<?php
$R
=3;
$C
=6;
function
ReversespiralPrint(
$m
,
$n
,
array
$a
)
{
$b
;
$k
= 0;
$l
= 0;
$z
= 0;
$size
=
$m
*
$n
;
while
(
$k
<
$m
&&
$l
<
$n
)
{
$val
;
for
(
$i
=
$l
;
$i
<
$n
; ++
$i
)
{
$val
=
$a
[
$k
][
$i
];
$b
[
$z
] =
$val
;
++
$z
;
}
$k
++;
for
(
$i
=
$k
;
$i
<
$m
; ++
$i
)
{
$val
=
$a
[
$i
][
$n
-1];
$b
[
$z
] =
$val
;
++
$z
;
}
$n
--;
if
(
$k
<
$m
)
{
for
(
$i
=
$n
-1;
$i
>=
$l
; --
$i
)
{
$val
=
$a
[
$m
-1][
$i
];
$b
[
$z
] =
$val
;
++
$z
;
}
$m
--;
}
if
(
$l
<
$n
)
{
for
(
$i
=
$m
- 1;
$i
>=
$k
; --
$i
)
{
$val
=
$a
[
$i
][
$l
];
$b
[
$z
] =
$val
;
++
$z
;
}
$l
++;
}
}
for
(
$i
=
$size
- 1;
$i
>= 0; --
$i
)
{
echo
$b
[
$i
].
" "
;
}
}
$a
=
array
(
array
(1, 2, 3, 4, 5, 6),
array
(7, 8, 9, 10, 11, 12),
array
(13, 14, 15, 16, 17, 18));
ReversespiralPrint(
$R
,
$C
,
$a
);
?>