What is the function of array_multisort() in PHP and how can it be used to sort multiple arrays simultaneously?

The function array_multisort() in PHP is used to sort multiple arrays simultaneously based on the values of one or more arrays. This function can be helpful when you have multiple arrays that need to be sorted in a consistent manner. By using array_multisort(), you can ensure that the corresponding elements in each array remain aligned after sorting.

// Example of using array_multisort() to sort multiple arrays simultaneously

// Arrays to be sorted
$names = array("John", "Anna", "Peter");
$ages = array(25, 30, 22);

// Sort the names array in ascending order and maintain the correlation with the ages array
array_multisort($names, $ages);

// Output the sorted arrays
print_r($names);
print_r($ages);