Location: PHPKode > projects > The Easy and Free PHP guestbook > include/classes.php
<?php

class Post{

  var $name;
  var $email;
  var $message;
  var $date;
  var $post_id;
  var $ip_addr;
  var $show_email;
  var $show_message;
  var $approved;
  var $post_array;
  
  function Post($post_array){
    $this->SetThisVarsFromPostArray($post_array);
  }
  
  function SetThisVarsFromPostArray($post_array){
    foreach ($post_array as $key=>$val){
      $string='$this->'.$key.'='.$val.';';
      eval ($string);
    }
    $this->post_array=$post_array;
  }
  
  function PrintFields(){
    foreach ($this->post_array as $key=>$value)
        {
          echo "<B>".$key."</B>: ".$this->DecodeMessage($value)." <P>\n";
        }
  }

  function EncodeMessage($message){
    $message=preg_split('/;/',$message);
    $message=implode("##semicolon##",$message);
    $message=preg_split("/'/",$message);
    $message=implode("##prime##",$message);
    $message=preg_split('/"/',$message);
    $message=implode("##apostrophe##",$message);
    $message=preg_split('/:/',$message); // added0.52
    $message=implode("##colon##",$message); 
    $message=preg_split('/$/',$message);
    $message=implode("##dollarsign##",$message);    
    return ($message);
  }
  
  function DecodeMessage ($message){
    $message=preg_split('/##semicolon##/',$message);
    $message=implode(";",$message);
    $message=preg_split('/##prime##/',$message);
    $message=implode("'",$message);
    $message=preg_split('/##apostrophe##/',$message);
    $message=implode('"',$message);
    $message=preg_split('/##colon##/',$message);
    $message=implode(':',$message); // added0.52
    $message=preg_split('/##dollarsign##/',$message);
    $message=implode('&#36;',$message);   
    return ($message);
  }
  
  # a function to replace new lines with breaks
  function ConvertToHtml ($message){ 
   $fmess1=preg_split('/\\r\\n|\\n|\\r/',$message);  
   $fmess=implode("<BR>",$fmess1);
   $fmess2=stripslashes($fmess);
   return ($fmess2);
  }
  
  
  function RemoveBreaks($message){
   $fmess1=preg_split('/<BR>/',$message);  
   $fmess=implode("\n",$fmess1);
   $fmess1=preg_split('/<P>/',$message);  
   $fmess=implode("\n\n",$fmess1); 
   $fmess2=stripslashes($fmess);
   return ($fmess2);
  }
  
  
  function CleanName($name){
    $name = trim($name);
    $name=preg_split('/;/',$name);
    $name=implode("",$name);
    $name=preg_split('/"/',$name);
    $name=implode("",$name);
    $name=preg_split('/\'/',$name);
    $name=implode("",$name);  
    $name=preg_split('/:/',$name);
    $name=implode("",$name); 
    $name=stripslashes($name); 
    return $name;
  }

  function SetVariablesFromPostArray(){ //returns a string to be evaluated for the variables to be set
    $string='';
    foreach ($this->post_array as $key => $val)
    {
      $string=$string.'$'.$key.'="'.$val.'";';
    }
    return $string;
  }
  
  function MailLogLine($var="mail"){
    $used_language="include/lang/eng/lang.php";
    include $used_language;
    $post_array=$this->post_array;
    $post_log='';
    $temp=array();
    foreach ($post_array as $key=>$val){
    if ($key==message){$temp["message"]=$this->RemoveBreaks($val);}
    elseif ($key!="approved"){$temp["$key"]=$val;}
    }
    foreach ($temp as $key=>$val){
    $post_log=$post_log.$key.": ".$val."\n";
    }
    if ($var==log){$post_log="\n<entry>".$post_log."</entry>\n";}
    $post_log=trim($this->DecodeMessage(stripslashes($post_log)));
    #$post_log=$this->DecodeMessage(stripslashes("\n<ENTRY>\n$name_lang: ".$this->name."\n$email_lang: ".$this->email."\n$message_lang: ".$this->message."\n$date_lang ".$this->date."\n$from_ip_lang: ".$this->ip_addr."\n</ENTRY>\n")); # formatting for the log file
    return $post_log;
    
