What is the best way to maintain the selected option in a dropdown list after submitting a form in PHP?

When submitting a form in PHP that includes a dropdown list, the selected option may not be maintained after the form is submitted. To maintain the selected option, you can use PHP to check if each option in the dropdown list matches the submitted value and add the "selected" attribute to the matching option.

&lt;select name=&quot;dropdown&quot;&gt;
    &lt;option value=&quot;option1&quot; &lt;?php if(isset($_POST[&#039;dropdown&#039;]) &amp;&amp; $_POST[&#039;dropdown&#039;] == &#039;option1&#039;) echo &#039;selected&#039;; ?&gt;&gt;Option 1&lt;/option&gt;
    &lt;option value=&quot;option2&quot; &lt;?php if(isset($_POST[&#039;dropdown&#039;]) &amp;&amp; $_POST[&#039;dropdown&#039;] == &#039;option2&#039;) echo &#039;selected&#039;; ?&gt;&gt;Option 2&lt;/option&gt;
    &lt;option value=&quot;option3&quot; &lt;?php if(isset($_POST[&#039;dropdown&#039;]) &amp;&amp; $_POST[&#039;dropdown&#039;] == &#039;option3&#039;) echo &#039;selected&#039;; ?&gt;&gt;Option 3&lt;/option&gt;
&lt;/select&gt;

Keywords

PHP form submission dropdown list selected option persistence

What is the best way to maintain the selected option in a dropdown list after submitting a form in PHP?

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