Emoji
Emojis are small digital images or icons used to express ideas, emotions, objects, or concepts in electronic communication. The word emoji comes from Japanese, combining e, picture and moji, character or letter.
<?php
// Emoji, directly in the string, when the file is also supporting Unicode, like with UTF8
echo "Hello 😊";
// Emoji, with a PHP escape sequence
echo "\u{1F60A}";
// Emoji, with an HTML escape sequence
echo "😊";
?>