Online PHP editor | output for jJV8i

<?php $array["\r\nNo quotation marks:\r\n"] = 'Column1|Column2|Column3|Column4'; $array["\r\nQuotation marks on every column:\r\n"] = '"Column1"|"Column2"|"Column3"|"Column4"'; $array["\r\nQuotation marks on first column only:\r\n"] = '"Column1"|Column2|Column3|Column4'; $array["\r\nQuotation marks on last column only:\r\n"] = 'Column1|Column2|Column3|"Column4"'; $array["\r\nQuotation marks around empty first column:\r\n"] = '""|Column2|Column3|Column4'; $array["\r\nQuotation marks around empty middle column:\r\n"] = 'Column1|""|Column3|Column4'; $array["\r\nQuotation marks around empty last column:\r\n"] = 'Column1|Column2|Column3|""'; $array["\r\nUnescaped quotation marks:\r\n"] = '"Column"1""|Column2|Column3|Column4'; $array["\r\nEscaped quotation marks:\r\n"] = '"Column\"1\""|Column2|Column3|Column4'; $delimiter = '\\|'; $enclosure = '"'; foreach($array as $id => $row){ echo $id; echo $row."\r\n"; $row = preg_replace("/(?:(?<=^|{$delimiter}){$enclosure})|(?:{$enclosure}(?=$|{$delimiter}))/",'',$row); echo $row."\r\n"; }