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SQL Error - Escape String

Posted on 2011-02-18
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Last Modified: 2012-05-11
I have a form that has been working great. It still works - person fills out the form, selects what pdf's they want. They submit - info stores in database, person gets an email with links to the pdf's and admin gets email saying which pdf's the person asked for.

Recently we have started getting this error
Warning: mysql_real_escape_string() expects parameter 2 to be resource, null given in /home/visitmit/public_html/moreinfo.php on line 230
 and it repeats for other lines.

That line is mysql_real_escape_string($address, $link); and all other errors are the same line with their corresponding form field.
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Question by:katlees
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mcv22 earned 500 total points
ID: 34930414
Something in the morinfo.php file is causing $link to become null. Try removing the second parameter altogether and see if that works
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Author Comment

by:katlees
ID: 34930465
That fixed it... What would cause it to become null?
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LVL 12

Expert Comment

by:mcv22
ID: 34930495
Can't tell without really looking at what the code does and the entire flow. You can use is_null to check $link and if true, re-initialize the connection. Adding additional debugging will help narrow down where it becomes null.
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Expert Comment

by:fundraisinggold
ID: 34930528
if that link is being returned from a mysql_query, that usually means that the query didn't return any results.  If a query results in 0 records, then mysql_query returns false instead of an actual resource.
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