  }

}

class Guestbook{
  
  var $conf_file="include/conf.php";
  var $gbook_url;
  var $gbook_name;
  var $admin_pass;
  var $gbook_title;
  var $admin_email;
  var $gbook_email;
  var $reserved_name;
  var $activate_res_name;
  var $posts_per_page;
  var $sendmail_onpost;
  var $enable_image_verification_step;
  var $additional_pages_name;
  var $menu_spacer;
  //$forbidden_strings=array();
  //$banned_ips=array("123.221.331.21","111.122");
  var $used_language;
  var $p_template;
  var $posts_file;
  var $logfile_name;
  var $moderation_active;
  var $posts_array;
  var $header;
  var $footer;
  var $last_message_to_top;
  var $powby;
  var $pwb2;
  
  function Guestbook(){
    $this->SetGBVars();
    $this->posts_array=$this->FlatfileToArray();
    $this->header=$this->GetHeader();
    $this->footer=$this->GetFooter();
    $this->last_message_to_top=1;
  }

    
  function SetGBVars(){
    include $this->conf_file;
    include "include/mixvar.php";
    $this->gbook_url=$gbook_url;
    $this->gbook_name=$gbook_name;
    $this->admin_pass=$admin_pass;
    $this->gbook_title=$gbook_title;
    $this->admin_email=$admin_email;
    $this->gbook_email=$gbook_email;
    $this->pwb2=$powby;
    $this->reserved_name=$reserved_name;
    $this->activate_res_name=$activate_res_name;
    $this->posts_per_page=$posts_per_page;
    $this->sendmail_onpost=$sendmail_onpost;
    $this->enable_image_verification_step=$enable_image_verification_step;
    $this->additional_pages_name=$additional_pages_name;
    $this->menu_spacer=$menu_spacer;
    $this->used_language=$used_language;
    $p_template=preg_split('/##prime##/',$p_template);
    $p_template=implode("'",$p_template);
    $p_template=preg_split('/##apostrophe##/',$p_template);
    $p_template=implode('\"',$p_template);
    $this->p_template=$p_template;
    $this->posts_file=$posts_file;
    $this->logfile_name=$logfile;
    $this->moderation_active=$moderation_active;
    $this->powby="<a class=\"powby\" href=\"http://www.cellbiol.com/scripts/free_php_guestbook/free_php_guestbook.html\" target=\"_blank\">Powered by the The Easy PHP Guestbook ®</a>";
  }
  
  
  function BuildMenus(){
  $app=$this->GetApproved();
  $msgnum=count($app);
  #echo "there are $msgnum posts in the guestbook <P>";
  #echo "the number of posts per page is $this->posts_per_page <P>";
  $pagesnum=$msgnum/$this->posts_per_page;
  if ((int)$pagesnum<$pagesnum){$pagesnum=(int)$pagesnum+1;}
  #echo "there are $pagesnum pages in the guestbook <P>";
  $apn=$this->additional_pages_name;
  $ms=$this->menu_spacer;
  $i=1;
  $menus=array();
  $max_lp=6; //max linked pages in the menu on each side of the current page
  while ($i<=$pagesnum){
    $nx=$i+1; # number of next page
    $pv=$i-1; # number of previous page
    $string='';
    $j=1;
    
    if ($i==1 AND $pagesnum!=1){ # first page menus if there is more than one page total
      $string="<b>1</b>";
      $j=2;
      while ($j<=$pagesnum AND $j<=$max_lp){
        $string=$string.$ms."<a href=$apn"."$j.html>$j</a>";
        $j=$j+1;
      }
      $string=$string.$ms."<a href=$apn".$nx.".html>next&gt;</a>".$ms."<a href=$apn".$pagesnum.".html>last&gt;&gt;</a>";
      $menus[]=$string;  
      $i=$i+1;  
    }
    
    elseif ($i==1 AND $pagesnum==1){$menus[]=''; $i=$i+1;} # if there is only one page in total
    
