- print_r: documentation ( source)
- array_flip: documentation ( source)
- usort: documentation ( source)
<?php
$data = array(
"item1"=>"1",
"item2"=>"3",
"item3"=>"8",
"item4"=>"2",
"item5"=>"4"
);
$sortingArr = array("8","4","5","2","1");
$keys = array_flip($sortingArr);
usort($data, function ($a, $b) use ($keys) {
return $keys[$a] > $keys[$b] ? 1 : -1;
});
print_r($data);