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Re: Declaring an array necessary?

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Am 21.02.2014 18:56, schrieb The Natural Philosopher:
> I was just wondering. Php assumes a varibale exists as soon as it is assigned a
> value, but a function exists to create an array..

I would rather say: PHP creates a variable as soon as you assign a value to one that
does not exist.

> Sop can one just say
> 
> $arr['hello']='sexy';
> 
> or should there be
> 
> $arr=array();
> 
> first?
> 

I would do a
	$arr = array()
before I start to store data from the database into it, because a query could give
zero records, and I don't want my script killed on the next foreach.

There is redundancy in many programming languages, in the sense that you can get the
same result with several different expressions. So I would not worry too much about
why array() exists.


/Str.

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Thread

Declaring an array necessary? The Natural Philosopher <tnp@invalid.invalid> - 2014-02-21 17:56 +0000
  Re: Declaring an array necessary? Christian Stadler <stadli@gmx.de> - 2014-02-21 21:04 +0100
    Re: Declaring an array necessary? Jerry Stuckle <jstucklex@attglobal.net> - 2014-02-21 15:48 -0500
    Re: Declaring an array necessary? The Natural Philosopher <tnp@invalid.invalid> - 2014-02-21 21:32 +0000
      Re: Declaring an array necessary? Gregor Kofler <usenet@gregorkofler.com> - 2014-02-21 22:55 +0100
        Re: Declaring an array necessary? Tim Streater <timstreater@greenbee.net> - 2014-02-21 22:06 +0000
  Re: Declaring an array necessary? "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2014-02-21 22:58 +0100
  Re: Declaring an array necessary? Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2014-02-21 14:03 -0800

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