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Re: define ('NL', " "); can I define a constant var ? [message #180181 is a reply to message #180180]

Tue, 22 January 2013 18:58

Tim Streater
Messages: 328
Registered: September 2010

Karma:

Senior Member

In article <6833t9-kme(dot)ln1(at)luuk(dot)invalid(dot)lan>, Luuk <luuk(at)invalid(dot)lan>
wrote:

> On 22-01-2013 09:39, Arno Welzel wrote:
>> cate, 2013-01-22 01:06:

>> With variables this would be easier though:
>>
>> $NL = ' ';
>> echo "This is $NL another line";
>>
>
> Why do you use single quotes on the first line,
> and double on the second?
>
> Why not simply use double-quotes everywhere.....
>
> $NL = " ";
> echo "This is $NL another line";

Because the interpreter has to do more work with the string:

<http://php.net/manual/en/language.types.string.php>

If you do:

$NL = ' ';
echo 'This is ' . $NL . 'another line';

then you avoid the double-quote altogether.

--
Tim

"That excessive bail ought not to be required, nor excessive fines imposed,
nor cruel and unusual punishments inflicted" -- Bill of Rights 1689

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[Message index]

		define ('NL', "<br />"); can I define a constant var ? By: cate on Tue, 22 January 2013 00:06
		Re: define ('NL', "<br />"); can I define a constant var ? By: Adam Harvey on Tue, 22 January 2013 00:44
		Re: define ('NL', "<br />"); can I define a constant var ? By: r.mariotti on Tue, 22 January 2013 02:16
		Re: define ('NL', "<br />"); can I define a constant var ? By: Kim Andr Aker on Tue, 22 January 2013 02:50
		Re: define ('NL', "<br />"); can I define a constant var ? By: denisb on Tue, 22 January 2013 07:17
		Re: define ('NL', "<br />"); can I define a constant var ? By: Arno Welzel on Tue, 22 January 2013 08:39
		Re: define ('NL', "<br />"); can I define a constant var ? By: Luuk on Tue, 22 January 2013 18:43
		Re: define ('NL', "<br />"); can I define a constant var ? By: Tim Streater on Tue, 22 January 2013 18:58
		Re: define ('NL', "<br />"); can I define a constant var ? By: Luuk on Tue, 22 January 2013 19:08
		Re: define ('NL', "<br />"); can I define a constant var ? By: M. Strobel on Wed, 23 January 2013 00:35
		Re: define ('NL', "<br />"); can I define a constant var ? By: Arno Welzel on Wed, 23 January 2013 09:59
		Re: define ('NL', "<br />"); can I define a constant var ? By: The Natural Philosoph on Tue, 22 January 2013 19:40
		Re: define ('NL', "<br />"); can I define a constant var ? By: Arno Welzel on Wed, 23 January 2013 09:55
		Re: define ('NL', "<br />"); can I define a constant var ? By: Jrn Andersen on Tue, 22 January 2013 22:51
		Re: define ('NL', "<br />"); can I define a constant var ? By: Shake on Tue, 22 January 2013 23:08
		Re: define ('NL', "<br />"); can I define a constant var ? By: Jrn Andersen on Tue, 22 January 2013 23:51
		Re: define ('NL', "<br />"); can I define a constant var ? By: Peter H. Coffin on Wed, 23 January 2013 01:03
		Re: define ('NL', "<br />"); can I define a constant var ? By: Shake on Wed, 23 January 2013 02:42
		Re: define ('NL', "<br />"); can I define a constant var ? By: Jerry Stuckle on Wed, 23 January 2013 00:50

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