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Re: A Few Noob Questions

Message-ID <1550652.qVoOGUtdWV@PointedEars.de> (permalink)
From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Organization PointedEars Software (PES)
Date 2011-08-20 19:48 +0200
Subject Re: A Few Noob Questions
Newsgroups comp.lang.php
References <3Ev2q.149930$AU4.73655@en-nntp-07.dc1.easynews.com> <j2e682$m3j$3@dont-email.me> <8879571.SEqChMirdb@PointedEars.de> <j2jfa5$48l$1@dont-email.me>
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Man-wai Chang wrote:

>>> 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*.
> 
> Is this real compilation? :)

Yes.

>> PHP 4+ scripts are compiled by the Zend Engine (a virtual machine,
>> currently Zend Engine II), to Zend Opcode, a platform-independent byte
>> code (much like
>> with Java).  That byte code is interpreted by that VM.
> 
> So is PHP still a script?

PHP is a scripting language.  Scripting languages are a subset of 
programming languages.

As a result, a PHP program may be called a PHP script.

This is not an Internet chat, so please leave in the attribution lines.


PointedEars
-- 
Prototype.js was written by people who don't know javascript for people
who don't know javascript. People who don't know javascript are not
the best source of advice on designing systems that use javascript.
  -- Richard Cornford, cljs, <f806at$ail$1$8300dec7@news.demon.co.uk>

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Thread

A Few Noob Questions "eBob.com" <eBob.com@totallybogus.com> - 2011-08-16 11:02 -0400
  Re: A Few Noob Questions A.Reader <anonymously@example.com> - 2011-08-16 11:11 -0400
    Re: A Few Noob Questions The Natural Philosopher <tnp@invalid.invalid> - 2011-08-16 16:35 +0100
  Re: A Few Noob Questions Tim Streater <timstreater@greenbee.net> - 2011-08-16 17:03 +0100
  Re: A Few Noob Questions Man-wai Chang <toylet.toylet@gmail.com> - 2011-08-17 00:35 +0800
    Re: A Few Noob Questions Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-08-16 19:24 +0200
      Re: A Few Noob Questions The Natural Philosopher <tnp@invalid.invalid> - 2011-08-16 23:58 +0100
        Re: A Few Noob Questions Man-wai Chang <toylet.toylet@gmail.com> - 2011-08-19 00:41 +0800
          Re: A Few Noob Questions The Natural Philosopher <tnp@invalid.invalid> - 2011-08-18 18:33 +0100
          Re: A Few Noob Questions Tim Streater <timstreater@greenbee.net> - 2011-08-18 18:39 +0100
            Re: A Few Noob Questions The Natural Philosopher <tnp@invalid.invalid> - 2011-08-18 19:09 +0100
      Re: A Few Noob Questions Man-wai Chang <toylet.toylet@gmail.com> - 2011-08-19 00:40 +0800
        Re: A Few Noob Questions The Natural Philosopher <tnp@invalid.invalid> - 2011-08-18 18:26 +0100
        Re: A Few Noob Questions A.Reader <anonymously@example.com> - 2011-08-18 13:44 -0400
        Re: A Few Noob Questions Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-08-20 19:48 +0200
          Re: A Few Noob Questions Samuel Smythe <s.smythe@yahoo.com> - 2011-08-20 15:08 -0400
            Re: A Few Noob Questions Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-08-20 23:31 +0200
              Re: A Few Noob Questions Samuel Smythe <s.smythe@yahoo.com> - 2011-08-20 18:37 -0400
                Re: A Few Noob Questions Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-08-21 00:41 +0200
                Re: A Few Noob Questions Samuel Smythe <s.smythe@yahoo.com> - 2011-08-20 19:04 -0400
                Re: A Few Noob Questions Jerry Stuckle <jstucklex@attglobal.net> - 2011-08-20 21:44 -0400
                Re: A Few Noob Questions Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-08-21 09:16 +0200
        Re: A Few Noob Questions Jerry Stuckle <jstucklex@attglobal.net> - 2011-08-20 15:52 -0400
  Re: A Few Noob Questions Denis McMahon <denis.m.f.mcmahon@gmail.com> - 2011-08-16 21:30 +0000
    Re: A Few Noob Questions "eBob.com" <eBob.com@totallybogus.com> - 2011-08-16 20:31 -0400
      Re: A Few Noob Questions A.Reader <anonymously@example.com> - 2011-08-17 05:50 -0400
        Re: A Few Noob Questions "eBob.com" <eBob.com@totallybogus.com> - 2011-08-18 10:12 -0400

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