    elseif ($i==$pagesnum AND $i!=1){ # last page menus
      if ($pagesnum==2) { # if there are 2 pages total, this will be applied to the second page
      $string="<a href=$this->gbook_name>&lt;&lt;first</a>".$ms."<a href=$this->gbook_name>&lt;previous</a>";
      # in this case first and previous both lead to the first guestbook page
      }
      else {
      $string="<a href=$this->gbook_name>&lt;&lt;first</a>".$ms."<a href=$apn".$pv.".html>&lt;previous</a>";
      }
      $inpag=$i-$max_lp; //initial page to be linked
      if ($inpag<1){$inpag=1;}
      $j=$inpag;
      while ($j<=$pagesnum){
        if ($j==$i){$string=$string.$ms."<b>".$i."</b>";}
        elseif ($j==1){$string=$string.$ms."<a href=$this->gbook_name>$j</a>";}
        elseif ($j!=$i AND $j!=1){$string=$string.$ms."<a href=$apn"."$j.html>$j</a>";}
        $j=$j+1;
      }  
      $menus[]=$string; 
      $i=$i+1; 
    }
    
    elseif ($i>1 AND $i<$pagesnum) { # middle page menus
      ######### code below was modified to fix the "previous" link bug in the second page ################    
      if ($i==2) { # if there are 2 pages total, this will be applied to the second page
        $string="<a href=$this->gbook_name>&lt;&lt;first</a>".$ms."<a href=$this->gbook_name>&lt;previous</a>";
        # in the case of the second page, first and previous both lead to the first guestbook page
      }
      else {
        $string="<a href=$this->gbook_name>&lt;&lt;first</a>".$ms."<a href=$apn".$pv.".html>&lt;previous</a>";
      }
       ######### end modified code ################
      
      $inpag=$i-$max_lp; //initial page to be linked
      if ($inpag<1){$inpag=1;}
      $lastpag=$i+$max_lp; //last page to be linked
      if ($lastpag>$pagesnum){$lastpag=$pagesnum;}
      ######### code below was modified to fix the "previous" link bug in the second page ################
      if ($i==2) { # if there are 2 pages total, this will be applied to the second page
        $string="<a href=$this->gbook_name>&lt;&lt;first</a>".$ms."<a href=$this->gbook_name>&lt;previous</a>";
        # in the case of the second page, first and previous both lead to the first guestbook page
      }
      else {
        $string="<a href=$this->gbook_name>&lt;&lt;first</a>".$ms."<a href=$apn".$pv.".html>&lt;previous</a>";
      }
      ######### end modified code ################
      
      #$string="<a href=$this->gbook_name>&lt;&lt;first</a>".$ms."<a href=$apn".$pv.".html>&lt;previous</a>";
      $j=$inpag;
      while ($j<=$lastpag){
        if ($j==$i){$string=$string.$ms."<b>".$i."</b>";}
        elseif ($j==1 AND $j!=$i){$string=$string.$ms."<a href=$this->gbook_name>$j</a>";}
        elseif ($j!=$i){$string=$string.$ms."<a href=$apn"."$j.html>$j</a>";}
        $j=$j+1;
      }
      $string=$string.$ms."<a href=$apn"."$nx".".html>next&gt;</a>".$ms."<a href=$apn".$pagesnum.".html>last&gt;&gt;</a>";
      $menus[]=$string;
      $i=$i+1;  
    }
  }
  #foreach ($menus as $menu){echo $menu."<P>";}
  return $menus;
  }
  

  
  function FlatfileToArray(){
    $posts=file($this->posts_file);
    $post_array=array();
    $posts2=array();
    foreach ($posts as $post)
    {
      $post2=preg_split('/;/',$post);
      foreach ($post2 as $post_item)
        {
          $temp=preg_split('/:/',$post_item);
          $post_array[$temp[0]]=trim($temp[1]);
        }
      $posts2[]=$post_array;
    }
    return $posts2;
  }
  
  function ArrayToFlatfile(){
    $tofile='';
    foreach ($this->posts_array as $post)
    {
      $line=PostArrayToLine($post);
      $tofile=$tofile.$line;
    }
    $fp = fopen($this->posts_file, "w");
    $write = fputs($fp, $tofile);
    fclose($fp);
  }
  
  function AddPost($post_array){//former AddPostToFlatfile
    $posts_array=$this->posts_array;
    $posts_array[]=$post_array;
    $this->posts_array=$posts_array;
    $this->ArrayToFlatfile();
    $this->UpdateHTMLFile();
    //$this->posts_array=$this->FlatfileToArray();
  }

  function GetPost($post_id){//former GetPostFromFlatfile
    foreach ($this->posts_array as $post)
    {
      if ($post["post_id"]==$post_id){$post_array=$post;break;}
    }
    return $post_array;
  }
  
  function ReplacePost($post_array){//former ReplacePostInFlatfile
    $post_id=$post_array["post_id"];
    $temp=array();
    foreach ($this->posts_array as $post)
    {
      if ($post["post_id"]!=$post_id){$temp[]=$post;}
      else {$temp[]=$post_array;}
    }
    $this->posts_array=$temp;
    $this->ArrayToFlatfile();
    $this->UpdateHTMLFile();
    //$this->posts_array=$this->FlatfileToArray();
  }

  function DeletePost($post_id){//former DeletePostFromFlatfile
    srand((double)microtime()*1000000); 
    $string = md5(rand(0,9999)); 
    $new_string = substr($string, 17, 5);
    $temp_file_name="posts/temp$new_string.txt";
    $file = fopen($this->posts_file,"r");
    $temp_file= fopen("$temp_file_name","w");
    while(! feof($file))
    {
      $line=fgets($file);
      if ($line==''){break;}
      $post_array=$this->PostLineToArray($line);
      if ($post_array['post_id']==$post_id){continue;}
      else
      {
        $write = fputs($temp_file, $line);
      }
    }
    fclose($file);fclose($temp_file);
    
    $file = fopen($this->posts_file,"w");
    $temp_file= fopen("$temp_file_name","r");
    while(! feof($temp_file))
    {
      $line=fgets($temp_file);
      $write = fputs($file, $line);
    }
    fclose($file);fclose($temp_file);unlink($temp_file_name);   
    $this->posts_array=$this->FlatfileToArray();
    $this->UpdateHTMLFile();
  }
    
  
  function GetApproved(){//former GetApprovedMessages
    $approved_msgs=array();
    foreach ($this->posts_array as $post_array){
      if ($post_array["approved"]!="no"){$approved_msgs[]=$post_array;}
    }
    return $approved_msgs;
  }
  
  function GetHeader(){
    $g_content=file_get_contents($this->gbook_name); # getting the whole html guestbook contents
    $comstart_reg="/<!-- COMMENTS-START -->.*\\n/";
    $chars = preg_split($comstart_reg, $g_content); # we split in 2 the html guestbook file bu using the comments start regular expression
    $header=$chars[0];
    return ($header);
  }

  function GetFooter(){
    $g_content=file_get_contents($this->gbook_name); # getting the whole html guestbook contents
    $comend_reg="/<!-- COMMENTS-END -->.*\\n/";
    $comstart_reg="/<!-- COMMENTS-START -->.*\\n/";
    $chars = preg_split($comstart_reg, $g_content); # we split in 2 the html guestbook file by using the comments start regular expression
    $chars2 = preg_split($comend_reg, $chars[1]); # we split the second part (posts+footer) in two by using the comend regular expression
    $len_c2=count($chars2); # this will be =1 if the comments end tag is not there, or = 2 if it is there
    if($len_c2==1){$footer=$chars2[0];}# maybe the end tag is not there (upgrade from old version of the script), in this case everything after the start tag is treated like a footer
    elseif($len_c2==2){$footer = $chars2[1];} # this is the footer of the guestbook page
    $menu_start_reg="/<menu>/";
    $menu_end_reg="/<\/menu>/";
    $temp1 = preg_split($menu_end_reg, $footer);
    if (count($temp1)==1)
    {
      $footer=$footer;
    }
    elseif (count($temp1)==2)
    {
      $footer=$temp1[1];
    }
     return ($footer);
  }
  
