Graphics
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<?PHP
/* *****************
Random Image with Link 2.01
jasendorf@lcounty.com
This uses $level from my code for
the link level determiner
***************** */
function display_random_img($align)
{
//seed the random number generator
mt_srand((double)microtime()*1000000);
//get a random number
$rand_image = mt_rand(0 , 1);
// +++Array of URLs+++
//Corresponding numbers will start with 0.
//When adding images and directories
//remember to increase mt_rand max number
$arr_numlinks = array(
array('num' => '0' ,
'url' => 'hr/' ,
'alt' => 'did you know? Human Resources posts job listings for many of the Licking County positions which open up each year. Click here to find out more!'
),
array('num' => '1' ,
'url' => 'is/' ,
'alt' => 'did you know? The Information Systems Department coordinates dozens of servers for county operations. Click here to find out more'
)
);
//match random number with a URL and assign it a string value
$key = $rand_image;
$rand_image_num = $arr_numlinks[$key][num];
$link_url = $arr_numlinks[$key][url];
$alt_tag = $arr_numlinks[$key][alt];
//use number to create a image URL string
//create directory /rotators in the images directory
//name rotating images rotate[number].jpg
$rand_image_url = "${levels}images/rotators/rotate${rand_image_num}.gif";
//figure out the image size (thanks jsalido)
$imgsize = GetImageSize ("$rand_image_url");
$img_w = $imgsize[0];
$img_h = $imgsize[1];
//echo the image and its URL
echo "<a href="${levels}${link_url}">";
echo "<img src="$rand_image_url" align ="$align" border="0" ";
echo "width="$img_w" heigth="$img_h" ";
echo "alt="$alt_tag">";
echo "</a>";
}
display_random_img('right');
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Usage Example
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