<?php
echo
"Enter n for nxn : <br>"
;
echo
"<form method=
'POST'
>
Row:<input type=
'number'
min=
'2'
max=
'5'
name=
'1d'
value=
'1'
/>
Column:<input type=
'number'
min=
'2'
max=
'5'
name=
'2d'
value=
'1'
/>
<input type=
'submit'
name=
'submit'
value=
'Submit'
/>
</form>";
if
(isset(
$_POST
[
'submit'
])) {
$dimention1
=
$_POST
[
"1d"
];
$dimention2
=
$_POST
[
"2d"
];
echo
"Entered 2d nxn: "
.
$dimention1
.
"x"
.
$dimention2
.
" <br>"
;
$d
= [];
$k
= 0;
for
(
$row
= 0;
$row
<
$dimention1
;
$row
++) {
for
(
$col
= 0;
$col
<
$dimention2
;
$col
++) {
$d
[
$row
][
$col
]=
$k
++;
}
}
for
(
$row
= 0;
$row
<
$dimention1
;
$row
++) {
for
(
$col
= 0;
$col
<
$dimention2
;
$col
++) {
echo
$d
[
$row
][
$col
].
" "
;
}
echo
"<br>"
;
}
}
?>