21e72da9ee
This feature is based general.enable_async_metadata setting and works with existing metadata.js file. The script is compatible with any template: - the thumbnail div bloc must have attribute - the bookmark bloc must have attribute with the bookmark ID as value Fixes #1564
527 lines
12 KiB
PHP
527 lines
12 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Shaarli\Bookmark;
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use DateTime;
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use DateTimeInterface;
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use Shaarli\Bookmark\Exception\InvalidBookmarkException;
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/**
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* Class Bookmark
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*
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* This class represent a single Bookmark with all its attributes.
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* Every bookmark should manipulated using this, before being formatted.
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*
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* @package Shaarli\Bookmark
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*/
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class Bookmark
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{
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/** @var string Date format used in string (former ID format) */
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const LINK_DATE_FORMAT = 'Ymd_His';
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/** @var int Bookmark ID */
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protected $id;
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/** @var string Permalink identifier */
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protected $shortUrl;
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/** @var string Bookmark's URL - $shortUrl prefixed with `?` for notes */
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protected $url;
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/** @var string Bookmark's title */
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protected $title;
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/** @var string Raw bookmark's description */
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protected $description;
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/** @var array List of bookmark's tags */
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protected $tags;
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/** @var string|bool|null Thumbnail's URL - initialized at null, false if no thumbnail could be found */
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protected $thumbnail;
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/** @var bool Set to true if the bookmark is set as sticky */
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protected $sticky;
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/** @var DateTimeInterface Creation datetime */
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protected $created;
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/** @var DateTimeInterface datetime */
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protected $updated;
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/** @var bool True if the bookmark can only be seen while logged in */
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protected $private;
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/** @var mixed[] Available to store any additional content for a bookmark. Currently used for search highlight. */
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protected $additionalContent = [];
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/**
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* Initialize a link from array data. Especially useful to create a Bookmark from former link storage format.
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*
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* @param array $data
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*
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* @return $this
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*/
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public function fromArray(array $data): Bookmark
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{
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$this->id = $data['id'] ?? null;
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$this->shortUrl = $data['shorturl'] ?? null;
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$this->url = $data['url'] ?? null;
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$this->title = $data['title'] ?? null;
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$this->description = $data['description'] ?? null;
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$this->thumbnail = $data['thumbnail'] ?? null;
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$this->sticky = $data['sticky'] ?? false;
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$this->created = $data['created'] ?? null;
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if (is_array($data['tags'])) {
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$this->tags = $data['tags'];
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} else {
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$this->tags = preg_split('/\s+/', $data['tags'] ?? '', -1, PREG_SPLIT_NO_EMPTY);
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}
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if (! empty($data['updated'])) {
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$this->updated = $data['updated'];
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}
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$this->private = ($data['private'] ?? false) ? true : false;
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return $this;
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}
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/**
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* Make sure that the current instance of Bookmark is valid and can be saved into the data store.
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* A valid link requires:
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* - an integer ID
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* - a short URL (for permalinks)
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* - a creation date
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*
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* This function also initialize optional empty fields:
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* - the URL with the permalink
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* - the title with the URL
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*
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* Also make sure that we do not save search highlights in the datastore.
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*
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* @throws InvalidBookmarkException
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*/
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public function validate(): void
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{
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if ($this->id === null
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|| ! is_int($this->id)
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|| empty($this->shortUrl)
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|| empty($this->created)
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) {
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throw new InvalidBookmarkException($this);
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}
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if (empty($this->url)) {
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$this->url = '/shaare/'. $this->shortUrl;
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}
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if (empty($this->title)) {
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$this->title = $this->url;
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}
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if (array_key_exists('search_highlight', $this->additionalContent)) {
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unset($this->additionalContent['search_highlight']);
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}
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}
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/**
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* Set the Id.
