php - any idea how pics upload site save there pics? -


its more architecture related question, sorry if ask in wrong stack.

do put them in large pile im folder ? like

$uid.$md5(random).$name save in 1 folder

folder/5231.124wdadace123214.arandomname.jpg folder/42.15125dawdaowdaw232.arandom2name.png folder/etc

or

$uid/$md5(random).$name

5231(uid)/12421adwawda2321.arandomname.jpg 42/15125awdawdwadwa232.arandom2name.png etc/2323awdwadwadaw.logo.png

what im thinking here second 1 better?
because @ windows have lot of pics in 1 folder
, yes takes time open it.

do guys have idea how keep files ?

i wrote function sites converts user ids 2 level subdirectory hierarchy limits subdirectories 1000 @ each level.

function get_image_dir($gid) {     $d = str_split(str_pad($gid, 6, "0", str_pad_left), 3);     $wdir = "/images/members/" . $d[0] . "/" . $d[1] . "/" . $gid;     return $wdir; }

(i add third level raw user id handle rollover @ 1,000,000.

/images/members/000/001/1 /images/members/000/002/2 ... /images/members/999/999/999999 /images/members/000/000/1000000 /images/members/000/001/1000001

within subdirectories, further segregate based on

  1. albums (organized members)
  2. various resizings (for different places on site

final structure looks like

/images/members/000/001/1/album1/original /images/members/000/001/1/album1/50x50 /images/members/000/001/1/album1/75x75 /images/members/000/001/1/album1/400x300

the str_split(str_pad()) in function isn't optimal, works.


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