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File: demo_AutoSpamChecker.php

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  Classes of Roger Baklund  >  PHP Spam Check  >  demo_AutoSpamChecker.php  >  Download  
File: demo_AutoSpamChecker.php
Role: Example script
Content type: text/plain
Description: Demo, how to automatically evaluate all input (by including script)
Class: PHP Spam Check
Check if a text can be spam testing invalid words
Author: By
Last change: Removed irrelevant time zone setting
Date: 5 years ago
Size: 3,667 bytes
 

Contents

Class file image Download
<?php

error_reporting
(E_ALL);
ini_set('display_errors',1); # for debug

require_once('SpamChecker.class.php');

/* demo class, only for showing result, not to be used in prod */

class MyAnalyzer extends VowConAnalyzer {
  function
HTMLReport() {
    if(!isset(
$this->TextStats))
     
$this->CalcTextStats();
    if(!
$this->TextStats)
      return
''; # No data to show, evaluates as "false"
   
$Cols = array('Word'=>'word','Groups'=>'groupCount','Max'=>'groupMaxSize',
                 
'Sum'=>'groupSum','SumSq'=>'groupSumSq',
                 
'Distinct'=>'distinct','Score'=>'scoreStr');
   
$trBG = '<tr style="background-color:'; # Note that < and " are both open
   
$tdR = '<td style="text-align:right">';
   
$res = '<table border="1"'.
          
' style="border-collapse:collapse;border:solid 1px black;">';
   
$res.= $trBG.'#99f"><th>'.
         
implode('</th><th>',array_keys($Cols)).
                 
'</th></tr>';
    foreach(
$this->words as $word) {
      if(
is_numeric($word)) continue;
      if(!
trim($word)) continue;
     
$w = $this->Stats($word);
     
$w->scoreStr = sprintf('%.2f',$w->score);
     
$res.= $trBG.
             (
$w->score > $this->MaxWordScore ? '#f66':
             (
$w->score > $this->BadWordLimit ? '#f96' :
             (
$w->score > $this->MaxAvgScore ? '#ff9' : ''))).';">';
      foreach(
$Cols as $name=>$prop)
       
$res.= (($name=='Word') ? '<td>' : $tdR).$w->$prop.'</td>';
     
$res.= '</tr>';
    }
   
$dash = $tdR.'-</td>';
   
$res.= $trBG.'#99f"><td>Max Score</td>'.$dash.$dash.$dash.$dash.$dash.
          
$tdR.sprintf('%.2f',$this->TextStats->MaxScore).'</td></tr>';
   
$res.= $trBG.'#99f"><td>Avg Score</td>'.$dash.$dash.$dash.$dash.$dash.
          
$tdR.sprintf('%.2f',$this->TextStats->AvgScore).'</td></tr>';
   
$res.= $trBG.'#99f"><td>Bad word %</td>'.$dash.$dash.$dash.$dash.$dash.
        
$tdR.'<span style="color:'.
           (
$this->TextStats->BadPercent > $this->MaxBadPercent ? 'red' : 'green').'">'.
          
sprintf('%d',$this->TextStats->BadPercent).'%</span></td></tr>';
   
$res.= $trBG.'white">'.
        
'<th>Legend</th>'.
        
'<td colspan="6">'.
        
'<table style="font-size:70%;font-family:Verdana,sans-serif;"><tr>'.
          
'<td style="background-color:#f66">&nbsp;&nbsp;&nbsp;</td>'.
          
'<td>Above max word score ('.sprintf('%.2f',$this->MaxWordScore).')</td></tr>'.
          
'<td style="background-color:#f96">&nbsp;&nbsp;&nbsp;</td>'.
          
'<td>Above bad word limit ('.sprintf('%.2f',$this->BadWordLimit).')</td></tr>'.
          
'<td style="background-color:#ff9">&nbsp;&nbsp;&nbsp;</td>'.
          
'<td>Above max average score ('.sprintf('%.2f',$this->MaxAvgScore).')</td></tr>'.
          
'</table>'.
        
'</td>'.
        
'</tr>';
   
$res.= '</table>';
  return
$res;
  }
}

if(
count($_REQUEST)) {
 
$SpamChk = new SpamChecker(new MyAnalyzer());
 
$SpamChk->Ignore('sessionkey'); # example, see SpamChecker_test_1.php
 
if(!$SpamChk->Accepted())
   
# !! Report displayed for demo/debugging purpouses
    # In a real app, log & redirect to either:
    # a) error page (user friendly but also spammer friendly)
    # b) same page as successfull submit (stealthy, but possibly misleading for users)
    # c) reload page, displaying error (perhaps too spammer friendly?)
    # d) site homepage (might be the best alternative in some cases)
   
die('<h1>Spam detected:</h1>'.
       
$SpamChk->VowCon->GetTextStatus().
       
$SpamChk->VowCon->HTMLReport());
}

?>