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president.php
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president.php
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<?php
ob_start();
$link = mysql_connect("localhost", "root", "");
mysql_select_db("voting_db", $link);
$pres = 'Aspirant 1';
$result = mysql_query("SELECT president FROM votes", $link);
$num_row = mysql_num_rows($result);
$results1 = mysql_query("SELECT president FROM votes WHERE president = '$pres'", $link);
$num_rows1 = mysql_num_rows($results1);
$num1 = "$num_row";
$nums1 = "$num_rows1 ";
$div1 = ($nums1/$num1)*100;
$ron1=round($div1,2);
$pres2 = 'Aspirant 2';
$results2 = mysql_query("SELECT president FROM votes WHERE president = '$pres2'", $link);
$num_rows2 = mysql_num_rows($results2);
$num2 = "$num_row";
$nums2 = "$num_rows2 ";
$div2 = ($nums2/$num1)*100;
$ron2=round($div2,2);
$pres3 = 'Aspirant 3';
$results3 = mysql_query("SELECT president FROM votes WHERE president = '$pres3'", $link);
$num_rows3 = mysql_num_rows($results3);
$num3 = "$num_row";
$nums3 = "$num_rows3 ";
$div3 = ($nums3/$num1)*100;
$ron3=round($div3,2);
$pres4 = 'Aspirant 4';
$results4 = mysql_query("SELECT president FROM votes WHERE president = '$pres4'", $link);
$num_rows4 = mysql_num_rows($results4);
$num4 = "$num_row";
$nums4 = "$num_rows4 ";
$div4 = ($nums4/$num1)*100;
$ron4=round($div4,2);
$pres5 = 'Aspirant 5';
$results5 = mysql_query("SELECT president FROM votes WHERE president = '$pres5'", $link);
$num_rows5 = mysql_num_rows($results5);
$num5 = "$num_row";
$nums5 = "$num_rows5 ";
$div5 = ($nums5/$num1)*100;
$ron5=round($div5,2);
//echo $ron;
/*<?*/
# ------- The graph values in the form of associative array
$values=array(
"Aspirant 1" => $ron1,
"Aspirant 2" => $ron2,
"Aspirant 3" => $ron3,
"Aspirant 4" => $ron4,
"Aspirant 5" => $ron5
);
$img_width=1280;
$img_height=650;
$margins= 50;
# ---- Find the size of graph by substracting the size of borders
$graph_width=$img_width - $margins * 2;
$graph_height=$img_height - $margins * 2;
$img=imagecreate($img_width,$img_height);
$bar_width=20;
$total_bars=count($values);
$gap= ($graph_width- $total_bars * $bar_width ) / ($total_bars +1);
# ------- Define Colors ----------------
$bar_color=imagecolorallocate($img,0,64,128);
$background_color=imagecolorallocate($img,240,240,255);
$border_color=imagecolorallocate($img,200,200,200);
$line_color=imagecolorallocate($img,220,220,220);
# ------ Create the border around the graph ------
imagefilledrectangle($img,1,1,$img_width-2,$img_height-2,$border_color);
imagefilledrectangle($img,$margins,$margins,$img_width-1-$margins,$img_height-1-$margins,$background_color);
# ------- Max value is required to adjust the scale -------
$max_value=max($values);
$ratio= $graph_height/$max_value;
# -------- Create scale and draw horizontal lines --------
$horizontal_lines=30;
$horizontal_gap=$graph_height/$horizontal_lines;
for($i=1;$i<=$horizontal_lines;$i++){
$y=$img_height - $margins - $horizontal_gap * $i ;
imageline($img,$margins,$y,$img_width-$margins,$y,$line_color);
$v=intval($horizontal_gap * $i /$ratio);
imagestring($img,0,10,$y-5,$v,$bar_color);
}
# ----------- Draw the bars here ------
for($i=0;$i< $total_bars; $i++){
# ------ Extract key and value pair from the current pointer position
list($key,$value)=each($values);
$x1= $margins + $gap + $i * ($gap+$bar_width) ;
$x2= $x1 + $bar_width;
$y1=$margins +$graph_height- intval($value * $ratio) ;
$y2=$img_height-$margins;
imagestring($img,0,$x1+3,$y1-10,$value,$bar_color);
imagestring($img,0,$x1+3,$img_height-15,$key,$bar_color);
imagefilledrectangle($img,$x1,$y1,$x2,$y2,$bar_color);
}
header("Content-type:image/png");
imagepng($img);
?>
<html>
<head>
<meta HTTP-EQUIV="refresh" CONTENT="0;president.php">
</head>
</html>