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brotherhood_of_LAN - 11:35 pm on Feb 11, 2012 (gmt 0)
yes, array_shift will return the first element of an array and reduce the array's length by one. It's worth noting that in your example, 'field2' would be returned in 2 array values as per [php.net...]
The one line solution would be:
$desired_bit = array_shift(mysql_fetch_array(mysql_query("SELECT field2 FROM table1 WHERE row_ID = 7")));
but it would probably be sensible to see that the query did execute without a problem.