PHP Sorting Arrays
The elements in an array can be sorted in alphabetical or numerical order, descending or ascending.
PHP - Sort Functions For Arrays
In this chapter, we will go through the following PHP array sort functions:
sort()- sort arrays in ascending orderrsort()- sort arrays in descending orderasort()- sort associative arrays in ascending order, according to the valueksort()- sort associative arrays in ascending order, according to the keyarsort()- sort associative arrays in descending order, according to the valuekrsort()- sort associative arrays in descending order, according to the key
Sort Array in Ascending Order - sort()
The following example sorts the elements of the $cars array in ascending alphabetical order:
The following example sorts the elements of the $numbers array in ascending numerical order:
Sort Array in Descending Order - rsort()
The following example sorts the elements of the $cars array in descending alphabetical order:
The following example sorts the elements of the $numbers array in descending numerical order:
Sort Array (Ascending Order), According to Value - asort()
The following example sorts an associative array in ascending order, according to the value:
Example
<?php
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
asort($age);
?>
Try it Yourself »
Sort Array (Ascending Order), According to Key - ksort()
The following example sorts an associative array in ascending order, according to the key:
Example
<?php
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
ksort($age);
?>
Try it Yourself »
Sort Array (Descending Order), According to Value - arsort()
The following example sorts an associative array in descending order, according to the value:
Example
<?php
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
arsort($age);
?>
Try it Yourself »
Sort Array (Descending Order), According to Key - krsort()
The following example sorts an associative array in descending order, according to the key:
Example
<?php
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
krsort($age);
?>
Try it Yourself »
Complete PHP Array Reference
For a complete reference of all array functions, go to our complete PHP Array Reference.
The reference contains a brief description, and examples of use, for each function!
