| Re: A Few Noob Questions [message #175151 is a reply to message #175135] |
Tue, 16 August 2011 22:58   |
The Natural Philosoph
Messages: 993
Registered: September 2010
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Thomas 'PointedEars' Lahn wrote:
> Man-wai Chang wrote:
>
>> On 16/08/11 11:02 PM, eBob.com wrote:
>>> Is "script" official terminology in PHP? The book I am reading says
>>> "Built-in superglobal variables are visible everywhere within a script."
>>> but has never explicitly defined "script". (Although there is a hint
>>> that maybe everything between tags is a script.)
>> In the old days, "Programs" were compiled into binary codes for direct
>> execution by the CPU. "Scripts" were not compiled, but interpreted by a
>> program called intepreter.
>
> Contrary to popular belief, scripts, i. e. programs written in a scripting
> language, are compiled, too. They are *JIT-compiled* *at runtime*.
>
Contrary to popular belief, machine code is interpreted by the CPU's
microcode, if you REALLY want to be pedantic.
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