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Populate Google Charts via PHP database query
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| <html> | |
| <head> | |
| <title>Weight Tracker</title> | |
| </head> | |
| <body> | |
| <?php | |
| $username = ""; | |
| $password = ""; | |
| $hostname = ""; | |
| //connect to database | |
| $dbhandle = mysql_connect($hostname, $username, $password) | |
| or die("Unable to connect to MySQL"); | |
| echo "Connected to MySQL<br>"; | |
| //select database | |
| $selected = mysql_select_db("db541682804",$dbhandle) | |
| or die("Could not select examples"); | |
| //execute query | |
| $result = mysql_query("SELECT id, date, weight FROM weight_tracker"); | |
| //fetch data | |
| while ($row = mysql_fetch_array($result)) { | |
| $entry .= "['".$row{'date'}."',".$row{'weight'}."],"; | |
| } | |
| //close the connection | |
| mysql_close($dbhandle); | |
| ?> | |
| <div id="chart_div" style="width: 100%; height: 500px;"></div> | |
| <script type="text/javascript" src="https://www.google.com/jsapi"></script> | |
| <script type="text/javascript"> | |
| google.load("visualization", "1", {packages:["corechart"]}); | |
| google.setOnLoadCallback(drawChart); | |
| function drawChart() { | |
| var data = google.visualization.arrayToDataTable([ | |
| ['Date', 'Weight'], | |
| <?php echo $entry ?> | |
| ]); | |
| var options = { | |
| title: 'Weight Tracker', | |
| curveType: 'function', | |
| legend: { position: 'bottom' } | |
| }; | |
| var chart = new google.visualization.LineChart(document.getElementById('chart_div')); | |
| chart.draw(data, options); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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