Technical Side of E-Business Juncture » PHP http://tech.ebusinessjuncture.com Tech Tips Mon, 22 Feb 2010 22:47:03 +0000 http://wordpress.org/?v=abc en hourly 1 PHP: script using php and gd to generate or create a histogram http://tech.ebusinessjuncture.com/2009/12/php-script-using-php-and-gd-to-generate-or-create-a-histogram/ http://tech.ebusinessjuncture.com/2009/12/php-script-using-php-and-gd-to-generate-or-create-a-histogram/#comments Sun, 27 Dec 2009 02:02:47 +0000 Mike Kniaziewicz http://tech.ebusinessjuncture.com/?p=289 Here is a simple script to create a histogram using mysql, php and gd. The key point to remember here is to create a “SELECT” only account for extracting the records. Do not provide any more privileges than you have to provide. Please comment if you have a different way to perform the same task.

Here is the final image followed by the code:
Histogram

Here are the contents of the pbimages_histogram.php file

#Let us get our database from a mysql database
#First we need to connect to the database or die trying
# I would create an account with read-only or select only access
$lottery_con = mysql_connect('localhost','select_lottery','1234try');
if (!$lottery_con){
	 die ('Could not connect to lottery');
   }
mysql_select_db("lottery") or die (mysql_error());

#Let us create our first query
$wb1_match_pb = mysql_query("SELECT count(wb1) FROM lottery
 where wb1 = pb");
$wb2_match_pb = mysql_query("SELECT count(wb2) FROM lottery
 where wb2 = pb");
$wb3_match_pb = mysql_query("SELECT count(wb3) FROM lottery
 where wb3 = pb");
$wb4_match_pb = mysql_query("SELECT count(wb4) FROM lottery
 where wb4 = pb");
$wb5_match_pb = mysql_query("SELECT count(wb5) FROM lottery
 where wb5 = pb");
$tot_record = mysql_query("SELECT count(pb) FROM lottery");
#As soon as you connect make sure you create the close
 connection
$cntwb1 = mysql_fetch_array($wb1_match_pb);
$cntwb2 = mysql_fetch_array($wb2_match_pb);
$cntwb3 = mysql_fetch_array($wb3_match_pb);
$cntwb4 = mysql_fetch_array($wb4_match_pb);
$cntwb5 = mysql_fetch_array($wb5_match_pb);
$cntwbT = $cntwb1[0] + $cntwb2[0] + $cntwb3[0] + $cntwb4[0]
 + $cntwb5[0];
$cnttr = mysql_fetch_array($tot_record);
mysql_close($lottery_con);
#Let us create the histogram
$pb_histogram_image = imagecreate(250,215)
      or die('Cannot Initialize new GD image stream');
$pb_text = imagecolorallocate($pb_histogram_image,0,0,0);
$blue = imagecolorallocate($pb_histogram_image, 0, 0, 255);
$black = imagecolorallocate($pb_histogram_image,0,0,0);
$red = imagecolorallocate($pb_histogram_image, 255, 0, 0);
$green = imagecolorallocate($pb_histogram_image,0,255,0);
$gray = imagecolorallocate($pb_histogram_image,150,150,150);
$orange = imagecolorallocate($pb_histogram_image,255,127,0);
$coral = imagecolorallocate($pb_histogram_image,240,128,128);
$white = imagecolorallocate($pb_histogram_image, 255, 255, 255);
imagefilltoborder($pb_histogram_image,0,0,$black,$white);
imageline($pb_histogram_image,0,0,0,250,$black);
imageline($pb_histogram_image,0,0,250,0,$black);
imageline($pb_histogram_image,249,0,249,213,$black);
imageline($pb_histogram_image,0,214,250,214,$black);
#Let us add the counts
imagestring($pb_histogram_image,2,15,200,"wb1",$black);
imagestring($pb_histogram_image,2,60,200,"wb2",$black);
imagestring($pb_histogram_image,2,95,200 ,"wb3",$black);
imagestring($pb_histogram_image,2,140,200,"wb4",$black);
imagestring($pb_histogram_image,2,180,200 ,"wb5",$black);
imagestring($pb_histogram_image,2,213,200,"wb Tot",$black);
imagestring($pb_histogram_image,3,10,20,"    Histogram of
 white balls",$black);
imagestring($pb_histogram_image,3,10,35,"       matching
powerball",$black);
imagestring($pb_histogram_image,3,10,50,"         Records:
 " . $cnttr[0],$black);
imagestring($pb_histogram_image,2,15,200 - $cntwb1[0] - 20,
$cntwb1[0],$black);
imagestring($pb_histogram_image,2,60,200 - $cntwb2[0] - 20,
$cntwb2[0],$black);
imagestring($pb_histogram_image,2,95,200 - $cntwb3[0] - 20,
$cntwb3[0],$black);
imagestring($pb_histogram_image,2,140,200 - $cntwb4[0] - 20,
$cntwb4[0],$black);
imagestring($pb_histogram_image,2,180,200 - $cntwb5[0] - 20,
$cntwb5[0],$black);
imagestring($pb_histogram_image,2,220,200 - $cntwbT - 20,
$cntwbT,$black);
#Let us make the bars
imagefilledrectangle($pb_histogram_image,5,200,40,200 -
$cntwb1[0],$blue);
imagefilledrectangle($pb_histogram_image,45,200,80,200 -
$cntwb2[0],$red);
imagefilledrectangle($pb_histogram_image,85,200,120,200 -
$cntwb3[0],$green);
imagefilledrectangle($pb_histogram_image,125,200,155,200 -
$cntwb4[0],$gray);
imagefilledrectangle($pb_histogram_image,165,200,205,200 -
$cntwb5[0],$orange);
imagefilledrectangle($pb_histogram_image,210,200,245,200 -
$cntwbT,$coral);

