In the second code snippet provided, what is the significance of using 'selected="selected"' instead of just 'SELECTED'?

When using HTML, the attribute 'selected' should be set to 'selected' in order to indicate that an option in a dropdown menu is selected. Using 'SELECTED' instead of 'selected' may not work as expected because HTML is case-sensitive. By setting 'selected="selected"', we ensure that the option is correctly marked as selected.

&lt;select name=&quot;dropdown&quot;&gt;
    &lt;option value=&quot;1&quot; &lt;?php if($selectedOption == 1) echo &#039;selected=&quot;selected&quot;&#039;; ?&gt;&gt;Option 1&lt;/option&gt;
    &lt;option value=&quot;2&quot; &lt;?php if($selectedOption == 2) echo &#039;selected=&quot;selected&quot;&#039;; ?&gt;&gt;Option 2&lt;/option&gt;
    &lt;option value=&quot;3&quot; &lt;?php if($selectedOption == 3) echo &#039;selected=&quot;selected&quot;&#039;; ?&gt;&gt;Option 3&lt;/option&gt;
&lt;/select&gt;

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PHP HTML select tag selected attribute syntax.

In the second code snippet provided, what is the significance of using 'selected="selected"' instead of just 'SELECTED'?

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