Share a PHP on a field in a two-dimensional array ascending and descending sort class

Share a PHP class for ascending and descending a field of a two-dimensional array

  * @desc to sort a field of a two-dimensional array * @data * $testData = Array (' Newprice ' =>9), array (' Newprice ' =>21), Array (' Newprice ' =>15), array (' Newprice ' =>13), array (' Newprice ' =>12));        */class sortclass{//Ascending function Sortarrayasc ($preData, $sortType = ' Newprice ') {$sortData = array ();            foreach ($preData as $key _i + $value _i) {$price _i = $value _i[$sortType];            $min _key = ";            $sort _total = count ($sortData); foreach ($sortData as $key _j = $value _j) {if ($price _i< $value _j[$sortType]) {$min _                    key = $key _j+1;                Break             }} if (Empty ($min _key)) {Array_push ($sortData, $value _i);                 }else {$sortData 1 = array_slice ($sortData, 0, $min _key-1);                Array_push ($sortData 1, $value _i);           if ($min _key-1) < $sort _total) {$sortData 2 = array_slice ($sortData, $min _key-1);          foreach ($sortData 2 as $value) {Array_push ($sortData 1, $value);            }} $sortData = $sortData 1;    }} return $sortData;        }//Descending function Sortarraydesc ($preData, $sortType = ' Newprice ') {$sortData = array ();            foreach ($preData as $key _i + $value _i) {$price _i = $value _i[$sortType];            $min _key = ";            $sort _total = count ($sortData); foreach ($sortData as $key _j = $value _j) {if ($price _i> $value _j[$sortType]) {$min _                    key = $key _j+1;                Break             }} if (Empty ($min _key)) {Array_push ($sortData, $value _i);                 }else {$sortData 1 = array_slice ($sortData, 0, $min _key-1);                Array_push ($sortData 1, $value _i); if ($min _key-1) < $sort _total) {$sortData 2 = array_slice ($sortData,$min _key-1);                    foreach ($sortData 2 as $value) {Array_push ($sortData 1, $value);            }} $sortData = $sortData 1;    }} return $sortData; }}?>

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