IntervalItem::$intervalPlugin is not reset on value update
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3118534. -->
Reported by: [sergei_brill](https://www.drupal.org/user/2306590)
>>>
<p>If you change value of a field of type interval and call method IntervalItem::getIntervalPlugin (directly or indirectly) before and after the value changed, in last call you may get wrong plugin.<br>
Code to reproduce the bug:</p>
<div class="codeblock">
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br>$entity</span><span style="color: #007700">-></span><span style="color: #0000BB">set</span><span style="color: #007700">(</span><span style="color: #DD0000">'interval'</span><span style="color: #007700">, [</span><span style="color: #DD0000">'interval' </span><span style="color: #007700">=> </span><span style="color: #0000BB">20</span><span style="color: #007700">, </span><span style="color: #DD0000">'period' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'minute'</span><span style="color: #007700">]);<br></span><span style="color: #0000BB">$entity</span><span style="color: #007700">-></span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">'interval'</span><span style="color: #007700">)-></span><span style="color: #0000BB">first</span><span style="color: #007700">()-></span><span style="color: #0000BB">buildPHPString</span><span style="color: #007700">(); </span><span style="color: #FF8000">// returns '20 minutes'<br></span><span style="color: #0000BB">$entity</span><span style="color: #007700">-></span><span style="color: #0000BB">set</span><span style="color: #007700">(</span><span style="color: #DD0000">'interval'</span><span style="color: #007700">, [</span><span style="color: #DD0000">'interval' </span><span style="color: #007700">=> </span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #DD0000">'period' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'hour'</span><span style="color: #007700">]);<br></span><span style="color: #0000BB">$entity</span><span style="color: #007700">-></span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">'interval'</span><span style="color: #007700">)-></span><span style="color: #0000BB">first</span><span style="color: #007700">()-></span><span style="color: #0000BB">buildPHPString</span><span style="color: #007700">(); </span><span style="color: #FF8000">// returns '2 minutes' but '2 hours' expected<br></span><span style="color: #0000BB">?></span></span></pre></div>
<p>This happens because interval plugin gets 'cached' in the class property and is not reset on value change.</p>
issue
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Project: project/interval
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Repository: https://git.drupalcode.org/project/interval
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