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PHP Message Help
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Ancient
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Default PHP Message Help - 16-06-2007

I'm trying to fend off spammers in my hosting contact form and I have this idea to help stop it.

In these emails they are sending the form with keywords in it like for example: $badwords.

And I'm trying to make a code for it to search what they wrote and send and if it finds one of the $badwords that it will die();.

What I have is:
Code:
$badwords = array(array('sex', 'porn', 'unknown', 'Unkown', 'geocities', 'tripod', 'http://'));
 
if(in_array(array('sex', 'porn', 'unknown', 'Unkown', 'geocities', 'tripod', 'http://'), $badwords));
How can I hook it up to search the $message for $badwords?


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Re: PHP Message Help
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Whistler
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Default Re: PHP Message Help - 16-06-2007

try strstr() function.
   
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Re: PHP Message Help
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Ancient
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Default Re: PHP Message Help - 16-06-2007

Code:
elseif(stristr($message, array('unknown', 'sex', 'porn', 'some sites', 'community', 'support', 'label', 'tripod', 'geocities', 'yahoo')) === FALSE)
 {
  die("there is something bad");
 }
Doesn't work well.

It will die weither there is a $badword or not.
I have also tried it true, and stristr and they all come back with the die weither the $badword is in it or not.
It works for finding something in a subject, but the subject doesn't have an array.

Code:
elseif(!stristr($subject, 'unknown') == FALSE)
 {
  die("Subject is bad");
 }
I found out when there is more than 1 option to look for it will ignore the script or string and move on.
Also if the string is in a certain way it will always die looking in the string or not.


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Last edited by Ancient; 16-06-2007 at 20:58..
   
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Re: PHP Message Help
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Whistler
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Default Re: PHP Message Help - 17-06-2007

well... just use a for loop then

PHP Code:
for ($i 0$i count ($badwords); $i++)
  {
    if (
strstr ($message$badwords[i]) != FALSE)
      {
        die (
"bad words detected");
      }
  } 
   
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Re: PHP Message Help
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Ancient
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Default Re: PHP Message Help - 02-11-2007

Thanks for the loop, runs great when searching a file extension against an extensions array list.


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Re: PHP Message Help
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The Storm
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Default Re: PHP Message Help - 30-01-2011

stristr() will work but the you have to change the condition from == to != .
Oh this is old thread, the spam bot had confused me...
   
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