To
work
around
this
,
you
have
to
use
a
set
of
API
functions
to
force
a
type
conversion
on
every
argument
that'
s
being
passed
(see
טבלה
33-1
)
.
הערה
:
You
can
find
a
demonstration
of
the
behavior
in
cross_conversion.php
on
the
accompanying
CD-ROM
.
תרשים
33-2
shows
the
output
.
After retrieving the parameter pointer, the parameter value is
converted to a long (an integer), which also forms the return
value of this function. Understanding access to the contents of
the value requires a short discussion of the
zval
type, whose definition is shown in
דוגמה
33-2
.
For
a
description
of
both
structures
,
see
טבלה
33-2
,
טבלה
33-3
and
טבלה
33-4
.