How to remove html tags in php

In php, you can use the strip_tags() function to remove html tags, the syntax is "strip_tags(string,allow)"; this function is used to strip HTM, PHP and other tags in the string, the parameter " allow" is used to specify the tags that need to be retained. If omitted, all tags will be deleted.

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, you can use strip_tags () function to remove html tags.

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

strip_tags() function accepts two parameters:

strip_tags(string,allow)

If the "allow" parameter is omitted, all tags in the string will be deleted.

Example:

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$str = "Hello <b><i>world!</i></b>";
echo $str;
echo "<br>删除全部标签后： ".strip_tags($str);
echo "<br>保留b标签： ".strip_tags($str,"<b>");
?>

It can be seen that if the strip_tags() function omits the "allow" parameter, all tags will be deleted; if this parameter is set , you can retain specified tags, such as the tag in the above example, to achieve a bold effect.

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