<?php $dataPoints = array( array('1' => '33','2' => 'dave','3' => '367'), array('1' => '168','2' => 'susan','3' => '56788'), array('1' => '99','2' => 'tim','3' => '6') ); foreach ($dataPoints as $key => $row) { $x[$key] = $row['1']; $y[$key] = $row['2']; $z[$key] = $row['3']; } $aaa = array_multisort($dataPoints, $x, SORT_DESC, $y, SORT_ASC, $z, $dataPoints); print_r($aaa); //TRUE or FALSE prh($dataPoints); //The data
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