Php - to sort the arrays at one use, Array_multisort function

to sort the arrays at one use

We can sort multiple arrays based on the values of the first array at once using array_multisort function.

Example:

$a = array(c,a,d,b);
$b = array(5,3,2,7);

To sort the arrays at one use

array_multisort($a, $b);

If you want array be to be sorted in ascending / descending order just use the optional args SORT_DESC, SORT_ASC.
We also have args SORT_NUMERIC, SORT_STRING to define as string and number.

Example:

<?php

$a = array(c,a,d,b);
$b = array(5,3,2,7);

array_multisort($a, SORT_STRING, SORT_ASC, $b);

print_r($a);
print_r($b);

?>

Result:

Array a = a, b, c, d
Array b = 3, 7, 5, 2

Now you can see that array a is sorted and values in corresponding positions of array b has also been moved.

The topic on Php - to sort the arrays at one use is posted by - Maha

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