/**
* Writes a single row to a CSV file, merging headers before writing, if needed.
* @param array $array The row to write to the file.
* @param string $filename The path to the file to write to.
* @param string $delim A single character noting the delimiter in the file.
* @see readCsv()
* @see writeCsv()
*/
function writeLineToFile(array $array, $filename, $delim = ',')
{
if (!FileExists($filename)) {
// file doesn't exist, write away
$file = fForceOpen($filename, "wb");
fputcsv($file, array_keys($array), $delim);
fputcsv($file, $array, $delim);
} else {
// file already exists, need to merge headers before writing
$data = readCsv($filename, $delim);
$headers = array_flip($data[0]);
$newHeaders = array_diff_key($array, $headers);
if (count($newHeaders) > 0) {
$headers = $headers + $newHeaders;
$data[0] = array_keys($headers);
$data[] = SortArrayLikeArray($array, $headers);
writeCsv($filename, $data, $delim);
} else {
writeCsv($filename, array(SortArrayLikeArray($array, $headers)), $delim, true);
}
}
return $array;
}
<?php
require "dbConnect.php";
require "personalFunctions.php";
if (isset($_POST['table']) && isset($_POST['format'])) {
$sql = 'SELECT * FROM ' . $_POST['table'];
$result = $dbo->query($sql);
$rows = $result->fetchAll(PDO::FETCH_ASSOC);
unset($dbo);
switch ($_POST['format']) {
case 'csv':
writeCsv($rows);
break;
case 'json':
writeJson($rows);
break;
case 'xml':
writeXml($rows);
break;
}
} else {
$result = $dbo->query('SHOW TABLES');
unset($dbo);
}
if (isset($exportOptions['delimiter'])) {
$delimiter = $exportOptions['delimiter'];
}
if (isset($exportOptions['enclosure'])) {
$enclosure = $exportOptions['enclosure'];
}
//send header
header("Content-Type: application/force-download");
header("Content-Disposition: attachment; filename=output.csv");
//open filehandler
$outstream = fopen("php://output", 'w');
//generate CSV header
$csvHeader = array();
$csvHeader[] = gettext("AssetID");
$csvHeader[] = gettext("Active");
foreach ($fieldnames as $fieldname) {
$csvHeader[] = $fieldname;
}
writeCsv($outstream, $csvHeader, $delimiter, $enclosure);
//generate CSV output data
foreach ($objects as $object) {
$dataset = array();
$dataset[] = $object->getId();
$dataset[] = $object->getStatus();
foreach ($fieldnames as $fieldname) {
$dataset[] = $object->getFieldValue($fieldname);
}
writeCsv($outstream, $dataset, $delimiter, $enclosure);
}
//close filehandler
fclose($outstream);
