php String Filtering strip_tags of Function Usage Example Analysis

This article illustrates the use of the php string filtering strip_tags () function. Share it for your reference, as follows:

strip_tags-Removes HTML and PHP tags from a string, very important function

(PHP 4, PHP 5, PHP 7)

string strip_tags ( string $str [, string $allowable_tags ] )

$str: Enter a string.
$allowable_tags: Optional, specifying a list of characters that are not removed.

What you do: Strip the HTML, XML, and PHP labels from the string.

Return value: Returns the stripped string.

<?php
$str = '<p><a href="jinsanguo.com" title=" Gold 3 Countries "><b><i> I'm from Kim 3 Countries </i></b></a></p>';
echo strip_tags($str); 
// When you right-click to view the source code, the output : I'm from Kim 3 Countries 
echo strip_tags($str,"<a>");
// When you right-click to view the source code, the output is: <a href="jinsanguo.com" title=" Gold 3 Countries "> I'm from Kim 3 Countries </a>
echo strip_tags($str,"<p> <b>");
// When you right-click to view the source code, the output is: <p><b> I'm from Kim 3 Countries </b></p>
echo strip_tags($str,"<p> <b> <a>");
// When you right-click to view the source code, the output is: <p><a href="jinsanguo.com" title=" Gold 3 Countries "><b> I'm from Kim 3 Countries </b></a></p>
?>

Run results:

I come from three countries of gold
< a href= "jinsanguo. com" title= "Gold 3" > I come from three countries of gold < /a >
< p > < b > I come from three countries of gold < /b > < /p >
< p > < a href= "jinsanguo. com" title= "Gold 3" > < b > I come from three countries of gold < /b > < /a > < /p >

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