What are some best practices for creating a simple database with dropdown menus in PHP?

When creating a simple database with dropdown menus in PHP, it is important to properly structure the database tables, create the dropdown menu using HTML <select> tags, populate the dropdown menu options from the database, and handle form submissions to update the database accordingly. 

&lt;?php
// Connect to database
$servername = &quot;localhost&quot;;
$username = &quot;username&quot;;
$password = &quot;password&quot;;
$dbname = &quot;database&quot;;
$conn = new mysqli($servername, $username, $password, $dbname);

// Query to fetch dropdown options from database
$sql = &quot;SELECT id, option_name FROM dropdown_options&quot;;
$result = $conn-&gt;query($sql);

// Create dropdown menu
echo &#039;&lt;select name=&quot;dropdown&quot;&gt;&#039;;
while($row = $result-&gt;fetch_assoc()) {
    echo &#039;&lt;option value=&quot;&#039; . $row[&#039;id&#039;] . &#039;&quot;&gt;&#039; . $row[&#039;option_name&#039;] . &#039;&lt;/option&gt;&#039;;
}
echo &#039;&lt;/select&gt;&#039;;

// Handle form submission
if ($_SERVER[&quot;REQUEST_METHOD&quot;] == &quot;POST&quot;) {
    $selected_option = $_POST[&#039;dropdown&#039;];
    // Perform database update based on selected option
}
?&gt;

Keywords

PHP database dropdown menus SQL form handling

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