How can strip_tags() be used effectively to remove HTML tags from a string in PHP?

To remove HTML tags from a string in PHP, you can use the strip_tags() function. This function takes a string as input and returns the string with all HTML tags removed. It is a simple and effective way to sanitize user input or clean up HTML content.

$string = "<p>Hello, <b>world</b>!</p>";
$clean_string = strip_tags($string);
echo $clean_string;