PHP Filters HTML tags in a variety of ways

Method One
<?php

The code is as follows	Copy Code
echo strip_tags ("Hello <b>world!</b>");

Strip_tags---To remove html and PHP tags from strings

Syntax: string strip_tags (String str [, String allowable_tags])

Description

This function tries to remove all HTML and PHP tags from the given string, and if it is an incomplete or false label, there is an error, and the FGETSS () uses the same method to remove the tag.

The code is as follows	Copy Code
$reg = '/(</?p>|<brs*/?>) |<.+?>/i '; Echo preg_replace ($reg, ' $ ', $str); ?>

Filter Method Two

The code is as follows

Copy Code

function delhtml ($STR) {//Clear HTML tags $st =-1; Begin $et =-1; End $stmp =array (); $stmp []= "&nbsp;"; $len =strlen ($STR); for ($i =0; $i < $len; $i + +) { $ss =substr ($str, $i, 1); if (Ord ($SS) ==60) {//ord ("<") ==60 $st = $i; } if (Ord ($SS) ==62) {//ord (">") ==62 $et = $i; if ($st!=-1) { $stmp []=substr ($str, $st, $et-$st + 1); } } } $str =str_replace ($stmp, "", $str); return $str; }

Filtering Method Three

code is as follows

copy code

function Clear_html_label ($html) { $search = array ("' <script[^>]*?>.*?</script> ' si", "' <[/!] *? [^<>]*?> ' Si "," ' ([RN]) [s]+ ' "," ' & (quot| #34); ' I "," ' & (amp| #38); ' I "," ' & (lt| #60); ' I "," ' & (gt| #62); ' I "," ' & (nbsp| #160); ' I "," ' & (iexcl| #161); ' I "," ' & (cent| #162); ' I "," ' & (pound| #163); ' I "," ' & (copy| #169); ' I "," ' &# (d+); ' E "); $replace = Array ("", "", "1", "" "," & "," < "," > "," ", Chr (161), Chr (162), Chr (163), Chr (169)," Chr (1) "); /p> Return preg_replace ($search, $replace, $html); }

Instance Application

$string = ' aaa<br/> <SCRIPT>FDSAFSA ';
echo Clear_html_label ($string);//aaa FDSAFSA