How to prevent saving unusual HTML entities from PHP form? -

Every now and then, I save unusual data from my PHP form to the database that looks like this:

  Mr. Smith & amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp; Amp;    What could be the reason for this, and there is a better way to remove entities from using  preg_replace , because PHP decoded functions are completely Does not completely decode from?   
  itemprop = "text"> 
 I will suggest viewing the code processing data from the form entry in the database. If you are monitoring data appearing on a web page, then  htmlentities ($ var);  If you are just cleaning it for security purposes or simply  mysql_real_escape_string ($ var) . If everything fails to post the code and we will get a look.








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