 0) {
				$this->clear();
			}
			foreach ($data as $key => $item) {
				$this->add($item);
			}
		} elseif ($data !== null) {
			throw new TInvalidDataTypeException('map_data_not_iterable');
		}
	}

	/**
	 * Merges iterable data into the priority list.
	 * New data will be appended to the end of the existing data.  If another TPriorityList is merged,
	 * the incoming parameter items will be appended at the priorities they are present.  These items will be added
	 * to the end of the existing items with equal priorities, if there are any.
	 * @param mixed $data the data to be merged with, must be an array or object implementing Traversable
	 * @throws TInvalidDataTypeException If data is neither an array nor an iterator.
	 */
	public function mergeWith($data): void
	{
		if ($data instanceof TPriorityList) {
			foreach ($data->getPriorities() as $priority) {
				foreach ($data->itemsAtPriority($priority) as $index => $item) {
					$this->insertAtIndexInPriority($item, false, $priority);
				}
			}
		} elseif (is_array($data) || $data instanceof \Traversable) {
			foreach ($data as $priority => $item) {
				$this->add($item);
			}
		} elseif ($data !== null) {
			throw new TInvalidDataTypeException('map_data_not_iterable');
		}
	}

	/**
	 * Returns whether there is an element at the specified offset.
	 * This method is required by the interface \ArrayAccess.
	 * @param mixed $offset the offset to check on
	 * @return bool
	 */
	public function offsetExists($offset): bool
	{
		return ($offset >= 0 && $offset < $this->getCount());
	}

	/**
	 * Sets the element at the specified offset. This method is required by the interface \ArrayAccess.
	 * Setting elements in a priority list is not straight forword when appending and setting at the
	 * end boundary.  When appending without an offset (a null offset), the item will be added at
	 * the default priority.  The item may not be the last item in the list.  When appending with an
	 * offset equal to the count of the list, the item will get be appended with the last items priority.
	 *
	 * All together, when setting the location of an item, the item stays in that location, but appending
	 * an item into a priority list doesn't mean the item is at the end of the list.
	 * @param int $offset the offset to set element
	 * @param mixed $item the element value
	 */
	public function offsetSet($offset, $item): void
	{
		if ($offset === null) {

			$this->add($item);
			return;
		}
		if ($offset === $this->getCount()) {
			$priority = $this->priorityAt($offset - 1, true);
			$priority[1]++;
		} else {
			$priority = $this->priorityAt($offset, true);
			$this->removeAtIndexInPriority($priority[1], $priority[0]);
		}
		$this->insertAtIndexInPriority($item, $priority[1], $priority[0]);
	}

	/**
	 * Unsets the element at the specified offset.
	 * This method is required by the interface \ArrayAccess.
	 * @param mixed $offset the offset to unset element
	 */
	public function offsetUnset($offset): void
	{
		$this->removeAt($offset);
	}

	/**
	 * Returns an array with the names of all variables of this object that should NOT be serialized
	 * because their value is the default one or useless to be cached for the next page loads.
	 * Reimplement in derived classes to add new variables, but remember to  also to call the parent
	 * implementation first.
	 * @param array $exprops by reference
	 * @since 4.2.3
	 */
	protected function _getZappableSleepProps(&$exprops)
	{
		parent::_getZappableSleepProps($exprops);
		if ($this->_o === false) {
			$exprops[] = "\0*\0_o";
		}
		$exprops[] = "\0*\0_fd";
		if ($this->_dp == 10) {

			$exprops[] = "\0" . __CLASS__ . "\0_dp";
		}
		if ($this->_p === 8) {
			$exprops[] = "\0" . __CLASS__ . "\0_p";
		}
	}
}

pradosoft / prado

Pull Request — master (#890)

TPriorityList::_getZappableSleepProps() A

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