Is there any difference between &$func($arg) and $func->($arg)?

Is there any difference between &$func($arg) and $func->($arg)?



1.php - What is the difference between func_get_arg() and ...

Description:What is the difference between ... and a standard pased
argument is usually preferable over func_get_arg(). There are two ... The
ability for your IDE to do any type ...



2.PHP: func_get_arg - Manual

Description:func_get_arg (PHP 4, PHP 5) ... I don't know that there's any
real difference between this and the variable-argument form, but some
people might prefer it, ...



3.PHP: func_get_arg - Manual - PHP: Hypertext Preprocessor

Description:func_get_arg (PHP 4, PHP 5) ... I don't know that there's any
real difference between this and the variable-argument form, but some
people might prefer it, ...



4.PHP: func_get_arg - Manual

Description:I don't know that there's any real difference between this and
the variable-argument form, but some people might prefer it, ...
func_get_arg is useful, ...



5.func_get_arg - PHP手册 - Return an item from the argument list

Description:I don't know that there's any real difference between this and
the variable-argument form, but some people might prefer it, ...
func_get_arg is useful, ...



6.python - Why have a function with an_arg_name and *args as ...

Description:There's difference between my_fun(an_arg, *arg) and
my_func(*args). ... Pass at least 1 argument or more arguments.
my_func(*args) Pass any number of arguments, even 0.



7.Is it explicitly specified? | Python | Python

Description:Is there any way to tell between whether a keyword arg has
been explicitly specified (to the same value as the default for it) or
not... For example:



8.Explaining Action And Func - Simple Programmer

Description:An explanation of what Action and Func are and how to use
them. Includes code examples and references to more information.



9.passing var args as-is to a function - Google Groups

Description:> comon_func(1, ,2 ,3); The two commas between 1 and 2 are a
syntax ... is there any way to do this ... attribute to a var-arg function
saying the caller needs to ...



10.PHP func_get_arg(),func_get_arg函数 Return an…

Description:PHP func_get_arg(),func_get_arg函数 Return an item
from the argument list. ... I don't know that there's any real difference
between this and the variable-argument ...