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caisse-bliss/v1/.phpdoc/build/classes/Symfony-Contracts-Cache-ItemInterface.html
Tykayn 501795a8fa up to sf 7
2025-02-09 16:45:35 +01:00

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<article class="phpdocumentor-element -interface">
<h2 class="phpdocumentor-content__title">
ItemInterface
<span class="phpdocumentor-element__extends">
extends
<a href="classes/Psr-Cache-CacheItemInterface.html"><abbr title="\Psr\Cache\CacheItemInterface">CacheItemInterface</abbr></a> </span>
<div class="phpdocumentor-element__package">
in
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<li><a href="packages/Application.html">Application</a></li>
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</h2>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/symfony/cache-contracts/ItemInterface.php"><a href="files/vendor-symfony-cache-contracts-iteminterface.html"><abbr title="vendor/symfony/cache-contracts/ItemInterface.php">ItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">23</span>
</aside>
<p class="phpdocumentor-summary">Augments PSR-6&#039;s CacheItemInterface with support for tags and metadata.</p>
<h5 class="phpdocumentor-tag-list__heading" id="tags">
Tags
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#tags" class="headerlink"><i class="fas fa-link"></i></a>
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<dl class="phpdocumentor-tag-list">
<dt class="phpdocumentor-tag-list__entry">
<span class="phpdocumentor-tag__name">author</span>
</dt>
<dd class="phpdocumentor-tag-list__definition">
<section class="phpdocumentor-description"><p>Nicolas Grekas <a href="mailto:p@tchwork.com">p@tchwork.com</a></p>
</section>
</dd>
</dl>
<h3 id="toc">
Table of Contents
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#toc" class="headerlink"><i class="fas fa-link"></i></a>
</h3>
<h4 id="toc-constants">
Constants
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#toc-constants" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<dl class="phpdocumentor-table-of-contents">
<dt class="phpdocumentor-table-of-contents__entry -constant -public">
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_METADATA_CTIME">METADATA_CTIME</a>
<span>
&nbsp;= &#039;ctime&#039; </span>
</dt>
<dd>References the time the item took to be created, in milliseconds.</dd>
<dt class="phpdocumentor-table-of-contents__entry -constant -public">
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_METADATA_EXPIRY">METADATA_EXPIRY</a>
<span>
&nbsp;= &#039;expiry&#039; </span>
</dt>
<dd>References the Unix timestamp stating when the item will expire.</dd>
<dt class="phpdocumentor-table-of-contents__entry -constant -public">
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_METADATA_TAGS">METADATA_TAGS</a>
<span>
&nbsp;= &#039;tags&#039; </span>
</dt>
<dd>References the list of tags that were assigned to the item, as string[].</dd>
<dt class="phpdocumentor-table-of-contents__entry -constant -public">
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_RESERVED_CHARACTERS">RESERVED_CHARACTERS</a>
<span>
&nbsp;= &#039;{}()/\\@:&#039; </span>
</dt>
<dd>Reserved characters that cannot be used in a key or tag.</dd>
</dl>
<h4 id="toc-methods">
Methods
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#toc-methods" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<dl class="phpdocumentor-table-of-contents">
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/Psr-Cache-CacheItemInterface.html#method_expiresAfter">expiresAfter()</a>
<span>
&nbsp;: static </span>
</dt>
<dd>Sets the expiration time for this cache item.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/Psr-Cache-CacheItemInterface.html#method_expiresAt">expiresAt()</a>
<span>
&nbsp;: static </span>
</dt>
<dd>Sets the expiration time for this cache item.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/Psr-Cache-CacheItemInterface.html#method_get">get()</a>
<span>
&nbsp;: mixed </span>
</dt>
<dd>Retrieves the value of the item from the cache associated with this object&#039;s key.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/Psr-Cache-CacheItemInterface.html#method_getKey">getKey()</a>
<span>
&nbsp;: string </span>
</dt>
<dd>Returns the key for the current cache item.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#method_getMetadata">getMetadata()</a>
<span>
&nbsp;: array&lt;string|int, mixed&gt; </span>
</dt>
<dd>Returns a list of metadata info that were saved alongside with the cached value.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/Psr-Cache-CacheItemInterface.html#method_isHit">isHit()</a>
<span>
&nbsp;: bool </span>
</dt>
<dd>Confirms if the cache item lookup resulted in a cache hit.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/Psr-Cache-CacheItemInterface.html#method_set">set()</a>
<span>
&nbsp;: static </span>
</dt>
<dd>Sets the value represented by this cache item.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#method_tag">tag()</a>
<span>
&nbsp;: $this </span>
</dt>
<dd>Adds a tag to a cache item.</dd>
</dl>
<section class="phpdocumentor-constants">
<h3 class="phpdocumentor-elements__header" id="constants">
Constants
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constants" class="headerlink"><i class="fas fa-link"></i></a>
</h3>
<article class="phpdocumentor-element -constant -public ">
<h4 class="phpdocumentor-element__name" id="constant_METADATA_CTIME">
