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Clean up registration and login names etc  before inputting in mysql

Posted on 2011-09-24
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Last Modified: 2013-12-13
Hi,
I am trying to clean up my html form inputs before they hit mysql.
Is this possible as I've shown below? (It's not currently working?)
If it will work have I missed anything?
Thanks

$username=  sanitise($_POST['username']);

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function sanitise($string) {
  $string = trim($string);
  $string = htmlentities($string);
  $string = strip_tags($string);
  $string = mysqli_real_escape_string($string);
  
  return $string;
}

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Question by:encodeme
3 Comments
 
LVL 111

Accepted Solution

by:
Ray Paseur earned 280 total points
ID: 36592518
PHP has built-in functions for this.  Look up filter_var() to learn more.  You will still need to use the escape_string functions.
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LVL 9

Assisted Solution

by:ghodder
ghodder earned 220 total points
ID: 36592528
function sanitise($string) {
  return mysqli_real_escape_string(trim(htmlentities(strip_tags($string))));
}

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0
 

Author Closing Comment

by:encodeme
ID: 36592693
H'm I didn't know those functions existed.

I appreciate the code tweaks... never thought of doing it inline.

thanks
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