SQL Num Rows Param/Boolean Error

Question

I have been following these tutorials: http://www.youtube.com/watch?v=FUI2JDaNpk0 but for some reason when I enter the correct password I get this error:

Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in /Applications/XAMPP/xamppfiles/htdocs/login.php on line 12

I will leave it to someone else to hassle you for using the deprecated and dangerous mysql_ API. — O. Jones
– O. Jones, Commented Jan 23, 2014 at 23:24

O. Jones · Accepted Answer · 2014-01-23 23:23:41Z

1

it seems like your mysql_query operation failed. When queries fail they return false, and when they succeed they return a record set. It makes no sense to say mysql_num_rows(false); and that's why you're getting this error.

answered Jan 23, 2014 at 23:23

O. Jones

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