PHP strip_tags() Function

Strip the string from HTML tags:

<?php
echo strip_tags("Hello world!");
?>

Definition and Usage

The strip_tags() function strips a string from HTML, XML, and PHP tags.

Note: HTML comments are always stripped. This cannot be changed with the allow parameter.

Note: This function is binary-safe.

strip_tags(string,allow)

Parameter	Description
string	Required. Specifies the string to check
allow	Optional. Specifies allowable tags. These tags will not be removed

Return Value:	Returns the stripped string
PHP Version:	4+
Changelog:	As of PHP 5.3.4, this function ignores self-closing XHTML tags (like <br />) in allow parameter As of PHP 5.0, this function is binary-safe. As of PHP 4.3, HTML comments are always stripped.

Strip the string from HTML tags, but allow tags to be used:

<?php
echo strip_tags("Hello world!","");
?>