METADATA_CTIME
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_METADATA_CTIME" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/symfony/cache-contracts/ItemInterface.php"><a href="files/vendor-symfony-cache-contracts-iteminterface.html"><abbr title="vendor/symfony/cache-contracts/ItemInterface.php">ItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">33</span>
</aside>
<p class="phpdocumentor-summary">References the time the item took to be created, in milliseconds.</p>
<code class="phpdocumentor-signature phpdocumentor-code ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__type">mixed</span>
<span class="phpdocumentor-signature__name">METADATA_CTIME</span>
= <span class="phpdocumentor-signature__default-value">&#039;ctime&#039;</span>
</code>
</article>
<article class="phpdocumentor-element -constant -public ">
<h4 class="phpdocumentor-element__name" id="constant_METADATA_EXPIRY">
METADATA_EXPIRY
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_METADATA_EXPIRY" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/symfony/cache-contracts/ItemInterface.php"><a href="files/vendor-symfony-cache-contracts-iteminterface.html"><abbr title="vendor/symfony/cache-contracts/ItemInterface.php">ItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">28</span>
</aside>
<p class="phpdocumentor-summary">References the Unix timestamp stating when the item will expire.</p>
<code class="phpdocumentor-signature phpdocumentor-code ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__type">mixed</span>
<span class="phpdocumentor-signature__name">METADATA_EXPIRY</span>
= <span class="phpdocumentor-signature__default-value">&#039;expiry&#039;</span>
</code>
</article>
<article class="phpdocumentor-element -constant -public ">
<h4 class="phpdocumentor-element__name" id="constant_METADATA_TAGS">
METADATA_TAGS
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_METADATA_TAGS" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/symfony/cache-contracts/ItemInterface.php"><a href="files/vendor-symfony-cache-contracts-iteminterface.html"><abbr title="vendor/symfony/cache-contracts/ItemInterface.php">ItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">38</span>
</aside>
<p class="phpdocumentor-summary">References the list of tags that were assigned to the item, as string[].</p>
<code class="phpdocumentor-signature phpdocumentor-code ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__type">mixed</span>
<span class="phpdocumentor-signature__name">METADATA_TAGS</span>
= <span class="phpdocumentor-signature__default-value">&#039;tags&#039;</span>
</code>
</article>
<article class="phpdocumentor-element -constant -public ">
<h4 class="phpdocumentor-element__name" id="constant_RESERVED_CHARACTERS">
RESERVED_CHARACTERS
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_RESERVED_CHARACTERS" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/symfony/cache-contracts/ItemInterface.php"><a href="files/vendor-symfony-cache-contracts-iteminterface.html"><abbr title="vendor/symfony/cache-contracts/ItemInterface.php">ItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">43</span>
</aside>
<p class="phpdocumentor-summary">Reserved characters that cannot be used in a key or tag.</p>
<code class="phpdocumentor-signature phpdocumentor-code ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__type">mixed</span>
<span class="phpdocumentor-signature__name">RESERVED_CHARACTERS</span>
= <span class="phpdocumentor-signature__default-value">&#039;{}()/\\@:&#039;</span>
</code>
</article>
</section>
<section class="phpdocumentor-methods">
<h3 class="phpdocumentor-elements__header" id="methods">
Methods
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#methods" class="headerlink"><i class="fas fa-link"></i></a>
</h3>
<article
class="phpdocumentor-element
-method
-public
"
>
<h4 class="phpdocumentor-element__name" id="method_expiresAfter">
expiresAfter()
<a href="classes/Psr-Cache-CacheItemInterface.html#method_expiresAfter" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/psr/cache/src/CacheItemInterface.php"><a href="files/vendor-psr-cache-src-cacheiteminterface.html"><abbr title="vendor/psr/cache/src/CacheItemInterface.php">CacheItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">104</span>
</aside>
<p class="phpdocumentor-summary">Sets the expiration time for this cache item.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__name">expiresAfter</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int|<abbr title="\DateInterval">DateInterval</abbr>|null&nbsp;</span><span class="phpdocumentor-signature__argument__name">$time</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">static</span></code>
<div class="phpdocumentor-label-line">
</div>
<h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
<dl class="phpdocumentor-argument-list">
<dt class="phpdocumentor-argument-list__entry">
<span class="phpdocumentor-signature__argument__name">$time</span>
: <span class="phpdocumentor-signature__argument__return-type">int|<abbr title="\DateInterval">DateInterval</abbr>|null</span>
</dt>
<dd class="phpdocumentor-argument-list__definition">
<section class="phpdocumentor-description"><p>The period of time from the present after which the item MUST be considered
expired. An integer parameter is understood to be the time in seconds until
expiration. If null is passed explicitly, a default value MAY be used.
