if123

//-- data initialization
/*$data=array(
array('doni',2000),
array('dani',1000),
array('dini',500),
array('rani',2000),
array('doni',1500),
array('dani',2000),
array('dini',3000),
array('rani',1000),
array('roni',2000));
*/
//-- kalau datanya baru START
$data=array(
array(
'nama' => 'doni' , 'uang' => 2000,
'nama' => 'dani' , 'uang' => 1000,
'nama' => 'dini' , 'uang' => 500,
'nama' => 'rani' , 'uang' => 2000,
'nama' => 'doni' , 'uang' => 1500,
'nama' => 'dani' , 'uang' => 2000,
'nama' => 'dini' , 'uang' => 3000,
'nama' => 'rani' , 'uang' => 1000,
'nama' => 'roni' , 'uang' => 2000,
));
//-- END
//-- result initialization
$hasil=array();
//-- data processing start here
foreach($data as $dt) $hasil[$dt[0]]=(isset($hasil[$dt[0]])?$hasil[$dt[0]]:0)+$dt[1];
//-- show the result
echo '<pre>';print_r($hasil);