I got this warning on the web hosting, on page (report-hours-male.php) as following
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/hatimmak/public_html/ssp12/report-hours-male.php on line 28
my problem is:
The script is working fine on my localhost >> on my computer
while not working on internet hosting !!!!!
this is the page
<?php
include 'config.php';
?><BR>
Report for year <?php echo $_SESSION['year']; ?> semester <?php echo $_SESSION['sem']; ?>
<?php
// list of teachers Table rows and total hours
echo "<table border='0' id='hor-minimalist-b' >
<tr>
<th scope='col'>Instructor name</th>
<th scope='col'>Total hours for this semester</th>
</tr>";
//$gender = $_SESSION['gender'];
$year = $_SESSION['year'];
$sem = $_SESSION['sem'];
$tab = "Report$year$sem";
$query = "SELECT teacher, SUM(hours) FROM $tab GROUP BY teacher";
$result = mysql_query($query) ;
while($row = mysql_fetch_array($result))
{
$time = gmdate(DATE_RFC822);
//$gender = $_SESSION['gender'];
$year = $_SESSION['year'];
$sem = $_SESSION['sem'];
//$teacher = $_row['teacher'];
//$sumhours = $_row['SUM(hours)'];
echo "<tr>";
echo "<td> ". $row['teacher']." </td>";
echo "<td> ". $row['SUM(hours)']." </td>";
echo "</tr>";
}
echo "</table>";
?>
<!--chart-->
<html>
<head>
<!--Load the AJAX API-->
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
// Load the Visualization API and the piechart package.
google.load('visualization', '1.0', {'packages':['corechart']});
// Set a callback to run when the Google Visualization API is loaded.
google.setOnLoadCallback(drawChart);
// Callback that creates and populates a data table,
// instantiates the pie chart, passes in the data and
// draws it.
function drawChart() {
// Create the data table.
var data = new google.visualization.DataTable();
data.addColumn('string', 'Topping');
data.addColumn('number', 'hours');
data.addRows([
<?php
$queryr = "SELECT teacher, SUM(hours) FROM $tab GROUP BY teacher";
$resultr = mysql_query($queryr) ;
while($rowr = mysql_fetch_array($resultr))
{
$teacherr = $_rowr['teacher'];
$sumhoursr = $_rowr['SUM(hours)'];
echo "['".$rowr['teacher']."' , ".$rowr['SUM(hours)']."]," ;
}
?>
['', 0]
]);
// Set chart options
var options = {'title':'Contact hours/instructor',
'legend':'left',
'is3D':true,
'width':800,
'height':300};
// Instantiate and draw our chart, passing in some options.
var chart = new google.visualization.BarChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<!--Div that will hold the pie chart-->
<center><div id="chart_div"></div></center>
<form>
<input type="button" value="Print This Report" onclick="window.print();"> </form>
</body>
</html>
<?php
ob_end_flush();
?>
this is th config.php
<?php
$con = mysql_connect("localhost","hatimmak_ssp","userpass");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$sel = mysql_select_db("hatimmak_ssp", $con) or die();
?>
help me please 🙁
i suspect is the values of any of these: $tab, teacher, hours.
they need to match exactly on your host.