PHP: Create CSV file format in php
fputcsv
Description
int fputcsv ( resource handle [, array fields [, string delimiter [, string enclosure]]] )fputcsv() formats a line (passed as a
fields array) as CSV and write it to the specified file handle. Returns the length of the written string, or FALSE on failure. The optional
delimiter parameter sets the field  delimiter (one character only). Defaults as a comma: ,.  The optional
enclosure parameter sets the field  enclosure (one character only) and defaults to a double quotation mark: ". 