Cryzabey

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<title>Bar Graph</title>
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<body>
<?php
// Creating Globals
$barLengths = array(); // Array that holds barLengths
$graphMaxPx; // Pixel length of the x-axis
$totalTicks = 0; // Number of tick marks

/* Main()
This is the main function. While it may utilize smaller functions in order to complete
it's main objective, it is ultimately the ring master of this show [:
*/

function getBargraph($bars, $tickIncrement, $tickLength, $bar_thickness, $title, $separator, $currencySymbol, $titleFont, $xAxisFont, $addTicks)
{
// Pulling Globals
global $barData;

// Setting Defaults
$barsDefault = 5;
$separatorDefault = ",";
$currencySymbolDefalut = "$";


/*
I think we'll start by making sure the right data-types were declared.
If they weren't we'll either kick out a default or an error
*/

// The Number of Bars
        // Make sure it's a number.
        if(gettype($bars) != "integer"){
                echo "Error: The Number of Bars must be an integer.<br />";
        // Verify that it's a reasonably small number.
        }
        if($bars > 5){
                $bars = $barsDefault;
        // Make sure the number is positive.
        }else if ($bars <= 0){
                echo "Error: It's rather silly to have 0 or less bars in a bar graph.<br />";
        }
// Tick Increment
        if(gettype($tickIncrement) != "integer"){
                echo "Error: The Tick Increment must be an integer (0 being auto-determine)<br />";
        }
// Tick Length (Distance Between Ticks)
        if(gettype($tickLength) != "integer"){
                echo "Error: The Tick Length must be an integer.<br />";
        }
// Bar Thickness
        if(gettype($bar_thickness) != "integer"){
                echo "Error: The Bar Thickness must be an integer.<br />";
        }
// The Title
        if(gettype($title) != "string"){
                echo "Error: The Title must be a string.<br />";
        }
// The [Currency] Seperator
        // Changing null to a blank string
        if($seperator == "Null" || $seperator == "null" || $seperator == "NULL"){
                $seperator = "";
        // Error handling for $separator.
        }else if(gettype($separator) != "string"){
                if($separator != "," || $separator != "." || $separator != ""){
                        $separator = $separatorDefault;
                }
        }
// Currency Symbol
        if(gettype($currencySymbol) != "string"){
                echo "Epic Fail!<br />";
        }


/*
Assesing ratios:
this part of the script determines the sizes of the various bars in the graph.
*/

        $values = array(1 => $barData["value"][1], 2 => $barData["value"][2], 3 => $barData["value"][3], 4 => $barData["value"][4], 5 => $barData["value"][5]);

        assess_ratios($values, $bars, $tickIncrement, $tickLength, $addTicks);


/*
Ahhh! The best part of the script. The end [; Here we're going to wrap things up by importing some global variables that were initialized in the last function and start piecing together the output using the data that's been collected, modified, and made usefull earlier in the script.
*/

// Pulling Some Globals
        global $barLengths; // Array that holds barLengths
        global $graphMaxPx; // Pixel length of the x-axis
        global $totalTicks; // Number of tick marks

// Some minor graphic related tweaks
        $tickLength -= 6; // To cover for the images width

// Kicking out XML
        // Graph Title
        echo "<!--- The Graph's Title --->\n";
        echo "<font style='" . $titleFont . "'>" . $title . "</font>\n";
        echo "<div style='background: url(images/spacer.gif); background-repeat: repeat; height: 10px; max-width: 100px;'></div>\n";
        // Individual Bars
        for ($counter = 1; $counter < ($bars + 1); $counter += 1)
        {
                bar_create($barLengths, $counter, $bar_thickness, $currencySymbol, $separator);
        }
        // X-axis Bar
        echo "<!--- X-Axis Display Code --->\n";
        echo "<div style='background: url(images/bar.jpg) repeat-x; width: " . $graphMaxPx . "px;' />\n";
        // Tick Marks
        echo "<img style='margin-bottom: 4px;' src='images/bar2.jpg' />\n";
        for($counter = 0; $counter < ($totalTicks); $counter += 1)
        {
                echo "<img style='margin-bottom: 4px; margin-left: " . $tickLength . "px;' src='images/bar2.jpg' />\n";
        }
        // Increments
        echo "<div style='" . $xAxisFont . " width: " . ($graphMaxPx + 50) . "'>
        <div style='display: inline; float: left; padding-bottom: 5px;'>" . $currencySymbol . "0</div>
        <div style='display: inline; float: left; padding-bottom: 5px; margin-left: " . ($tickLength - 18) . "px;'>" . $currencySymbol . "" . number_format($tickIncrement, 0, "", $separator) . "</div>\n";
        for($counter = 2; $counter < ($totalTicks + 1); $counter ++)
        {
                echo "<div style='display: inline; float: left; padding-bottom: 5px; margin-left: " . ($tickLength - 20) . "px;'>" . $currencySymbol . "" . number_format(($tickIncrement*$counter), 0, "", $separator) . "</div>\n";
        }
        echo "</div>";
}