  function PostLineToArray($line){
  $post_array=array();
  $temp_arr=preg_split('/;/',$line);
  foreach ($temp_arr as $post_item)
    {
      $temp=preg_split('/:/',$post_item);
      $post_array[$temp[0]]=trim($temp[1]);
    }
  return $post_array;   
  }  
  
  function DirList ($directory){
    $results = array();
    $handler = opendir($directory);
    while ($file = readdir($handler)) {
      if ($file != '.' && $file != '..'){$results[] = $file;}
    }
    closedir($handler);
    return $results;
  }
  
  function PostArrayToPost($post_array){
    $post=new Post();
    $post->SetThisVarsFromPostArray($post_array);
    $setvars=$post->SetVariablesFromPostArray();
    eval ($setvars);   
    if ($show_email == "no")
    {
      #$email="<a class=maillink href=php_guestbook.php?task=ShowPrivatePost&post_id=$post_id>Private</a>";
      $email="";
    }
    $date=$post->DecodeMessage($date);
    if ($show_message == "yes")
    {
      $message=$post->DecodeMessage($message);
    }
    else {$message="<a class=\"priv_msg_link\" href=php_guestbook.php?task=ShowPrivatePost&post_id=$post_id>Private</a>";}      
    include $this->used_language;
    eval("\$f_post = \"$this->p_template\";");
    return $f_post;
  }
  
  function PostLineToPost($line){
    $post_array=$this->PostLineToArray($line);
    $formatted_post=$this->PostArrayToPost($post_array);
    return $formatted_post;
  }
  
  function BuildArchive($posts_number){
    $posts_folder="posts";
    $all_posts_files=$this->DirList($posts_folder);
    $existing_archives=array();
    foreach ($all_posts_files as $file){
      if (preg_match('/archive/',$file))
      {
        $existing_archives[]=$file;
      }
    }    
    $indexes=array();
    if (count($existing_archives)==0)
    {
      $archive_name="archive1.html";
    }

    else{
      foreach ($existing_archives as $archive){
        $temp=preg_split ('/archive/',$archive);
        $temp=preg_split ('/\.html/',$temp[1]);
        $index=$temp[0];
        $indexes[]=$index;
      }
      sort($indexes);
      $archive_name="archive".(end($indexes)+1).".html";
    }
    
    srand((double)microtime()*1000000); 
    $string = md5(rand(0,9999)); 
    $new_string = substr($string, 17, 5);
    $temp_file_name="posts/temp$new_string.txt";
    
    
    $fp = fopen($archive_name, "w");
    $temp_file = fopen($temp_file_name, "w");
    $write = fputs($fp, $this->header);
    $file = fopen($this->posts_file,"r");
    $pta=array();//posts to archive
    $i=0;
    while(! feof($file))
    {
      $line=fgets($file);
      if ($line==''){break;}
      
      if ($i<$posts_number) //if the line is in the group that is to be archived, we add it to the pta array
      {
        $pta[]=$line;
      }
      else //else we store it in a temporary file from which we will rebuild the posts file in the code below
      {
        $write = fputs($temp_file, $line);      
      }
      $i=$i+1;
    }    
    fclose($file);fclose($temp_file);
    $pta=array_reverse($pta);
    foreach ($pta as $line){
      $ready_post=PostLineToPost($line);
      $write = fputs($fp, $ready_post);
    }
    $write = fputs($fp, $this->footer);
    fclose($fp);
    #code to remove the archived posts from the posts file
    $file = fopen($this->posts_file,"w");
    $temp_file= fopen("$temp_file_name","r");
    while(! feof($temp_file))
    {
      $line=fgets($temp_file);
      $write = fputs($file, $line);
    }
    fclose($file);fclose($temp_file);unlink($temp_file_name);   
    $this->posts_array=$this->FlatfileToArray();
    $this->UpdateHTMLFile();
  }
  
  function UpdateHTMLFile(){//former UpdateHTMLguestbookPaginate

    $temp=$this->GetApproved();
    if ($this->last_message_to_top==1){$temp=array_reverse($temp);}
    $posts2=array();
    $subdposts=array(); #subdivided posts array. Will end up containing a number of arrays, each with the number of posts set in the $posts_per_page variable in the conf file
    $i=0;
    $comstart="<!-- COMMENTS-START -->\n";
    $comend="<!-- COMMENTS-END -->\n";
    
