- var_dump: documentation ( source)
<?php
function reorderArray($array, $key)
{
$found = false;
foreach($array as $k=>$v)
{
$found = $found || $k===$key;
if(!$found)
{
unset($array[$k]);
$array[$k] = $v;
}
}
return $array;
}
$array=[1=>'foo', 4=>'bar', 9=>'baz', 12=>'baz'];
var_dump(reorderArray($array, 9));