// simple scandir example
Array
(
    [0] => .
    [1] => ..
    [2] => .ICE-unix
    [3] => .Test-unix
    [4] => .X11-unix
    [5] => .XIM-unix
    [6] => .accept
    [7] => .accepted
    [8] => .apache-monitor
    [9] => .cache
    [10] => .class
    [11] => .classes
    [12] => .config
    [13] => .content
    [14] => .created
    [15] => .db2_convert
    [16] => .dba_insertion
    [17] => .dbx_convert
    [18] => .fac
    [19] => .factor
    [20] => .font-unix
    [21] => .ibase_pconnection
    [22] => .include
    [23] => .internal
    [24] => .lock
    [25] => .locked
    [26] => .mb_convert
    [27] => .multi
    [28] => .oauthexceptions
    [29] => .ob_iconv_handle
    [30] => .obj
    [31] => .parle_tokens
    [32] => .partition
    [33] => .post
    [34] => .proc-monitor_time
    [35] => .ptr
    [36] => .request
    [37] => .requests
    [38] => .res
    [39] => .reset
    [40] => .rfind
    [41] => .rindex
    [42] => .sys
    [43] => .system
    [44] => .uconvert
    [45] => TTYDEVS_12345678
    [46] => hg_save_ssl
    [47] => hsperfdata_root
    [48] => kill_usage.lock
    [49] => lost+found
    [50] => lq-67c84d2b29df7
    [51] => mysql.sock
    [52] => php0Pr5tR
    [53] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-lldpd.service-fxpupQ
    [54] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-lldpd.service-tH7VxR
    [55] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-named.service-70Sg05
    [56] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-named.service-xxbScY
    [57] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-ntpd.service-Bib7id
    [58] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-ntpd.service-FiNfoX
)
Array
(
    [0] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-ntpd.service-FiNfoX
    [1] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-ntpd.service-Bib7id
    [2] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-named.service-xxbScY
    [3] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-named.service-70Sg05
    [4] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-lldpd.service-tH7VxR
    [5] => systemd-private-1ad2953e3cba4bfe8d759c45a6cc95fc-lldpd.service-fxpupQ
    [6] => php0Pr5tR
    [7] => mysql.sock
    [8] => lq-67c84d2b29df7
    [9] => lost+found
    [10] => kill_usage.lock
    [11] => hsperfdata_root
    [12] => hg_save_ssl
    [13] => TTYDEVS_12345678
    [14] => .uconvert
    [15] => .system
    [16] => .sys
    [17] => .rindex
    [18] => .rfind
    [19] => .reset
    [20] => .res
    [21] => .requests
    [22] => .request
    [23] => .ptr
    [24] => .proc-monitor_time
    [25] => .post
    [26] => .partition
    [27] => .parle_tokens
    [28] => .obj
    [29] => .ob_iconv_handle
    [30] => .oauthexceptions
    [31] => .multi
    [32] => .mb_convert
    [33] => .locked
    [34] => .lock
    [35] => .internal
    [36] => .include
    [37] => .ibase_pconnection
    [38] => .font-unix
    [39] => .factor
    [40] => .fac
    [41] => .dbx_convert
    [42] => .dba_insertion
    [43] => .db2_convert
    [44] => .created
    [45] => .content
    [46] => .config
    [47] => .classes
    [48] => .class
    [49] => .cache
    [50] => .apache-monitor
    [51] => .accepted
    [52] => .accept
    [53] => .XIM-unix
    [54] => .X11-unix
    [55] => .Test-unix
    [56] => .ICE-unix
    [57] => ..
    [58] => .
)
// output
//Array
//(
//    [0] => .
//    [1] => ..
//    [2] => bar.php
//    [3] => foo.txt
//    [4] => somedir
//)
//Array
//(
//    [0] => somedir
//    [1] => foo.txt
//    [2] => bar.php
//    [3] => ..
//    [4] => .
//)

//directory to atrray

//Output
//Array
//(Easy way to get rid of the dots that scandir() picks up in Linux environments: