PHP array_multisort() Function

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...);


Parameter Details

Sr.NoParameter & 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 )


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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