mysql_fetch_array ? Fetch a result row as an associative array, a numeric array, or both. Returns an array that corresponds to the fetched row and moves the internal data pointer ahead.

mysql_fetch_object ? Fetch a result row as an object. Returns an object with properties that correspond to the fetched row and moves the internal data pointer ahead.

mysql_fetch_row ? Get a result row as an enumerated array. Returns a numerical array that corresponds to the fetched row and moves the internal data pointer ahead.