usage:
$devices_array_sorted = ArrayOfArraysSort($devices_array, "AverageWatts",SORT_ASC);
the function:
/* sort array that contains a lot of arrays by key */
function ArrayOfArraysSort($array,$key,$mode)
{
// sort by age
$sort = array();
foreach($array as $k=>$v) {
$sort[$key][$k] = $v[$key];
}
# sort by age desc and then title asc
array_multisort($sort[$key], $mode,$array);
return $array;
}
where example array is:
Array ( [0] => Array ( [id] => 1 [category] => 3 [brand] => 2 [model] => t440 [name] => lenovo t440 [modes] => 1 [happiness] => 4 [works_since_years] => 4 [description] => [my_comment] => [image] => [AverageWatts] => 62.5 ) [1] => Array ( [id] => 2 [category] => 3 [brand] => 7 [model] => xps [name] => dell xps [modes] => 1,2,3 [happiness] => 3 [works_since_years] => 2 [description] => [my_comment] => [image] => [AverageWatts] => 85 ) )
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