PHP array_multisort() Function

Hello folks! welcome back to a new section of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP array_multisort() Function.

The built-in PHP array_multisort() function is used for sorting several arrays at once, or a multi-dimensional array by one or more dimensions.

Syntax

Following below is the syntax to use this function -

array_multisort(array1,sorting order,sorting type,array2...);

READ: PHP array_fill() Function

Parameter Details

Sr.No	Parameter & Description
1	array1(Required) It specifies an array
2	Sort order(Optional) It specifies the sorting order. Possible values − SORT_ASC Default. Sort in ascending order (A-Z) SORT_DESC sort in descending order (Z-A)
3	Sorting type(Optional) It specifies the type to use, 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
4	array2(Optional) It specifies an array

Return Value

This function returns TRUE on success or False on failure.

Example

Try out the below example -

<?php
   $input1 = array("10", 100, 100, "a");
   $input2 = array(1, 3, "2", 1);
   
   array_multisort($input1, $input2);
   print_r($input1);
   print_r($input2);
?> 

Output

When the above code is executed, it will produce the following result -

Array ( [0] => 10 [1] => a [2] => 100 [3] => 100 ) Array ( [0] => 1 [1] => 1 [2] => 2 [3] => 3 )

READ: PHP array_diff() Function

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP array_pad() Function.

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