Php - Sorting an associative array in php, Php sorting an array

Sorting an associative array in php

Example Input:
Array ( [a1] => 14959.14 [a2] => 10747.94 [a3] => 19531.23 [a4] => 8915.83 [a5] => 2646.25 [a6] => 28379.74 [a7] => 727.25 )

Syntax:

 # array_multisort(array1,sorting order,sorting type,array2,array3...) 

Where,
array1 = Specifies an array(Required)
sorting Order = Specifies the sorting order(Optional).

Possible values:
SORT_ASC Default. Sort in ascending order (A-Z)
SORT_DESC sort in descending order (Z-A)

sorting type = Specifies the type to use(Optional), when comparing elements.

Possible values:
SORT_REGULAR Default. Compare elements normally
SORT_NUMERIC Compare elements as numeric values
SORT_STRING Compare elements as string values

array2,array3 are (optional).

Output Example.

 array_multisort($realarea,SORT_DESC);

Descending order Output.
Array ( [a6] => 28379.74 [a3] => 19531.23 [a1] => 14959.14 [a2] => 10747.94 [a4] => 8915.83 [a5] => 2646.25 [a7] => 727.25 )

 array_multisort($realarea,SORT_DESC);

Ascending order Output.
Array ( [a7] => 727.25 [a5] => 2646.25 [a4] => 8915.83 [a2] => 10747.94 [a1] => 14959.14 [a3] => 19531.23 [a6] => 28379.74 )

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