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* If they're not already initialized, this function also set:
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* - created: with the current datetime
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* - shortUrl: with a generated small hash from the date and the given ID
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*
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* @param int|null $id
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*
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* @return Bookmark
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*/
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public function setId(?int $id): Bookmark
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{
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$this->id = $id;
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if (empty($this->created)) {
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$this->created = new DateTime();
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}
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if (empty($this->shortUrl)) {
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$this->shortUrl = link_small_hash($this->created, $this->id);
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}
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return $this;
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}
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/**
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* Get the Id.
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*
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* @return int|null
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*/
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public function getId(): ?int
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{
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return $this->id;
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}
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/**
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* Get the ShortUrl.
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*
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* @return string|null
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*/
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public function getShortUrl(): ?string
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{
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return $this->shortUrl;
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}
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/**
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* Get the Url.
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*
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* @return string|null
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*/
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public function getUrl(): ?string
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{
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return $this->url;
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}
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/**
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* Get the Title.
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*
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* @return string
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*/
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public function getTitle(): ?string
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{
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return $this->title;
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}
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/**
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* Get the Description.
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*
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* @return string
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*/
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public function getDescription(): string
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{
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return ! empty($this->description) ? $this->description : '';
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}
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/**
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* Get the Created.
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*
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* @return DateTimeInterface
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*/
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public function getCreated(): ?DateTimeInterface
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{
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return $this->created;
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}
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/**
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* Get the Updated.
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*
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* @return DateTimeInterface
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*/
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public function getUpdated(): ?DateTimeInterface
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{
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return $this->updated;
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}
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/**
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* Set the ShortUrl.
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*
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* @param string|null $shortUrl
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*
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* @return Bookmark
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*/
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public function setShortUrl(?string $shortUrl): Bookmark
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{
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$this->shortUrl = $shortUrl;
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return $this;
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}
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/**
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* Set the Url.
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*
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* @param string|null $url
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* @param string[] $allowedProtocols
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*
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* @return Bookmark
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*/
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public function setUrl(?string $url, array $allowedProtocols = []): Bookmark
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{
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$url = $url !== null ? trim($url) : '';
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if (! empty($url)) {
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$url = whitelist_protocols($url, $allowedProtocols);
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}
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$this->url = $url;
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return $this;
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}
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/**
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* Set the Title.
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*
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* @param string|null $title
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*
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* @return Bookmark
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*/
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public function setTitle(?string $title): Bookmark
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{
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$this->title = $title !== null ? trim($title) : '';
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return $this;
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}
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/**
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* Set the Description.
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*
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* @param string|null $description
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*
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* @return Bookmark
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*/
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public function setDescription(?string $description): Bookmark
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{
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$this->description = $description;
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return $this;
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}
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/**
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* Set the Created.
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* Note: you shouldn't set this manually except for special cases (like bookmark import)
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*
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* @param DateTimeInterface|null $created
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*
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* @return Bookmark
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*/
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public function setCreated(?DateTimeInterface $created): Bookmark
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{
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$this->created = $created;
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return $this;
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}
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/**
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* Set the Updated.
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*
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* @param DateTimeInterface|null $updated
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*
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* @return Bookmark
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*/
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public function setUpdated(?DateTimeInterface $updated): Bookmark
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{
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$this->updated = $updated;
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return $this;
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}
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/**
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* Get the Private.
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*
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* @return bool
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*/
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public function isPrivate(): bool
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{
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return $this->private ? true : false;
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}
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/**
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* Set the Private.
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*
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* @param bool|null $private
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*
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* @return Bookmark
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*/
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public function setPrivate(?bool $private): Bookmark
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{
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$this->private = $private ? true : false;
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return $this;
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}
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/**
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* Get the Tags.
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*
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* @return string[]
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*/
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public function getTags(): array
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{
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return is_array($this->tags) ? $this->tags : [];
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}
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/**
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* Set the Tags.
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*
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* @param string[]|null $tags
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*
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* @return Bookmark
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*/
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public function setTags(?array $tags): Bookmark
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{
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$this->setTagsString(implode(' ', $tags ?? []));
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return $this;
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}
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/**
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* Get the Thumbnail.
