PHP - shuffle only part of an array

Question

I have an array as so:

$animals = array (
    \'giraffe\',
    \'lion\',
    \'hippo\',
    \'dog\',
    \'cat\',
    \'rabbit\',
    \'fly\',
    \'hamster\         


        

Answer 1

You can splice the array for those to elements, randomize their order and put them back in the original array:

$sub = array_splice($animals, 7, 2);
shuffle($sub);
array_splice($animals, 7,0, $sub);
var_dump($animals);