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Re: define ('NL', " "); can I define a constant var ? [message #180192 is a reply to message #180182]

Wed, 23 January 2013 09:59

Arno Welzel
Messages: 317
Registered: October 2011

Karma:

Senior Member

Am 22.01.2013 20:08, schrieb Luuk:

> On 22-01-2013 19:58, Tim Streater wrote:
>> In article <6833t9-kme(dot)ln1(at)luuk(dot)invalid(dot)lan>, Luuk <luuk(at)invalid(dot)lan>
>> wrote:
[...]
>>> 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.
>
> and who is going to notice those msecs ?

You my not notice any difference when testing a script on your own. But
imagine a webserver with thousands of requests every hour - every
additional delay will put more load to the machine and then it *is*
important to avoid inefficient code.

--
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de

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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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