php processing ubb function_PHP tutorial

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php Ubb code essence

/*
Programming Design: Lin Jianxuan (Piao Feng Design Studio)
made in Lu Feng by 2007-03-07 noon
QQ: 5818500
Email: linzhenxuan@163.com
If you use or modify it, please keep this information!
Function: Ubb class
Advantages: There are more fast Ubb pairing and corresponding html problems than ordinary ubb.
*/
Class Cls_Ubb
{
var $type='';
Function _htm($string)
          {
                        if(!$string){return "";}
                    if(ereg("<(.+)*>(.+)*",$string))
                   {
                                      $string = eregi_replace("<","<",$string);
                                       $string = eregi_replace(">",">",$string);
              }
If (EREGI ("[(/*B)]", $ String) {$ This- & GT; Type. = "1,";;}
If (EREGI ("[(/*i)]", $ String) {$ This-& GT; Type. = "2,";;;                              if(eregi("[(/*u)]",$string)){$this->type.="3,";}
                        if(eregi("[align=([a-zA-Z]*)]",$string)){$this->type.="4,";}
                       if(eregi("[fly](.+)*[/fly]",$string)){$this->type.="5,";}
                      if(eregi("[move](.+)*[/move]",$string)){$this->type.="6,";}
                      if(eregi("[light](.+)*[/light]",$string)){$this->type.="7,";}
if(eregi("[SHADOW=([0-9]{1,3}),([a-zA-Z]*),([0-9]{1,})](.+)*[ /shadow]",$string)){$this->type.="8,";}
                        if(eregi("[url=(.+)](.+)[/url]",$string)){$this->type.="9,";}
if(eregi("[email]([a-zA-Z0-9]{1,}@([a-zA-Z0-9]{1,}.[a-zA-Z0-9]{1, })*)[/email]",$string)){$this->type.="10,";}
                        if(eregi("[em([0-9]{1,})]",$string)){$this->type.="11,";}
                     if(eregi("[img](.+)*[/img]",$string)){$this->type.="12,";}
if(eregi("[flash=*([0-9]*),*([0-9]*)](.+)*[/flash]",$string)){$this->type .="13,";}
if(eregi("[mp=*([0-9]{1,3}),([0-9]{1,3})](.+)*[/mp]",$string)) {$this->type.="14,";}
if(eregi("[rm=([0-9]{1,3}),([0-9]{1,3})](.+)*[/rm]",$string)){ $this->type.="15,";}
                      if(eregi("[sound](.+)*[/sound]",$string)){$this->type.="16,";}
                        if(eregi("[code](.+)*[/code]",$string)){$this->type.="17,";}
                      if(eregi("[sup](.+)*[/sup]",$string)){$this->type.="18,";}
                      if(eregi("[sub](.+)*[/sub]",$string)){$this->type.="19,";}
                        if(eregi("[color=(.+)*](.+)*[/color]",$string)){$this->type.="20,";}
if(eregi("[size=([0-9]{1})](.+)*[/size]",$string)){$this->type.="21,";}
If ($ this-& gt; type) {$ this-& gt; type = substr ($ this-& gt; type; 0, (strlen ($ this-& gt; type) -1));}
                          return $string;
       }
       
?>