PHP Filter Common Tags

<?php$str=preg_replace ("/\s+/",  " ",  $str);  //Filter Excess carriage return $str=preg_replace ("/<[ ]+/ Si "," < ", $str);  //filter <__ (with spaces behind" < ") $str =preg_replace ("/<\!–.*?–>/si "," ", $str)  //comment $str =preg_replace ("/< (\!. *?) >/si "," ", $str);  //filter Doctype$str=preg_replace ("/< (\/?html.*?) >/si "," ", $str);  //Filter HTML tag $str=preg_replace ("/< (\/?br.*?) >/si "," ", $str);  //filter br label $str=preg_replace ("/< (\/?head.*?) >/si "," ", $str);  //Filter head tag $str=preg_replace ("/< (\/?meta.*?) >/si "," ", $str);  //filter meta tag $str=preg_replace ("/< (\/?body.*?) >/si "," ", $str);  //Filter Body tag $str=preg_replace ("/< (\/?link.*?) >/si "," ", $str);  //Filter Link Tag $str=preg_replace ("/< (\/?form.*?) >/si "," ", $str);  //Filter Form label $str=preg_replace ("/cookie/si "," Cookie ", $str);  //Filter Cookie Tag $str=preg_ Replace ("/< (applet.*?)" > (. *?) < (\/applet.*?) >/si "," ", $str);  //Filter Applet label $str=preg_replace ("/< (\/?applet.*?) >/si "," ", $str);  //Filter AppletLabel $str=preg_replace ("/< (style.*?) > (. *?) < (\/style.*?) >/si "," ", $str);  //filter style tag $str=preg_replace ("/< (\/?style.*?) >/si "," ", $str);  //filter style tag $str=preg_replace ("/< (title.*?) > (. *?) < (\/title.*?) >/si "," ", $str);  //Filter title Tag $str=preg_replace ("/< (\/?title.*?) >/si "," ", $str);  //Filter title Tag $str=preg_replace ("/< (object.*?) > (. *?) < (\/object.*?) >/si "," ", $str);  //filter the OBJECT tag $str=preg_replace ("/< (\/?objec.*?) >/si "," ", $str);  //filter the OBJECT tag $str=preg_replace ("/< (noframes.*?) > (. *?) < (\/noframes.*?) >/si "," ", $str);  //Filter noframes label $str=preg_replace ("/< (\/?noframes.*?) >/si "," ", $str);  //Filter noframes label $str=preg_replace ("/< (i?frame.*?) > (. *?) < (\/i?frame.*?) >/si "," ", $str);  //Filter Frame label $str=preg_replace ("/< (\/?i?frame.*?) >/si "," ", $str);  //Filter Frame label $str=preg_replace ("/< (script.*?) > (. *?) < (\/script.*?) >/si "," ", $str);  //Filter Script tag $str=preg_replace ("/< (\/?script.*?) >/si ", "", $str);  //Filter Script tag $str=preg_replace ("/javascript/si", "JavaScript", $str);  //Filter Script Tag $str=preg_ Replace ("/vbscript/si", "VBScript", $str),  //filter script tag $str=preg_replace ("/on ([a-z]+) \s*=/si", "on\\1=", $str );  //Filter Script tag $str=preg_replace ("/&#/si", "the", "$str);  //Filter Script Tag,?>

PHP Filter Common Tags