PHP ksort() Function

admin | Posted on May 13, 2021 |

The ksort() function sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays.

Tip: Use the krsort() function to sort an associative array in descending order, according to the key.

Tip: Use the asort() function to sort an associative array in ascending order, according to the value.

Parameter	Description
array	Required. Specifies the array to sort
sortingtype	Optional. Specifies how to compare the array elements/items. Possible values:

Syntax

ksort(array,sortingtype);

Example

$age=array("Samuel"=>"35","James"=>"37","Cooper"=>"43");
ksort($age);
print_r($age);

Output

Array ( [Cooper] => 43 [James] => 37 [Samuel] => 35 )