| Re: Why is polymorphism in PHP not like other languages? Is there a bug in PHP? [message #185087 is a reply to message #185057] |
Tue, 25 February 2014 23:00   |
Daniel Pitts
Messages: 68
Registered: May 2012
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On 2/24/14 9:00 PM, Jerry Stuckle wrote:
> On 2/24/2014 10:25 PM, Thomas 'PointedEars' Lahn wrote:
>> Robert Heller wrote:
>>
>>> Note a compiled language (like C++ or Java) need up-front knowledge
>>> about
>>> things, while *intrepreted* languages defer resolving things until
>>> runtime. Partitularly with languages where classes can be defined 'on
>>> the
>>> fly'.
>>
>> Note: PHP source code is compiled to bytecode, as is code in many other
>> programming languages.
>>
>> Get rid of the common misconception of “compiled language” vs.
>> “interpreted
>> language”, and stop spreading this nonsense.
>>
>> The relevant difference here, if any, is between static and dynamic
>> type-checking. (Get rid of “loosely typed” vs. “strictly typed” as
>> well.)
>>
>>
>> PointedEars
>>
>
> Bytecode is not the same as machine code. And interpreting on the fly
> is not the same as compiling once.
>
> But we also know you don't understand the difference - which is why you
> claim they are the same.
>
> And we also know you're just being your usual pedantic self.
This has nothing to do with whether a language is compiled or
interpreted, and everything to do with the type semantics of the language.
The OP example is along the lines of: Duck Typing.
http://en.wikipedia.org/wiki/Type_system#Duck_typing
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