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Posted by Tony Marston on 12/02/06 12:06
"Buddy" <buddywilliams@gmail.com> wrote in message
news:1164981091.874110.111360@73g2000cwn.googlegroups.com...
> Python does what LISP does with better syntax. So I would say Python
> bets both LISP and PHP and with mod_python (for Apache), maybe you
> should learn it.
What has this got to do with the topic being discussed?
--
Tony Marston
http://www.tonymarston.net
http://www.radicore.org
> Tony Marston wrote:
>> "Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
>> news:n9GdnZYmX_-4EfDYnZ2dnUVZ_q-dnZ2d@comcast.com...
>> > Tony Marston wrote:
>> >> "Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
>> >> news:bpudnWTDrLPbNPHYnZ2dnUVZ_tudnZ2d@comcast.com...
>> >>
>> >>>Tony Marston wrote:
>> >>>
>> >>>>"Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
>> >>>>news:PeudnRKltLJsufHYnZ2dnUVZ_u2dnZ2d@comcast.com...
>> >>>>
>> >>>>
>> >>>>>Tony Marston wrote:
>> >>>>>
>> >>>>>
>> >>>>>>"Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
>> >>>>>>news:j9-dnQB80fVLOvbYnZ2dnUVZ_rOdnZ2d@comcast.com...
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>>>Tony Marston wrote:
>> >>>>>>>
>> >>>>>>>
>> >>>>>>>
>> >>>>>>>>"Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
>> >>>>>>>>news:Ib6dna_BtYQSifbYnZ2dnUVZ_sSdnZ2d@comcast.com...
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>>>jopperdepopper wrote:
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>>>>You should read "can be accessed everywhere".
>> >>>>>>>>>>>
>> >>>>>>>>>>>Private members can be accessed by members of the class only.
>> >>>>>>>>>>>Protected members can be accessed by members of the class or a
>> >>>>>>>>>>>derived
>> >>>>>>>>>>>class.
>> >>>>>>>>>>>Public members can be accessed by anyone, including other
>> >>>>>>>>>>>classes,
>> >>>>>>>>>>>functions and any other code.
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>>Thanks Jerry. I'm trying to make a bit of sense of the php 5
>> >>>>>>>>>>approach
>> >>>>>>>>>>to classes, and so far having a hard time. I fail to see the
>> >>>>>>>>>>'why'
>> >>>>>>>>>>behind the 'public, protected and private' and stuff like
>> >>>>>>>>>>abstraction,
>> >>>>>>>>>>interfaces and whatnot.
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>>Intefaces are not necessary in PHP. Once you have defined a
>> >>>>>>>>method
>> >>>>>>>>it is a total waste to time to also define an interface.
>> >>>>>>>>Interfaces
>> >>>>>>>>are a "fix" in those languages as a means of dealing with
>> >>>>>>>>optional
>> >>>>>>>>arguments and statyic typing. PHP has ifferent ways of dealing
>> >>>>>>>>with
>> >>>>>>>>bth of these, therefore interfaces serve no useful purpose.
>> >>>>>>>>
>> >>>>>>>
>> >>>>>>>Ah, the great Tony Marston is back to trolling again.
>> >>>>>>>
>> >>>>>>>Wrong. In OO terms, the interface is the way to interact with the
>> >>>>>>>object. It consists of all public members - both methods
>> >>>>>>>(functions,
>> >>>>>>>in PHP) and variables. And for derived classes, the base class
>> >>>>>>>adds
>> >>>>>>>protected members.
>> >>>>>>>
>> >>>>>>>A PHP interface is something entirely different.
>> >>>>>>
>> >>>>>>
>> >>>>>>I disagree. It is possible to define a function (method) within a
>> >>>>>>class,
>> >>>>>>then to define a separate thing called an "interface". It is
>> >>>>>>possible
>> >>>>>>access
>> >>>>>>the function without using the interface, therefore the interface
>> >>>>>>is
>> >>>>>>not
>> >>>>>>necessary.
>> >>>>>>
>> >>>>>
>> >>>>>Tony,
>> >>>>>
>> >>>>>You really need to learn about OO before spouting off. In OO terms,
>> >>>>>an
>> >>>>>interface is something entirely different than a PHP interface.
>> >>>>
>> >>>>
>> >>>>How so? All the documentation I have seen describes how an interface
>> >>>>simply describes a method which it imlements. If it is possible to
>> >>>>access a method (a function in PHP) without going though an
>> >>>>interface,
>> >>>>ten an interface is not necessary in any language.
>> >>>>
>> >>>
>> >>>You need to understand the difference between an interface as
>> >>>described
>> >>>in OO terms and the PHP interface.
>> >>>
>> >>>The PHP interface defines a set of methods (function) which are
>> >>>required
>> >>>by the classes which implement the interface. Java is similar in that
>> >>>respect. But both are a subset of the total interface.
>> >>
>> >>
>> >> It is possible to access the method directly without an interface,
>> >> therefore an interfae is not necessary.
>> >>
>> >
>> > "Possible" != "CORRECT"
>>
>> That's just your opinion. Where does it say that I *MUST* define and use
>> an
>> interface before I can access a class method? Interfaces are optional
>> (especuially in PHP) so it is not wrong to excercise the option NOT to
>> use
>> them. I can define a class method and access that method without using an
>> interface, and that is what I choose to do.
>>
>> --
>> Tony Marston
>> http://www.tonymarston.net
>> http://www.radicore.org
>
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