    if (count($temp)==0){ //if there are no approved posts
      $contents=$this->header.$comstart.$comend.$this->footer; # we re-build the guestbook html page by putting together all the pieces
      $fp = fopen($this->gbook_name, "w");
      $write = fputs($fp, $contents); # and then write this to the guestbook file
      fclose($fp);
    }
    # we now take the posts one by one, add them to an array until we reach the number of posts set in the $posts_per_page variable in the 
    # conf file and then add this array as element of a final array called subdivided posts array ($subdposts)
    foreach($temp as $post_array)
    { 
      if ($i<$this->posts_per_page)
      {
        $posts2[]=$post_array;
        $i=$i+1;
      }
      elseif ($i==$this->posts_per_page) 
      {
        $subdposts[]=$posts2; # we add the array containing a number of $posts_per_page posts to the final subdposts array
        $posts2=array(); # we empty the posts2 array to start over
        $posts2[]=$post_array;
        $i=1;
      }
    }
    if (count($posts2)!=0){$subdposts[]=$posts2;}
    
    $pages_number=count($subdposts);
    $i=1;
    $menus=$this->BuildMenus();
    $pvar=0;
    if ($this->pwb2!=$this->powby){$pvar=1;}
    foreach ($subdposts as $posts_group)
    {   
        $page_number=i;
        $index=$i-1;
        $page_menu=$menus[$index];   
        //Code to build the navigation menu
        if ($i==1) //first page
        {    
          if ($pages_number!=1){  
            $menu_index="<menu><br><center><table width=90% border=0 cellpadding=15><tr><td><center>".$page_menu."</center></td></tr></table></center></menu>";      
          }
          else {$menu_index="";}
          $fp = fopen($this->gbook_name, "w");
          //$write = fputs($fp, $contents); # and then write this to the guestbook file
          $write = fputs($fp, $this->header);$write = fputs($fp, $comstart);$write = fputs($fp, $menu_index);
          foreach($posts_group as $post_array){
            if ($pvar==0){
              $f_post=DecodeMessage($this->PostArrayToPost($post_array));
              $write = fputs($fp, $f_post);
            }
            else {die();}
          } 
          $write = fputs($fp, $comend);$write = fputs($fp, $menu_index);$write = fputs($fp, $this->footer);
          
          fclose($fp);
          $i=$i+1;
        }
        elseif ($i!=1){ //page beyond the first one
          $menu_index="<menu><br><center><table width=90% border=0 cellpadding=15><tr><td><center>".$page_menu."</center></td></tr></table></center></menu>\n";          
          $pagename=$this->additional_pages_name.$i.".html";
          $fp = fopen($pagename, "w");
          $write = fputs($fp, $this->header);$write = fputs($fp, $comstart);$write = fputs($fp, $menu_index);
          foreach($posts_group as $post_array){
            $f_post=DecodeMessage($this->PostArrayToPost($post_array));
            $write = fputs($fp, $f_post);
          } 
          $write = fputs($fp, $comend);$write = fputs($fp, $menu_index);$write = fputs($fp, $this->footer);
          fclose($fp);
          $i=$i+1;
        }
      
    }

  } //end function definition UpdateHTMLguestbookPaginate
  
  function GetNextAvailableId(){
    if (count($this->posts_array)==0){return "1";exit;}
    else{
    $max_id=0;
    foreach ($this->posts_array as $post)
    {
      $post_id=$post["post_id"];
      if ($post_id>$max_id){$max_id=$post_id;}
    }
    $nai=$max_id+1; //next available id
    return $nai;
    }
  }
  
