Extract a range of rows from CSV file using PHP - php

Question

I'm very new to PHP and have been experimenting with combining with css to turn a CSV file into a table on my site. I wondered if you could select to show just a range of rows from a CSV file, e.g. rows 5 to 20, and found the code below to show certain columns.
Is there a simple way to switch this to show selected rows instead?
<?php
$row = 1;
if (($handle = fopen("donors.csv", "r")) !== FALSE) {
while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
$num = count($data);
if ($row == 1) {
echo '<tr>';
}else{
echo '<tr>';
}
for ($c=0; $c < $num; $c++) {
if(empty($data[$c])) {
$value = " ";
}else{
$value = $data[$c];
}
if ($row == 1) {
echo '<td style="border-top: 1px solid rgb(111,180,224); border-left: 1px solid rgb(111,180,224); border-bottom: 1px solid rgb(111,180,224);" align="left" bgcolor="#0066cc" height="36" valign="middle" ><b><font color="#ffffff" size="2"> '.$value.' </font></b></td>';
}else{
echo '<td style=" border-bottom: 1px solid rgb(111,180,224);" sdval="9" sdnum="1040;" align="left" bgcolor="#ffffff" height="25" valign="middle"><font color="#000000" size="2"> '.$value.' </font></td>';
}
}
if ($row == 1) {
echo '</tr>';
}else{
echo '</tr>';
}
$row++;
}
echo '</tbody></table>';
echo '</center>';
fclose($handle);
}
?>

Answer 1

I'm not really sure to undestand what you want to display.
But on the test website i added a table which diplay a range of lines.
Here is the code of this table:
echo "<meta content=\"text/html; charset=utf-8\" http-equiv=\"Content-Type\"/>
<link rel=\"stylesheet\" type=\"text/css\" href=\"test.css\">";
$file = '/var/www/test/test.csv';
echo "<h1><b>Lines X to Y</b></h1>";
echo "<table>"; //create the html table
$x=2; //define the first line to display
$y=4; //define the last line to display
$line_counter=0;
foreach ($lines as $line) { //loop to fill your table with csv data
if($x<=$line_counter && $line_counter<=$y)
{
$expl = explode(",", $line); //explode each line on "," to create the rows
echo "<tr>"; //create each line of your table
$c=0;
while ($c<=26) { //loop to extract rows 5 to 20
if(($c % 2) == 1){ //odd rows
echo "<td class=\"odd\">".$expl[$c]."</td>";
}
elseif(($c == 0)){
echo "<td class=\"even\">".$expl[$c]."</td>";
}
else{
echo "<td class=\"even\">".$expl[$c]."</td>"; //even rows
}
$c++;
}
echo "</tr>";
$x++;
}
$line_counter++;
}
echo "</table>";
echo "<h1><b>content of the file</b></h1>";
foreach ($lines as $line) { //loop to fill your table with csv data
echo "$line<br/>" ;
}
The CSS is always in a separate file, and is the same as my first answer.

Answer 2

Select a range of rows:
i adapted this code from an old project, but it should work.
<?php
echo "<meta content=\"text/html; charset=utf-8\" http-equiv=\"Content-Type\"/>
<link rel=\"stylesheet\" type=\"text/css\" href=\"test.css\">";
$file = '/volume1/web/Print data.csv';
$lines = file($file);
if (file_exists($file)){
//echo "$file exists<br/>";
echo "<table>"; //create the html table
foreach ($lines as $line) { //loop to fill your table with csv data
$expl = explode(",", $line); //explode each line on "," to create the rows
echo "<tr>"; //create each line of your table
$c=5;
while ($c<=20) { //loop to extract rows 5 to 20
if(($c % 2) == 1){ //odd rows
echo "<td class=\"odd\">".$expl[$c]."</td>";
}
else{
echo "<td class=\"even\">".$expl[$c]."</td>"; //even rows
}
$c++;
}
echo "</tr>";
}
echo "</table>";
}
else{
echo "file is not here: $file";
}
?>
For the css:
you should use an external .cssfile with this code
.odd {
border-top: 1px solid rgb(111, 180, 224);
border-left: 1px solid rgb(111, 180, 224);
border-bottom: 1px solid rgb(111, 180, 224);
background:#0066cc;
color:white;
font-weight:bold;
font-size:12px;
}
.even {
border-bottom: 1px solid rgb(111, 180, 224);
background: #ffffff;
color:#000000;
font-size:12px;
}
To check this css you can see this jsfiddle
I hope it will help you.
Edit
Fixed some missing ;. Added an picture of the result

Answer 3

1) Fetch your CSV file to an array with the below function (source: jaywilliams # GIST)
function csv_to_array($filename='', $delimiter=',')
{
if(!file_exists($filename) || !is_readable($filename))
return FALSE;
$header = NULL;
$data = array();
if (($handle = fopen($filename, 'r')) !== FALSE)
{
while (($row = fgetcsv($handle, 1000, $delimiter)) !== FALSE)
{
if(!$header)
$header = $row;
else
$data[] = array_combine($header, $row);
}
fclose($handle);
}
return $data;
}
2) Iterate over the desired range of rows
$data = csv_to_array($file,$delimiter);
echo "your table header stuff"; //<table> ...
//first row numbered as 1
$from_row = 2; //second
$to_row = 50;
//first row numbered as 0
for($i = from_row-1; $i< $to_row-1; $i++)
{
echo "<tr>"; //start row
//now, every row of the CSV file is an array and consists of fileds=>values
//so now you are dealing with columns
foreach($data[$i] as $key=>$value
{
echo "<td>" . $value . "</td>";
}
echo "</tr>"; //end row
}
echo "your table footer stuff"; //</table> ...
From here, I guess you can do whatever your want, using CSS to style the tables. What is important, if you want the table header, you can feed the function with a CSV file with col names saved in first row.