If none is set, the value should be stored permanently or for as long as the
implementation allows.</p>
</section>
</dd>
</dl>
<section>
<h5 class="phpdocumentor-return-value__heading">Return values</h5>
<span class="phpdocumentor-signature__response_type">static</span>
&mdash;
<section class="phpdocumentor-description"><p>The called object.</p>
</section>
</section>
</article>
<article
class="phpdocumentor-element
-method
-public
"
>
<h4 class="phpdocumentor-element__name" id="method_expiresAt">
expiresAt()
<a href="classes/Psr-Cache-CacheItemInterface.html#method_expiresAt" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/psr/cache/src/CacheItemInterface.php"><a href="files/vendor-psr-cache-src-cacheiteminterface.html"><abbr title="vendor/psr/cache/src/CacheItemInterface.php">CacheItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">89</span>
</aside>
<p class="phpdocumentor-summary">Sets the expiration time for this cache item.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__name">expiresAt</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type"><abbr title="\DateTimeInterface">DateTimeInterface</abbr>|null&nbsp;</span><span class="phpdocumentor-signature__argument__name">$expiration</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">static</span></code>
<div class="phpdocumentor-label-line">
</div>
<h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
<dl class="phpdocumentor-argument-list">
<dt class="phpdocumentor-argument-list__entry">
<span class="phpdocumentor-signature__argument__name">$expiration</span>
: <span class="phpdocumentor-signature__argument__return-type"><abbr title="\DateTimeInterface">DateTimeInterface</abbr>|null</span>
</dt>
<dd class="phpdocumentor-argument-list__definition">
<section class="phpdocumentor-description"><p>The point in time after which the item MUST be considered expired.
If null is passed explicitly, a default value MAY be used. If none is set,
the value should be stored permanently or for as long as the
implementation allows.</p>
</section>
</dd>
</dl>
<section>
<h5 class="phpdocumentor-return-value__heading">Return values</h5>
<span class="phpdocumentor-signature__response_type">static</span>
&mdash;
<section class="phpdocumentor-description"><p>The called object.</p>
</section>
</section>
</article>
<article
class="phpdocumentor-element
-method
-public
"
>
<h4 class="phpdocumentor-element__name" id="method_get">
get()
<a href="classes/Psr-Cache-CacheItemInterface.html#method_get" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/psr/cache/src/CacheItemInterface.php"><a href="files/vendor-psr-cache-src-cacheiteminterface.html"><abbr title="vendor/psr/cache/src/CacheItemInterface.php">CacheItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">49</span>
</aside>
<p class="phpdocumentor-summary">Retrieves the value of the item from the cache associated with this object&#039;s key.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__name">get</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">mixed</span></code>
<div class="phpdocumentor-label-line">
</div>
<section class="phpdocumentor-description"><p>The value returned must be identical to the value originally stored by set().</p>
<p>If isHit() returns false, this method MUST return null. Note that null
is a legitimate cached value, so the isHit() method SHOULD be used to
differentiate between &quot;null value was found&quot; and &quot;no value was found.&quot;</p>
</section>
<section>
<h5 class="phpdocumentor-return-value__heading">Return values</h5>
<span class="phpdocumentor-signature__response_type">mixed</span>
&mdash;
<section class="phpdocumentor-description"><p>The value corresponding to this cache item's key, or null if not found.</p>
</section>
</section>
</article>
<article
class="phpdocumentor-element
-method
-public
"
>
<h4 class="phpdocumentor-element__name" id="method_getKey">
getKey()
<a href="classes/Psr-Cache-CacheItemInterface.html#method_getKey" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/psr/cache/src/CacheItemInterface.php"><a href="files/vendor-psr-cache-src-cacheiteminterface.html"><abbr title="vendor/psr/cache/src/CacheItemInterface.php">CacheItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">35</span>
</aside>
<p class="phpdocumentor-summary">Returns the key for the current cache item.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__name">getKey</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
<div class="phpdocumentor-label-line">
</div>
