Souke/common/helpers/CSV.php

<?php

namespace common\helpers;

class CSV {
	
	public static function array2csv(array &$array) {
	   if (count($array) == 0) {
	     return null;
	   }
	   ob_start();
	   $df = fopen("php://output", 'w');
	   // clés
	   //fputcsv($df, array_keys(reset($array)));
	   foreach ($array as $row) {
	      fputcsv($df, $row);
	   }
	   fclose($df);
	   return ob_get_clean();
	}
	
	public static 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
	 *  download_send_headers("data_export_" . date("Y-m-d") . ".csv");
		echo array2csv($array);
		die();
	 */
	
}