What is the purpose of using the multiple attribute in a select field in PHP forms?

When using the multiple attribute in a select field in PHP forms, it allows users to select multiple options from a dropdown list. This is useful when you want to allow users to select more than one option at a time, such as selecting multiple categories for a post or selecting multiple items to add to a shopping cart.

&lt;select name=&quot;categories[]&quot; multiple&gt;
    &lt;option value=&quot;1&quot;&gt;Category 1&lt;/option&gt;
    &lt;option value=&quot;2&quot;&gt;Category 2&lt;/option&gt;
    &lt;option value=&quot;3&quot;&gt;Category 3&lt;/option&gt;
&lt;/select&gt;

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PHP select field multiple attribute forms web development

What is the purpose of using the multiple attribute in a select field in PHP forms?

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