remove html from string php

1<?php
2	echo strip_tags("Hello <b>world!</b>");

1echo strip_tags("Hello <b>world!</b>");

1<?php
2$text = '<p>Test paragraph.</p><!-- Comment --> <a href="#fragment">Other text</a>';
3echo strip_tags($text);
4//Test paragraph. Other text
5
6// Allow <p> and <a>
7echo strip_tags($text, '<p><a>');
8//<p>Test paragraph.</p> <a href="#fragment">Other text</a>
9// as of PHP 7.4.0 the line above can be written as:
10// echo strip_tags($text, ['p', 'a']);
11?>
12
13