php modify csv file
$myfile = 'sample_csv.csv';
$fin = fopen($myfile, 'r');
$data = array();
/***********
* header row
*/
$data[] = fgetcsv($fin, 1000);
/***********
* data rows
*/
while ($line = fgetcsv($fin, 1000)) {
echo join(', ', $line).'<br>';
for($i = 4, $k = count($line); $i < $k; $i++) {
if ($line[$i] < 1000) {
$line[$i] = 10000;
}
}
$data[] = $line;
}
fclose($fin);
/******************
* reopen file and
* write array to file
*/
$fout = fopen($myfile, 'w');
foreach ($data as $line) {
fputcsv($fout, $line);
}
fclose($fout);