通过PHP导出到CSV
在处理数据时候经常要生成csv文件, 下面代码片断就是简单的生成文件下载文件:
<?php
function arrayToCsv(array &$array) {
if (count($array) == 0) {
return null;
}
ob_start();
$df = fopen("php://output", 'w');
fputcsv($df, array_keys(reset($array)));
foreach ($array as $row) {
fputcsv($df, $row);
}
fclose($df);
return ob_get_clean();
}
function downloadSendHeaders($filename) {
// disable caching
$now = gmdate("D, d M Y H:i:s");
header("Expires: Tue, 03 Jul 2001 06:00:00 GMT");
header("Cache-Control: max-age=0, no-cache, must-revalidate, proxy-revalidate");
header("Last-Modified: {$now} GMT");
// force download
header("Content-Type: application/force-download");
header("Content-Type: application/octet-stream");
header("Content-Type: application/download");
// disposition / encoding on response body
header("Content-Disposition: attachment;filename={$filename}");
header("Content-Transfer-Encoding: binary");
}
Usage example:
$array = [
['aaa', 'bbb', 'ccc', 'dddd'],
['123', '456', '789'],
['"aaa"', '"bbb"']
];
downloadSendHeaders("data_export_" . date("Y-m-d") . ".csv");
echo arrayToCsv($array);