header ('Content-type: image/png');
imagepng($pb_histogram_image);
imagedestroy($pb_histogram_image);

Let me know what you think and as always please check out the offerings of my sponsors.

]]> http://tech.ebusinessjuncture.com/2009/12/php-script-using-php-and-gd-to-generate-or-create-a-histogram/feed/ 1 PHP: script to generate powerball numbers using php and gd http://tech.ebusinessjuncture.com/2009/12/php-script-to-generate-powerball-numbers-using-php-and-gd/ http://tech.ebusinessjuncture.com/2009/12/php-script-to-generate-powerball-numbers-using-php-and-gd/#comments Tue, 22 Dec 2009 20:51:52 +0000 Mike Kniaziewicz http://tech.ebusinessjuncture.com/?p=286 Here is the php script to generate your own powerball numbers using php and gd:
createimage.php

$pb_bg_image = imagecreate(380, 75)
      or die('Cannot Initialize new GD image stream');
$pb_bg = imagecolorallocate($pb_bg_image, 255, 255, 255);
$white = imagecolorallocate($pb_bg_image, 255, 255, 255);
$gray = imagecolorallocate($pb_bg_image, 185, 185, 185);
$red = imagecolorallocate($pb_bg_image,255,0,0);
$black = imagecolorallocate($pb_bg_image,255,50,50);
imagefilledarc($pb_bg_image, 28, 38, 58, 54,  0, 360, $gray,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 30, 38, 50, 50,  0, 360, $white,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 92, 38, 58, 54,  0, 360, $gray,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 94, 38, 50, 50,  0, 360, $white,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 156, 38, 58, 54,  0, 360, $gray,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 158, 38, 50, 50,  0, 360, $white,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 218, 38, 58, 54,  0, 360, $gray,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 220, 38, 50, 50,  0, 360, $white,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 280, 38, 58, 54,  0, 360, $gray,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 282, 38, 50, 50,  0, 360, $white,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 343, 38, 58, 54,  0, 360, $black,IMG_ARC_PIE);
imagefilledarc($pb_bg_image, 345, 38, 50, 50,  0, 360, $red,IMG_ARC_PIE);
#header ('Content-type: image/png');
imagepng($pb_bg_image);
imagedestroy($pb_bg_image);

number_generator.php

	</form>
<?php
	$pb = mt_rand(1,42);
	$wb1 = mt_rand(1,59);
	if($wb1 == 56){
		$wb1 = mt_rand(1,59);
	}
	$wb2 = mt_rand(1,59);
	$wb3 = mt_rand(1,59);
	$wb4 = mt_rand(1,59);
	if($wb4 == 57 || $wb4 == 58){
		$wb4 = mt_rand(1,59);
	}
	$wb5 = mt_rand(1,59);
	if($wb5 == 56){
		$wb5 = mt_rand(1,59);
	}

	?>
	</td></tr><tr><td>
	 <?php echo "<b>YOUR POWERBALL NUMBERS ARE:</b>
<table style='background-image:url(http://localhost/ebj/pbimage.php)
;text-align:center;font-weight:bold;font-size:1.5em' width=380px
 height=75px><tr><td width=54px >" . $wb1 . "</td><td width=54px>"
. $wb2 . "</td><td width=54px>" . $wb3 . "</td><td width=54px>" .
$wb4 . "</td><td width=54px>" . $wb5 . "</td><td style='color:white'
 width=54px>" . $pb . "</td></tr></table>"; ?>
	</td></tr><tr><td><br /><br />

See it in action at: Powerball Number Generator

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