Built-In Functions Scripting
DESCRIPTION
Functions perform operations on a set of parameters and potentially return a
result. A function is usually created when the task it performs will be
required at various different points during a script. It is a write-once
use-often kind of a programming feature.
Some functions perform a task so common that they are needed in script after
script. These are the kind of functions where it is useful to maintain in a
library. JANOS scripting does support the
include statement which permits
you to create a PHP file with such functions and to simply include that file
with each script.
To support many of the very common functions JANOS scripting provides a
Built-In Function library. As scripting has been modelled after public PHP
many of the common PHP functions can be found in the JANOS library as well
as some that are very custom. These built-in functions eliminate the need to
maintain a separate library of useful functions. These are also implemented
at a native level and therefore operate much more efficiently that with
compile bytecode.
The
Built-In Library supplies functions support a number of programming
categories from string and array operations to system and Registry access.
SEE ALSO
HELP Topics:
OUTPUT,
PRINT
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