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A Few Noob Questions [message #175127]

Tue, 16 August 2011 15:02

eBob.com
Messages: 11
Registered: August 2011

Karma:

Junior Member

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.)

How can the "units" of PHP between tags communicate? Can my PHP code create
$GLOBALS variables? How about $_SESSION variables?

The book gives the following example of a ternary operator:

($grade >= 50 ? 'Passed" : "Failed")

I don't understand the function of the enclosing parentheses. The official
doc at php.net doesn't seem to suggest that the parentheses are necessary.

Just to make sure, "@" only suppresses MESSAGES. It does not interfere with
try/catch logic/code. Right?

Thanks very much.

Bob

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[Message index]

		A Few Noob Questions By: eBob.com on Tue, 16 August 2011 15:02
		Re: A Few Noob Questions By: A.Reader on Tue, 16 August 2011 15:11
		Re: A Few Noob Questions By: The Natural Philosoph on Tue, 16 August 2011 15:35
		Re: A Few Noob Questions By: Tim Streater on Tue, 16 August 2011 16:03
		Re: A Few Noob Questions By: Man-wai Chang on Tue, 16 August 2011 16:35
		Re: A Few Noob Questions By: Thomas 'PointedEars' on Tue, 16 August 2011 17:24
		Re: A Few Noob Questions By: The Natural Philosoph on Tue, 16 August 2011 22:58
		Re: A Few Noob Questions By: Man-wai Chang on Thu, 18 August 2011 16:41
		Re: A Few Noob Questions By: The Natural Philosoph on Thu, 18 August 2011 17:33
		Re: A Few Noob Questions By: Tim Streater on Thu, 18 August 2011 17:39
		Re: A Few Noob Questions By: The Natural Philosoph on Thu, 18 August 2011 18:09
		Re: A Few Noob Questions By: Man-wai Chang on Thu, 18 August 2011 16:40
		Re: A Few Noob Questions By: The Natural Philosoph on Thu, 18 August 2011 17:26
		Re: A Few Noob Questions By: A.Reader on Thu, 18 August 2011 17:44
		Re: A Few Noob Questions By: Thomas 'PointedEars' on Sat, 20 August 2011 17:48
		Re: A Few Noob Questions By: Samuel Smythe on Sat, 20 August 2011 19:08
		Re: A Few Noob Questions By: Thomas 'PointedEars' on Sat, 20 August 2011 21:31
		Re: A Few Noob Questions By: Samuel Smythe on Sat, 20 August 2011 22:37
		Re: A Few Noob Questions By: Thomas 'PointedEars' on Sat, 20 August 2011 22:41
		Re: A Few Noob Questions By: Samuel Smythe on Sat, 20 August 2011 23:04
		Re: A Few Noob Questions By: Jerry Stuckle on Sun, 21 August 2011 01:44
		Re: A Few Noob Questions By: Thomas 'PointedEars' on Sun, 21 August 2011 07:16
		Re: A Few Noob Questions By: Jerry Stuckle on Sat, 20 August 2011 19:52
		Re: A Few Noob Questions By: Denis McMahon on Tue, 16 August 2011 21:30
		Re: A Few Noob Questions By: eBob.com on Wed, 17 August 2011 00:31
		Re: A Few Noob Questions By: A.Reader on Wed, 17 August 2011 09:50
		Re: A Few Noob Questions By: eBob.com on Thu, 18 August 2011 14:12

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