sort() on associative arrays php code example

Example 1: sort array of array php

sort() //sort arrays in ascending order
rsort() //sort arrays in descending order
asort() //sort associative arrays in ascending order, according to the value
ksort() //sort associative arrays in ascending order, according to the key
arsort() //sort associative arrays in descending order, according to the value
krsort() //sort associative arrays in descending order, according to the key
  
//Example
  $array = array(1, 3, 2);
  sort($array) //1, 2, 3

Example 2: php sort by associative array value

//php 7+
usort($inventory, function ($item1, $item2) {
    return $item1['price'] <=> $item2['price'];
});