I have a file. I'll paste from line 32 to 34
<?
.....
$sql = "select USUARIO from docente where USUARIO = '$usuario'";
$result = mysql_query($sql, $link);
if (mysql_num_rows($result) == 1) { // line 34
....
?>
I get the next warning:
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result
resource in /home/olimpiad/public_html/base/alta1.php on line 34
I'm running the script on a linux server.
could someone help me.
Thank you.
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