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Posted By

misteroneill on 09/01/09


Tagged

email header detection


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umang_nine


Check For Email Headers

 / Published in: PHP
 

URL: http://www.misteroneill.com

This function simply returns a Boolean value based on whether or not some email header values are inserted into a string. Helps prevent spam bots from using a form.

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  1. function has_email_headers($input) {
  2. 	return preg_match("/(%0A|%0D|\n+|\r+)(content-type:|to:|cc:|bcc:)/i",$input);
  3. }

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