Answers for "php array sort by index"

PHP
10

php sort array by key

$weight = [
    'Pete' => 75, 
    'Benjamin' => 89,
    'Jonathan' => 101
  ];  	
  ksort($weight);
Posted by: Guest on December-04-2019
3

php sort by associative array value

//php 7+
usort($inventory, function ($item1, $item2) {
    return $item1['price'] <=> $item2['price'];
});
Posted by: Guest on February-02-2021
2

php sort array of array by key

$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);
Posted by: Guest on August-25-2020
2

php array sort by key value

To PHP sort array by key, you should use: 
	ksort() (for ascending order) or krsort() (for descending order). 
      
To PHP sort array by value, you will need functions:
	asort() and arsort() (for ascending and descending orders).
Posted by: Guest on October-23-2020
1

php sort array by value

$price = array();
foreach ($inventory as $key => $row)
{
    $price[$key] = $row['price'];
}
array_multisort($price, SORT_DESC, $inventory);
Posted by: Guest on June-19-2021
1

php array sort

function aasort (&$array, $key) {
    $sorter=array();
    $ret=array();
    reset($array);
    foreach ($array as $ii => $va) {
        $sorter[$ii]=$va[$key];
    }
    asort($sorter);
    foreach ($sorter as $ii => $va) {
        $ret[$ii]=$array[$ii];
    }
    $array=$ret;
}

aasort($your_array,"order");
Posted by: Guest on October-29-2020

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