/*

*/

function assess_ratios($values, $bars, $tickIncrement, $tickLength, $addTicks)
{

        // Initializing Variables
        $biggestValueIndex = 0; // The array position of the largest bar
        $biggestValue = 0; // The value of the largest bar

        // Checking for the highest salary
        for ($counter = 1; $counter < ($bars + 1); $counter += 1)
        {
                if($values[$counter] > $values[$counter + 1]){
                        if($biggestValueIndex > 0){
                                if($values[$counter] > $values[$biggestValueIndex]){
                                        $biggestValueIndex = $counter;
                                        $biggestValue = $values[$counter];
                                }
                        }else{
                                $biggestValueIndex = $counter;
                                $biggestValue = $values[$counter];
                        }
                }
        }


        // Initializing Variables
        global $graphMaxPx; // Pixel Length x-axis
        global $totalTicks; // Number of tick marks
        $whileCheck = "on"; // Handler for loop
        $graphMax; // Highest value of Graph
        $barMaxPx; // Longest Bars Length in pixels

        // Determining Number of ticks needed
        while ($whileCheck == "on" ) {
                $graphMax = $totalTicks*$tickIncrement;
                if($graphMax < $values[$biggestValueIndex]){
                        $totalTicks += 1;
                }else{
                        $graphMax = $totalTicks*$tickIncrement;
                        $barMaxPx = ($biggestValue/$graphMax)*(($totalTicks)*$tickLength);
                        $totalTicks += $addTicks;
                        $graphMaxPx = ($totalTicks*$tickLength) + 2;
                        $whileCheck = "off";
                }
        }

        //Initializing Variables
        global $barLengths; // Array that holds barLengths

        // Assigning Pixel Lengths for Bars
        for ($counter = 1; $counter < ($bars + 1); $counter +=1)
        {
                $barLengths[$counter] = (($values[$counter] / $graphMax)*$barMaxPx);
        }
}


/* Individual bar creation
This function works to create a single bar of the graph.
*/

function bar_create($barLengths, $currentBar, $bar_thickness, $currencySymbol, $separator)
{

global $barData;

// Current Bar Comment
echo "<!--- Bar " . $currentBar . "'s Display Code --->\n";
// Text Style and Bar Background
echo "<div style='display:block; height: " . $bar_thickness . "px;'>
        <div style='
        background-" . $barData["color"][$currentBar] . ";
        background-repeat: repeat;
        height: " . $bar_thickness . "px;
        width: " . $barLengths[$currentBar] . "px;
        float: left;
        line-height: " . $bar_thickness . "px;'>
        <div style='padding-left: 15px;
        " . $barData["font"][$currentBar] . "'>\n\t" .
                "" . $barData["label"][$currentBar] . "
        </div>
        </div>
        <div style='padding-top: 9px;'>
                &nbsp;&nbsp;&nbsp; " . $currencySymbol . "" . number_format($barData["value"][$currentBar], 0, "", $separator) . "
        </div>
</div>\n";
// Spacer
echo "<img src='images/spacer.gif' height='2px' />";
echo "<div style='background: url(images/spacer.gif); background-repeat: repeat; height: 2px; width: " . $barLengths[$currentBar] . "px;'></div>\n";
}
?>


<?php

/* Creating Bar Arrays
Info for the various bars being used.
Simply leave a field as 0, Null, or delete it altogether if you don't intend to use that many bars.
*/

$barData = array ( "value" => array (  1 => 100000,
                                       2 => 78000,
                                       3 => 50000,
                                                                           4 => 25000,
                                                                           5 => 20000
                                     ),
                  "label"  => array (  1 => "Job One",
                                       2 => "Job Two",
                                       3 => "Job Three",
                                       4 => "Job Four",
                                       5 => "Job Five"
                                     ),
                                  "color"  => array (  1 => "image: url(images/r33.gif)",
                                                                           2 => "image: url(images/g33.gif)",
                                                                           3 => "image: url(images/b33.gif)",
                                                                           4 => "image: url(images/o33.gif)",
                                                                           5 => "color: #9900ff"
                                                                         ),
                  "font"   => array (  1 => "color: #000000; font-size: 12px; font-style: normal; font-weight: bold;",
                                                                       2 => "color: #000000; font-size: 12px; font-style: normal; font-weight: bold;",
                                                                           3 => "color: #000000; font-size: 12px; font-style: normal; font-weight: bold;",
                                                                           4 => "color: #000000; font-size: 12px; font-style: normal; font-weight: bold;",
                                                                           5 => "color: #000000; font-size: 12px; font-style: normal; font-weight: bold;"
                                     )
                );

/*  Parameters asked for in the getBargraph(); Function

        # of bars -- X-Axis Increments ($) -- Pixels Between Ticks
        Thickness of the Bars -- Title of Graph -- Seperator (. , or Null)
        Currency Symbol (Text or Null) -- Title -- X-Axis Font
        Additional Tick Marks (#)
*/
?>


<?php
getBargraph(5, 20000, 100, 33, "The Title [:", ",", "$", "color: #000000; font-size: 22px; font-style: normal; font-weight: bold; margin-left: 25px;", "color: #000000; font-size: 8px; font-style: normal; font-weight: normal;", 2);
?>

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</html>