Classificação de PHP por valor de matriz associativa
//php 7+
usort($inventory, function ($item1, $item2) {
return $item1['price'] <=> $item2['price'];
});
Friendly Hawk
//php 7+
usort($inventory, function ($item1, $item2) {
return $item1['price'] <=> $item2['price'];
});$inventory = [
['price' => 10.99, 'product' => 'foo 1'],
['price' => 5.99, 'product' => 'foo 2'],
['price' => 100, 'product' => 'foo 3'],
];
$price = array_column($inventory, 'price');
array_multisort($price, SORT_DESC, $inventory);$price = array();
foreach ($inventory as $key => $row)
{
$price[$key] = $row['price'];
}
array_multisort($price, SORT_DESC, $inventory);// take an array with some elements
$array = array('a','z','c','b');
// get the size of array
$count = count($array);
echo "<pre>";
// Print array elements before sorting
print_r($array);
for ($i = 0; $i < $count; $i++) {
for ($j = $i + 1; $j < $count; $j++) {
if ($array[$i] > $array[$j]) {
$temp = $array[$i];
$array[$i] = $array[$j];
$array[$j] = $temp;
}
}
}
echo "Sorted Array:" . "<br/>";
print_r($array);