Paul Halliday wrote: > On Tue, May 11, 2010 at 2:25 PM, Jim Lucas <lists@xxxxxxxxx> wrote: >> Paul Halliday wrote: >>> I have this: >>> >>> while ($row = mysql_fetch_array($theData[0])) { >>> >>> $col1[] = $row[0]; >>> $col2[] = lookup($row[1]); // this goes off and gets the country name. >>> >>> I then loop through col1 and col2 to produce something like this: >>> >>> 52 ARMENIA >>> 215 CANADA >>> 57 CANADA >>> 261 COLOMBIA >>> 53 EGYPT >>> 62 INDIA >>> 50 INDIA >>> >>> Is there a way I can group these? >>> >>> Thanks! >>> >> Group them?? >> >> How about this >> >> while ($row = mysql_fetch_array($theData[0])) { >> >> $col1[lookup($row[1])][] = $row[0]; >> >> which, using the data you showed, will give you this >> >> >> Array >> ( >> [ARMENIA] => Array >> ( >> [0] => 52 >> ) >> >> [CANADA] => Array >> ( >> [0] => 215 >> [1] => 57 >> ) >> >> [COLOMBIA] => Array >> ( >> [0] => 261 >> ) >> >> [EGYPT] => Array >> ( >> [0] => 53 >> ) >> >> [INDIA] => Array >> ( >> [0] => 62 >> [1] => 50 >> ) >> >> ) >> >> -- >> Jim Lucas >> >> "Some men are born to greatness, some achieve greatness, >> and some have greatness thrust upon them." >> >> Twelfth Night, Act II, Scene V >> by William Shakespeare >> > > I was actually hoping to have them arranged like: > > $col1[0] = INDIA > $col2[0] = 112 > $col1[1] = CANADA > $col2[1] = 272 > ... > > Thanks. > Well, then take what I gave you and do this: $group[lookup($row[1])][] = $row[0]; foreach ( $group AS $x => $y ) { $col1[] = $x; $col2[] = array_sum($y); } In the end you will end up with this <plaintext><?php $data = array( array(52, 'ARMENIA'), array(215, 'CANADA'), array(57, 'CANADA'), array(261, 'COLOMBIA'), array(53, 'EGYPT'), array(62, 'INDIA'), array(50, 'INDIA'), ); foreach ( $data AS $row ) { $group[$row[1]][] = $row[0]; } print_r($group); foreach ( $group AS $x => $y ) { $col1[] = $x; $col2[] = array_sum($y); } print_r($col1); print_r($col2); -- Jim Lucas "Some men are born to greatness, some achieve greatness, and some have greatness thrust upon them." Twelfth Night, Act II, Scene V by William Shakespeare -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php