- print_r: documentation ( source)
- asort: documentation ( source)
- sort: documentation ( source)
- array_keys: documentation ( source)
<?php
$alternatives = array(
'foo' => 0,
'foo1' => 0,
'foo3' => 0,
);
asort($alternatives, SORT_STRING);
print_r($alternatives);
$keys = array_keys($alternatives);
print_r($keys);
sort($keys);
print_r($keys);
sort($keys, SORT_STRING);
print_r($keys);
sort($keys, SORT_NATURAL);
print_r($keys);