programming-examples/php/Arrays/PHP function to sort an array according to another array acting as a priority list..php
2019-11-15 12:59:38 +01:00

38 lines
539 B
PHP

<?php
function list_cmp($a, $b)
{
global $order;
foreach($order as $key => $value)
{
if($a==$value)
{
return 0;
break;
}
if($b==$value)
{
return 1;
break;
}
}
}
$order[0] = 1;
$order[1] = 3;
$order[2] = 4;
$order[3] = 2;
$array[0] = 2;
$array[1] = 1;
$array[2] = 3;
$array[3] = 4;
$array[4] = 2;
$array[5] = 1;
$array[6] = 2;
usort($array, "list_cmp");
print_r($array);
?>