Default Values With htmlspecialchars()¶

The default values of htmlspecialchars() were changed in PHP 8.1. It was ENT_COMPAT and it is now replaced with ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401.

In particular, it means that ', single quote, is now converted in HTML entities.

PHP code¶

<?php

echo htmlspecialchars("'");

?>

Before¶

After¶

PHP version change¶

This behavior changed in 8.1

See Also¶

htmlspecialchars