PHP :: Aufgabe #3 :: Lösung #3
HTML-Code<!DOCTYPE html> <html> <head> <title>CSV</title> <meta charset="utf-8"> </head> <body> <form method="POST" style="margin-bottom:10px;"> <fieldset> <legend>Diagramm oder Tabelle?</legend> <input type="text" name="eingabe"> <br><br> <input type="submit" name=""> </fieldset> </form> </body> </html>
PHP-Code
<?php
if(isset($_POST['eingabe']))
{
$filepath = "C:\\xampp\\htdocs\\PHP_scripts\\eukurs.csv";
$standardarray = getCSVinArray($filepath);
if(strtolower($_POST['eingabe']) == "diagramm")
{
CSVtoDiagram($standardarray);
}
else if(strtolower($_POST['eingabe']) == "tabelle")
{
CSVtoTable($standardarray);
}
else
{
echo "Es wurde keine der beiden Optionen gewählt! Tippen Sie in das Textfeld \"Diagramm\" oder \"Tabelle\" ein!";
}
}
function getCSVinArray($path)
{
$temparray = file($path);
$valuearray[] = array();
for($i = 0; $i < count($temparray); $i++)
{
$valuearray[$i] = explode(";", $temparray[$i]);
}
return $valuearray;
}
function CSVtoTable($array)
{
echo "<style>table{width:100%;}td,th{padding:8px;text-align:left;border:1px solid #dddddd;</style>";
echo "<table>
<tr>
<th>". $array[0][0] ."</th>
<th>". $array[0][1] ."</th>
<th>". $array[0][2] ."</th>
<th>". $array[0][3] ."</th>
<th>". $array[0][4] ."</th>
</tr>";
for($j = 1; $j <= count($array)-1; $j++)
{
$timestamp = strtotime($array[$j][0]);
$newtime = date('d.m.y', $timestamp);
echo "<tr>
<td>". $newtime ."</td>
<td>". $array[$j][1] ."</td>
<td>". $array[$j][2] ."</td>
<td>". $array[$j][3] ."</td>
<td>". $array[$j][4] ."</td>
</tr>";
}
echo "</table>";
}
function CSVtoDiagram($array)
{
$countbalken = count($array);
while($countbalken % 4 != 0)
{
$countbalken -= 1;
}
echo "<svg width=\"100%\" height=\"500\" style=\"border: 1px solid black;\">";
$i = 0;
$x = 0;
while($i <= $countbalken)
{
if($i != 0)
{
$temp = $array[$i][4];
$float = floatval(str_replace(",", ".", $temp)) * 300;
echo "<rect id=\"" . $i ."\" x=\"" . $x . "\" y=\"0\" width=\"6\" height=\"" . $float . "\" style=\"fill:rgb(0,0,255);stroke:black;\" />";
$x += 15;
}
$i += 4;
}
echo "</svg>";
}
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