How to delete span tag in php

In PHP, you can use the strip_tags() function to delete span tags. This function can strip HTML, XML and PHP tags in a string. The syntax is "strip_tags(string,allow)"; allow is An optional parameter that specifies the tags that can be retained.

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

php delete span tag

In PHP, you can use the strip_tags() function to delete span tags.

<?php
header("Content-type:text/html;charset=utf-8");
$str = "<span style=&#39;color:red;&#39;>Hello</span> world!";
echo $str."<br>";
echo strip_tags($str)."<br>";
?>

Output result:

The strip_tags() function strips HTML, XML and PHP tags from the string. Syntax format:

strip_tags(string,allow)

• string Required. Specifies the string to check.

• #allow Optional. Specifies allowed tags. These tags will not be deleted.

<?php
header("Content-type:text/html;charset=utf-8");
$str = "<span style=&#39;color:red;&#39;>Hello</span> <b>world!</b>";
echo $str."<br>";
echo strip_tags($str)."<br>";
echo strip_tags($str,"<b>")."<br>";
?>

Output result:

Comments: This function always strips HTML comments. This cannot be changed via the allow parameter.

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