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*
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* @return string|bool|null Thumbnail's URL - initialized at null, false if no thumbnail could be found
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*/
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public function getThumbnail()
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{
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return !$this->isNote() ? $this->thumbnail : false;
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}
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/**
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* Set the Thumbnail.
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*
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* @param string|bool|null $thumbnail Thumbnail's URL - false if no thumbnail could be found
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*
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* @return Bookmark
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*/
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public function setThumbnail($thumbnail): Bookmark
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{
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$this->thumbnail = $thumbnail;
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return $this;
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}
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/**
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* Return true if:
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* - the bookmark's thumbnail is not already set to false (= not found)
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* - it's not a note
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* - it's an HTTP(S) link
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* - the thumbnail has not yet be retrieved (null) or its associated cache file doesn't exist anymore
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*
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* @return bool True if the bookmark's thumbnail needs to be retrieved.
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*/
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public function shouldUpdateThumbnail(): bool
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{
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return $this->thumbnail !== false
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&& !$this->isNote()
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&& startsWith(strtolower($this->url), 'http')
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&& (null === $this->thumbnail || !is_file($this->thumbnail))
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;
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}
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/**
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* Get the Sticky.
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*
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* @return bool
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*/
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public function isSticky(): bool
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{
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return $this->sticky ? true : false;
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}
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/**
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* Set the Sticky.
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*
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* @param bool|null $sticky
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*
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* @return Bookmark
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*/
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public function setSticky(?bool $sticky): Bookmark
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{
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$this->sticky = $sticky ? true : false;
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return $this;
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}
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/**
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* @return string Bookmark's tags as a string, separated by a space
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*/
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public function getTagsString(): string
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{
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return implode(' ', $this->getTags());
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}
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/**
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* @return bool
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*/
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public function isNote(): bool
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{
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// We check empty value to get a valid result if the link has not been saved yet
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return empty($this->url) || startsWith($this->url, '/shaare/') || $this->url[0] === '?';
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}
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/**
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* Set tags from a string.
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* Note:
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* - tags must be separated whether by a space or a comma
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* - multiple spaces will be removed
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* - trailing dash in tags will be removed
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*
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* @param string|null $tags
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*
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* @return $this
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*/
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public function setTagsString(?string $tags): Bookmark
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{
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// Remove first '-' char in tags.
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$tags = preg_replace('/(^| )\-/', '$1', $tags ?? '');
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// Explode all tags separted by spaces or commas
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$tags = preg_split('/[\s,]+/', $tags);
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// Remove eventual empty values
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$tags = array_values(array_filter($tags));
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$this->tags = $tags;
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return $this;
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}
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/**
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* Get entire additionalContent array.
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*
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* @return mixed[]
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*/
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public function getAdditionalContent(): array
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{
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return $this->additionalContent;
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}
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/**
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* Set a single entry in additionalContent, by key.
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*
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* @param string $key
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* @param mixed|null $value Any type of value can be set.
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*
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* @return $this
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*/
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public function addAdditionalContentEntry(string $key, $value): self
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{
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$this->additionalContent[$key] = $value;
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return $this;
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}
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/**
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* Get a single entry in additionalContent, by key.
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*
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* @param string $key
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* @param mixed|null $default
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*
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* @return mixed|null can be any type or even null.
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*/
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public function getAdditionalContentEntry(string $key, $default = null)
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{
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return array_key_exists($key, $this->additionalContent) ? $this->additionalContent[$key] : $default;
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}
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/**
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* Rename a tag in tags list.
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*
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* @param string $fromTag
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* @param string $toTag
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*/
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public function renameTag(string $fromTag, string $toTag): void
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{
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if (($pos = array_search($fromTag, $this->tags)) !== false) {
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$this->tags[$pos] = trim($toTag);
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}
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}
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/**
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* Delete a tag from tags list.
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*
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* @param string $tag
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*/
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public function deleteTag(string $tag): void
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{
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if (($pos = array_search($tag, $this->tags)) !== false) {
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unset($this->tags[$pos]);
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$this->tags = array_values($this->tags);
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}
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}
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}
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