These
math
functions
will
only
handle
values
within
the
range
of
the
integer
and
float
types
on
your
computer
.
(
this
corresponds
currently
to
the
C
types
long
resp
.
double
)
If
you
need
to
handle
bigger
numbers
,
take
a
look
at
the
arbitrary
precision
math
functions
.
The
following
values
are
defined
as
constants
in
PHP
by
the
math
extension
:
Only M_PI is available in PHP versions up to and
including PHP 4.0.0. All other constants are available
starting with PHP 4.0.0. Constants labeled [4.0.2] were
added in PHP 4.0.2.