- var_dump: documentation ( source)
- fputcsv: documentation ( source)
- stream_get_contents: documentation ( source)
- fclose: documentation ( source)
- rewind: documentation ( source)
- fopen: documentation ( source)
<?php
$row = array();
$row[] = 'a\\"';
$row[] = 'bbb';
$fp = fopen('php://memory', 'w+');
fputcsv($fp, $row, ',', '"', '~');
rewind($fp);
var_dump(stream_get_contents($fp));
fclose($fp);