3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'blah"'; fputcsv(STDOUT, [$str,$str]); $csv = '"blah"""'; var_dump(str_getcsv($csv));
Output for 7.1.25 - 7.1.28, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
"blah""","blah""" array(1) { [0]=> string(5) "blah"" }
preferences:
171.92 ms | 403 KiB | 163 Q