php remove all tags code example

Example 1: Remove all attributes from HTML tags in PHP

$text = '<div class="test"><p onmousemove="javascript:alert(1);">Clean <a href="#">text</a></p></div>';

$cleanText = preg_replace("/<([a-z][a-z0-9]*)[^>]*?(\/?)>/si",'<$1$2>', $text);

Example 2: php remove html tags

<?php
$text = '<p>Test paragraph.</p><!-- Comment --> <a href="#fragment">Other text</a>';
echo strip_tags($text);
//Test paragraph. Other text

// Allow <p> and <a>
echo strip_tags($text, '<p><a>');
//<p>Test paragraph.</p> <a href="#fragment">Other text</a>
// as of PHP 7.4.0 the line above can be written as:
// echo strip_tags($text, ['p', 'a']);
?>