- var_dump: documentation ( source)
- array_unique: documentation ( source)
<?php
$arr = array(
'we7290e4d1_zemi06'=>'dir/aaa/',
'we7290e4d1_zemi07'=>'dir/aaa/',
'we7290e4d1_zemi08'=>'dir/bbb/',
'we7290e4d1_zemi09'=>'dir/aaa/',
'we7290e4d1_zemi10'=>'dir/ccc/',
'we7290e4d1_zemi11'=>'dir/ccc/',
);
$uniq_arr = array_unique($arr);
var_dump($uniq_arr);