In what situations would it be more appropriate to use PHP for dynamic content updates, such as displaying smilies, compared to JavaScript?

When the dynamic content updates involve server-side processing or database interactions, it would be more appropriate to use PHP. This is because PHP is a server-side scripting language that can handle these tasks efficiently. On the other hand, JavaScript is more suitable for client-side interactions and user interface enhancements. 

// PHP code snippet to display smilies dynamically
$smilies = array(
    ":)" => "😊",
    ":D" => "😄",
    ":(" => "😞"
);

$content = "Hello, I am feeling happy today :)";

foreach($smilies as $key => $value) {
    $content = str_replace($key, $value, $content);
}

echo $content;

Keywords

PHP dynamic content smilies JavaScript updates

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