sort array

array sort functions

In this chapter, we will go through the following PHP array sort functions:

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
sort array in ascending order

The following example sorts the elements of the $cars array in ascending alphabetical order:

Example
<?php
$cars = array("Volvo", "BMW", "Toyota");
sort($cars);
?>

The following example sorts the elements of the $numbers array in ascending numerical order:

Example
<?php
$numbers = array(4, 6, 2, 22, 11);
sort($numbers);
?>

sort array descending

The following example sorts the elements of the $cars array in descending alphabetical order:

Example
<?php
$cars = array("Volvo", "BMW", "Toyota");
rsort($cars);
?>

The following example sorts the elements of the $numbers array in descending numerical order:

Example
<?php
$numbers = array(4, 6, 2, 22, 11);
rsort($numbers);
?>