Sort multidimensional array by value php function

Sort multidimensional array by value php

function sort_array($array, $columns) {

	usort($array, function($a, $b) use ($columns) {
		
		$t = array(true => -1, false => 1);
		$r = true;
		$k = 1;
		
		foreach ($columns as $order => $value) {
			$k = (strtolower($order) === 'desc') ? -1 : 1;
			$r = ($a->{$value} < $b->{$value});
			if ($a->{$value} !== $b->{$value}) {
			        return $t[$r] * $k;
			}
		}
		
		return $t[$r] * $k;
	});
	
	return $array;
}