Question

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How do I sort a multidimensional array in php

I have multidimensional array, for exaple this:

$mas = array(“s”,array(“c”,”b”,”a”),array(3,5,1),”a”,array(“s”,array(“z”,”a”)));

I want sort (ascending) all array-elements, i write recursive function, but it is not working, please tell me, who I have a wrong ?

$mas = array("s",array("c","b","a"),array(3,5,1),"a",array("s",array("z","a")));



function sortsort($m) {
    sort($m);
    foreach ($m as &$v) {
        if (is_array($v)) {
             sortsort($v);
        }
    }
    return $m;
}



  var_dump(sortsort($mas));

Answer 1

try this

$mas = array("s",array("c","b","a"),array(3,5,1),"a",array("s",array("z","a")));
function sortsort(&$m) {
    sort($m);
    foreach ($m as $k=>$v) {
        if (is_array($v)) {
             sortsort($m[$k]);
        }
    }
    return $m;
}

print_r(sortsort($mas));