<section class="phpdocumentor-description"><p>The key is loaded by the Implementing Library, but should be available to
the higher level callers when needed.</p>
</section>
<section>
<h5 class="phpdocumentor-return-value__heading">Return values</h5>
<span class="phpdocumentor-signature__response_type">string</span>
&mdash;
<section class="phpdocumentor-description"><p>The key string for this cache item.</p>
</section>
</section>
</article>
<article
class="phpdocumentor-element
-method
-public
"
>
<h4 class="phpdocumentor-element__name" id="method_getMetadata">
getMetadata()
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#method_getMetadata" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/symfony/cache-contracts/ItemInterface.php"><a href="files/vendor-symfony-cache-contracts-iteminterface.html"><abbr title="vendor/symfony/cache-contracts/ItemInterface.php">ItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">64</span>
</aside>
<p class="phpdocumentor-summary">Returns a list of metadata info that were saved alongside with the cached value.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__name">getMetadata</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">array&lt;string|int, mixed&gt;</span></code>
<div class="phpdocumentor-label-line">
</div>
<section class="phpdocumentor-description"><p>See ItemInterface::METADATA_* consts for keys potentially found in the returned array.</p>
</section>
<section>
<h5 class="phpdocumentor-return-value__heading">Return values</h5>
<span class="phpdocumentor-signature__response_type">array&lt;string|int, mixed&gt;</span>
</section>
</article>
<article
class="phpdocumentor-element
-method
-public
"
>
<h4 class="phpdocumentor-element__name" id="method_isHit">
isHit()
<a href="classes/Psr-Cache-CacheItemInterface.html#method_isHit" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/psr/cache/src/CacheItemInterface.php"><a href="files/vendor-psr-cache-src-cacheiteminterface.html"><abbr title="vendor/psr/cache/src/CacheItemInterface.php">CacheItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">60</span>
</aside>
<p class="phpdocumentor-summary">Confirms if the cache item lookup resulted in a cache hit.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__name">isHit</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">bool</span></code>
<div class="phpdocumentor-label-line">
</div>
<section class="phpdocumentor-description"><p>Note: This method MUST NOT have a race condition between calling isHit()
and calling get().</p>
</section>
<section>
<h5 class="phpdocumentor-return-value__heading">Return values</h5>
<span class="phpdocumentor-signature__response_type">bool</span>
&mdash;
<section class="phpdocumentor-description"><p>True if the request resulted in a cache hit. False otherwise.</p>
</section>
</section>
</article>
<article
class="phpdocumentor-element
-method
-public
"
>
<h4 class="phpdocumentor-element__name" id="method_set">
set()
<a href="classes/Psr-Cache-CacheItemInterface.html#method_set" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/psr/cache/src/CacheItemInterface.php"><a href="files/vendor-psr-cache-src-cacheiteminterface.html"><abbr title="vendor/psr/cache/src/CacheItemInterface.php">CacheItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">75</span>
</aside>
<p class="phpdocumentor-summary">Sets the value represented by this cache item.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__name">set</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">mixed&nbsp;</span><span class="phpdocumentor-signature__argument__name">$value</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">static</span></code>
<div class="phpdocumentor-label-line">
</div>
<section class="phpdocumentor-description"><p>The $value argument may be any item that can be serialized by PHP,
although the method of serialization is left up to the Implementing
Library.</p>
</section>
<h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
<dl class="phpdocumentor-argument-list">
<dt class="phpdocumentor-argument-list__entry">
<span class="phpdocumentor-signature__argument__name">$value</span>
: <span class="phpdocumentor-signature__argument__return-type">mixed</span>
</dt>
<dd class="phpdocumentor-argument-list__definition">
<section class="phpdocumentor-description"><p>The serializable value to be stored.</p>
</section>
</dd>
</dl>
<section>
<h5 class="phpdocumentor-return-value__heading">Return values</h5>
<span class="phpdocumentor-signature__response_type">static</span>
&mdash;
<section class="phpdocumentor-description"><p>The invoked object.</p>
</section>
</section>
