Below are the php sort functions use for sorting an array in php.

• sort() - This sort function is used for sorting an array in ascending order in php.
• rsort() - This sort function is used for sorting an array in descending order in php.
• asort() -This function is used for sorting associative arrays in ascending order, with respect to value.
• ksort() -This function is used for sorting associative arrays in ascending order, with respect to the key.
• arsort() - This function is used for sorting associative arrays in descending order, with respect to value.
• krsort() - This function is used for sorting associative arrays in descending order, with respect to the key.

sort()

Below is the example of sort() function :-

<?php
$vehicle = array("Truck", "Car", "Bike");
sort($vehicle);
?> 

Output

Bike
Car
Truck

rsort()

Below is the example of rsort() function :-

<?php
$vehicle = array("Truck", "Car", "Bike");
rsort($vehicle);
?> 

Output

 Truck
 Car
 Bike

asort()

Below is the example of asort() function :-

<?php
$age = array("Suresh"=>"35", "Pankaj"=>"27", "Akash"=>"33");
asort($age);
?> 

Output

Pankaj 27
Akash 33
Suresh 53

ksort()

below is the example of ksort() function:-

<?php
$age = array("Suresh"=>"53", "Pankaj"=>"27", "Akash"=>"33");
ksort($age);
?> 

Output

Akash 33
Pankaj 27
Suresh 53

Here key is Akash,Pankaj,Suresh and value is 33,27,53.

arsort()

Below is the arsort() example:-

<?php
$age =  array("Suresh"=-->"53", "Pankaj"=&gt;"27", "Akash"=&gt;"33");
arsort($age);
?>

Output

 Suresh 53
    Akash 33
    Pankaj 27

krsort()

Below is the krsort() example:-

<?php
$age = array("Suresh"=>"53", "Pankaj"=>"27", "Akash"=>"33");
krsort($age);
?> 

Output

 Suresh 53
    Akash 33
    Pankaj 27