    # A function to show a single post, intended for admin only, to see private fields and IP
  function ShowPrivatePost($post_id){
    $post_array=$this->GetPost($post_id);
    if (count($post_array)==0){echo "A post with id $post_id is not present in the database"; exit;}
    else
    {
     $post= new Post;
     $post->SetThisVarsFromPostArray($post_array);
     echo "<center><a href=$this->gbook_url>Back to the guestbook</A> | <a href=php_guestbook.php?task=show>Admin Home</A> | <a href=php_guestbook.php?task=adm_logout>Logout</A></center><P>";
     echo '<center><table width=1024 cellpadding=0 cellspacing=10><TR bgcolor=red><TD><center><H1><font color=white>Admin view for message number '.$post_id.'</font></H1></center></TD></TR></TABLE></center>';
     echo '<center><table width=1024 cellpadding=10 cellspacing=10><TR bgcolor=#FFCC66><TD>';
     #foreach ($post_array as $key=>$value)
      #{
        #echo "<B>".$key."</B>: ".DecodeMessage($value)." <P>\n";
      #}
     $post->PrintFields();
     echo '</td></tr></table></center>';
    }  
  }
  

  function CreateDelEditPage (){//tolto $posted_pass come argomento e tolto anche alla form $admin_template in mix_html
    include "include/html/forms.php";
    include "include/html/mix_html.php";
    include $this->used_language;
    $adm_pag1='';
    $gbook_url=$this->gbook_url;
    $gbook_title=$this->gbook_title;
    //$myposts_array=array_reverse($this->posts_array);
    #echo $doctype_header.$open_html_and_head.$admin_title.$link_admin_css.$close_head_open_body;
    #echo '<span class="admin_style"><center> <a href="php_guestbook.php?task=show">Admin home</a> | <a href="php_guestbook.php?task=configure">Configure</a> | <a href="php_guestbook.php?task=del_edit">Edit/Delete</a> | <a href="php_guestbook.php?task=ShowPendingMessages">Pending</a> | <a href="'.$this->gbook_url.'"target="_blank">Guestbook</a> | <a href="http://www.cellbiol.com/scripts/free_php_guestbook/free_php_guestbook.html" target="_blank">Check for updates</a> | <a href="php_guestbook.php?task=adm_logout">Logout</a></center></span>';
    echo $del_edit_header1;
    echo '<span class="admin_style"><center> <a href="php_guestbook.php?task=show">Admin home</a> | <a href="php_guestbook.php?task=configure">Configure</a> | <a href="php_guestbook.php?task=del_edit">Edit/Delete</a> | <a href="php_guestbook.php?task=ShowPendingMessages">Pending</a> | <a href="'.$this->gbook_url.'"target="_blank">Guestbook</a> | <a href="http://www.cellbiol.com/scripts/free_php_guestbook/free_php_guestbook.html" target="_blank">Check for updates</a> | <a href="php_guestbook.php?task=adm_logout">Logout</a></center></span>';
    echo $del_edit_header2;
    #echo $adm_pag1;
    $file = fopen($this->posts_file,"r");
    #echo "<P>the posts file is $this->posts_file <P>";
    while(! feof($file))
    {
      $line=fgets($file);
      if ($line==''){break;}
      $post_array=$this->PostLineToArray($line);
      $post=new Post();
      $post->SetThisVarsFromPostArray($post_array);
      $setvars=$post->SetVariablesFromPostArray();
      eval ($setvars);
      $email=$post->DecodeMessage($email);
      $date=$post->DecodeMessage($date);
      $message=$post->DecodeMessage($message);
      $message=$this->Truncate(htmlspecialchars($message));
      eval("\$adm_pag = \"$admin_template\";");
      echo $adm_pag;
    }fclose($file);
    echo $del_edit_footer;
    echo $close_body_and_html;
  }
  
  # fuction to write to the log file
  function writelog($filename,$text){
    $fp = fopen($filename, "a");
    $write = fputs($fp, $text);
    fclose($fp);
  } # end function definition writelog
  
  function Truncate ($str, $length=300, $trailing='.....'){ 
    // take off chars for the trailing 
    $length-=strlen($trailing); 
    if (strlen($str) > $length)  
    { 
       // string exceeded length, truncate and add trailing dots 
       return substr($str,0,$length).$trailing; 
    }  
    else  
    {  
       // string was already short enough, return the string 
       $res = $str;  
    } 
  
    return $res; 
  } 
  
  
} //end Guestbook class definition


?>
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