</article>
<article
class="phpdocumentor-element
-method
-public
"
>
<h4 class="phpdocumentor-element__name" id="method_tag">
tag()
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#method_tag" class="headerlink"><i class="fas fa-link"></i></a>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="vendor/symfony/cache-contracts/ItemInterface.php"><a href="files/vendor-symfony-cache-contracts-iteminterface.html"><abbr title="vendor/symfony/cache-contracts/ItemInterface.php">ItemInterface.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">57</span>
</aside>
<p class="phpdocumentor-summary">Adds a tag to a cache item.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">public</span>
<span class="phpdocumentor-signature__name">tag</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string|array&lt;string|int, string&gt;&nbsp;</span><span class="phpdocumentor-signature__argument__name">$tags</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">$this</span></code>
<div class="phpdocumentor-label-line">
</div>
<section class="phpdocumentor-description"><p>Tags are strings that follow the same validation rules as keys.</p>
</section>
<h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
<dl class="phpdocumentor-argument-list">
<dt class="phpdocumentor-argument-list__entry">
<span class="phpdocumentor-signature__argument__name">$tags</span>
: <span class="phpdocumentor-signature__argument__return-type">string|array&lt;string|int, string&gt;</span>
</dt>
<dd class="phpdocumentor-argument-list__definition">
<section class="phpdocumentor-description"><p>A tag or array of tags</p>
</section>
</dd>
</dl>
<h5 class="phpdocumentor-tag-list__heading" id="tags">
Tags
<a href="classes/Symfony-Contracts-Cache-ItemInterface.html#method_tag#tags" class="headerlink"><i class="fas fa-link"></i></a>
</h5>
<dl class="phpdocumentor-tag-list">
<dt class="phpdocumentor-tag-list__entry">
<span class="phpdocumentor-tag__name">throws</span>
</dt>
<dd class="phpdocumentor-tag-list__definition">
<span class="phpdocumentor-tag-link"><a href="classes/Psr-Cache-InvalidArgumentException.html"><abbr title="\Psr\Cache\InvalidArgumentException">InvalidArgumentException</abbr></a></span>
<section class="phpdocumentor-description"><p>When $tag is not valid</p>
</section>
</dd>
<dt class="phpdocumentor-tag-list__entry">
<span class="phpdocumentor-tag__name">throws</span>
</dt>
<dd class="phpdocumentor-tag-list__definition">
<span class="phpdocumentor-tag-link"><a href="classes/Psr-Cache-CacheException.html"><abbr title="\Psr\Cache\CacheException">CacheException</abbr></a></span>
<section class="phpdocumentor-description"><p>When the item comes from a pool that is not tag-aware</p>
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</dd>
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<h5 class="phpdocumentor-return-value__heading">Return values</h5>
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<li><a href="classes/Symfony-Contracts-Cache-ItemInterface.html#toc-constants">Constants</a></li>
<li><a href="classes/Symfony-Contracts-Cache-ItemInterface.html#toc-methods">Methods</a></li>
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<li><a href="classes/Psr-Cache-CacheItemInterface.html#method_expiresAfter">expiresAfter()</a></li>
<li><a href="classes/Psr-Cache-CacheItemInterface.html#method_expiresAt">expiresAt()</a></li>
<li><a href="classes/Psr-Cache-CacheItemInterface.html#method_get">get()</a></li>
<li><a href="classes/Psr-Cache-CacheItemInterface.html#method_getKey">getKey()</a></li>
<li><a href="classes/Symfony-Contracts-Cache-ItemInterface.html#method_getMetadata">getMetadata()</a></li>
<li><a href="classes/Psr-Cache-CacheItemInterface.html#method_isHit">isHit()</a></li>
<li><a href="classes/Psr-Cache-CacheItemInterface.html#method_set">set()</a></li>
<li><a href="classes/Symfony-Contracts-Cache-ItemInterface.html#method_tag">tag()</a></li>
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<li class="phpdocumentor-on-this-page-section__title">Constants</li>
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<li><a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_METADATA_CTIME">METADATA_CTIME</a></li>
<li><a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_METADATA_EXPIRY">METADATA_EXPIRY</a></li>
<li><a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_METADATA_TAGS">METADATA_TAGS</a></li>
<li><a href="classes/Symfony-Contracts-Cache-ItemInterface.html#constant_RESERVED_CHARACTERS">RESERVED_CHARACTERS</a></li>
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