Online PHP editor | output for 4U1CQ

<?php $delimiter = ','; $enclosure = '"'; $escape_char = "@"; $row_before = [ 'A', "[{$enclosure}a{$enclosure}{$delimiter}{$enclosure}{$escape_char}{$escape_char}{$enclosure}{$delimiter}{$enclosure}b{$enclosure}]", 'B', ]; print "\nBEFORE:\n"; var_export($row_before); print "\n"; $fh = fopen($file = 'php://temp', 'rb+'); # fputcsv($fh,$row_before,$delimiter,$enclosure, $escape_char); fwrite($fh, 'A,"[""a"",""@@"",""b""]",B'); rewind($fh); $row_plain = fread($fh, 1000); print "\nPLAIN:\n"; var_export($row_plain); print "\n"; rewind($fh); $row_after = fgetcsv($fh, 500,$delimiter,$enclosure, $escape_char); print "\nAFTER:\n"; var_export($row_after); print "\n\n"; fclose($fh);