- print_r: documentation ( source)
- usort: documentation ( source)
<?php
$dataPoints = array(
array('1' => '33','2' => 'dave','3' => '367'),
array('1' => '168','2' => 'susan','3' => '56788'),
array('1' => '99','2' => 'tim','3' => '6')
);
function cmp($a, $b){
if ($a[3] == $b[3]) {
return 0;
}
return ($a[3] < $b[3]) ? -1 : 1;
}
usort($dataPoints, "cmp");
print_r($dataPoints[0]);