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Hi!

well, when ever I try to create registration form that will check username availability I encounter error,

Warning: MySQL_real_string() expects parameter 2 to be resource, null given,

How to go about??

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Jibaba: Use mysql_real_escape_string() instead of mysql_real_string()

 

The function needs two parameters: One is your database connection. The other is the string you want to clean.

 

Example:

<?php
$wash-me = "I might have dangerous data inside me!";

$clean = mysql_real_escape_string($wash-me, $database-connection);

?>

 

Now you can use $clean to put data safe into a database. :)

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