<?php
function
volumeTriangular(
$a
,
$b
,
$h
)
{
$vol
= (0.1666) *
$a
*
$b
*
$h
;
return
$vol
;
}
function
volumeSquare(
$b
,
$h
)
{
$vol
= (0.33) *
$b
*
$b
*
$h
;
return
$vol
;
}
function
volumePentagonal(
$a
,
$b
,
$h
)
{
$vol
= (0.83) *
$a
*
$b
*
$h
;
return
$vol
;
}
function
volumeHexagonal(
$a
,
$b
,
$h
)
{
$vol
=
$a
*
$b
*
$h
;
return
$vol
;
}
$b
= 4;
$h
= 9;
$a
= 4;
echo
(
"Volume of triangular base pyramid is "
);
echo
( volumeTriangular(
$a
,
$b
,
$h
));
echo
(
"\n"
);
echo
(
"Volume of square base pyramid is "
);
echo
( volumeSquare(
$b
,
$h
));
echo
(
"\n"
);
echo
(
"Volume of pentagonal base pyramid is "
);
echo
(volumePentagonal(
$a
,
$b
,
$h
));
echo
(
"\n"
);
echo
(
"Volume of Hexagonal base pyramid is "
);
echo
(volumeHexagonal(
$a
,
$b
,
$h
));
?>