3v4l.org

run code in 200+ PHP versions simultaneously
<?php $str = 'blah"'; fputcsv(STDOUT, [$str,$str]); $csv = '"blah""","blah"""'; var_dump(str_getcsv($csv));
based on QSHfX
Output for 7.1.25 - 7.3.5
"blah""","blah""" array(2) { [0]=> string(5) "blah"" [1]=> string(5) "blah"" }