convert array to csv laravel

1Instead of writing out values consider using 'fputcsv()'.
2
3This may solve your problem immediately.
4
5function array2csv($data, $delimiter = ',', $enclosure = '"', $escape_char = "\\")
6{
7    $f = fopen('php://memory', 'r+');
8    foreach ($data as $item) {
9        fputcsv($f, $item, $delimiter, $enclosure, $escape_char);
10    }
11    rewind($f);
12    return stream_get_contents($f);
13}
14
15$list = array (
16    array('aaa', 'bbb', 'ccc', 'dddd'),
17    array('123', '456', '789'),
18    array('"aaa"', '"bbb"')
19);
20var_dump(array2csv($list));
21
22/*
23I hope it will help you.
24Namaste
25Stay Home Stay Safe
26*/

1/**
2 * Takes in a filename and an array associative data array and outputs a csv file
3 * @param string $fileName
4 * @param array $assocDataArray     
5 */
6public function outputCsv($fileName, $assocDataArray)
7{
8    ob_clean();
9    header('Pragma: public');
10    header('Expires: 0');
11    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
12    header('Cache-Control: private', false);
13    header('Content-Type: text/csv');
14    header('Content-Disposition: attachment;filename=' . $fileName);    
15    if(isset($assocDataArray['0'])){
16        $fp = fopen('php://output', 'w');
17        fputcsv($fp, array_keys($assocDataArray['0']));
18        foreach($assocDataArray AS $values){
19            fputcsv($fp, $values);
20        }
21        fclose($fp);
22    }
23    ob_flush();
24}
25// Call function
26  $allData = Subscription::all();
27  $data = array();
28	foreach ($allData as $key => $value) 
29	{
30		$fields = array( 'S.No' => $value->id, 'Email' => $value->email, 'Date' => date('Y-m-d',strtotime($value->created_at)));
31		$data[] = $fields;
32	}
33	$filename = date('Y-m-d H:i:s').' - subcription_data.csv';
34	outputCsv($filename, $data);
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