PHP Array asort() Function

Last Updated : 17 Mar 2025

The asort( ) function is an inbuilt function of PHP. The asort( ) function is used to sort an associative array in ascending order, according to the value. This function was introduced in PHP 4.0.

Syntax

Parameters

Parameter	Description	Is compulsory
array	Specifies the name of the array to sort.	compulsory
Sort_flags	Specifies how to compare the array elements.	Optional

Return

It returns true on success or false on failure.

Example 1

Output:

Array
(
    [virat] => 29
    [ganguly] => 39
    [sachin] => 42
)

Example 2

Output:

Array
(
    [G] => Black
    [W] => Cyan
    [Y] => Green
    [B] => White
    [C] => Yellow
)

Example 3

Output:

Array
(
    [compiler] => 68
    [data structure] => 89
    [OS] => 95
)

Example 4

Output:

Array
(
    [b] => Geography
    [d] => Hindi
    [c] => Math
    [a] => Science
)

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