function
get_randomstr(
$lenth
= 6) {
return
get_random(
$lenth
,
'123456789abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ'
);
}
function
get_random(
$length
,
$chars
=
'0123456789'
) {
$hash
=
''
;
$max
=
strlen
(
$chars
) - 1;
for
(
$i
= 0;
$i
<
$length
;
$i
++) {
$hash
.=
$chars
[mt_rand(0,
$max
)];
}
return
$hash
;
}