Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.php > #8126

Re: define ('NL', "<br />"); can I define a constant var ?

Show all headers | View raw

Am 22.01.2013 20:08, schrieb Luuk:

> On 22-01-2013 19:58, Tim Streater wrote:
>> In article <6833t9-kme.ln1@luuk.invalid.lan>, Luuk <luuk@invalid.lan>
>> wrote:
[...]
>>> Why not simply use double-quotes everywhere.....
>>>
>>> $NL = "<br />";
>>> 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 = '<br />';
>> 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

Back to comp.lang.php | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

define ('NL', "<br />");  can I define a constant var ? cate <catebekensail@yahoo.com> - 2013-01-21 16:06 -0800
  Re: define ('NL', "<br />");  can I define a constant var ? Adam Harvey <usenet@adamharvey.name> - 2013-01-22 00:44 +0000
    Re: define ('NL', "<br />");  can I define a constant var ? BobMCT <r.mariotti@fdcx.net> - 2013-01-21 21:16 -0500
      Re: define ('NL', "<br />");  can I define a constant var ? Kim André Akerø <kimandre@nospambetadome.com> - 2013-01-22 03:50 +0100
  Re: define ('NL', "<br />");  can I define a constant var ? denisb <newdb@no-log.org> - 2013-01-22 08:17 +0100
  Re: define ('NL', "<br />");  can I define a constant var ? Arno Welzel <usenet@arnowelzel.de> - 2013-01-22 09:39 +0100
    Re: define ('NL', "<br />");  can I define a constant var ? Luuk <luuk@invalid.lan> - 2013-01-22 19:43 +0100
      Re: define ('NL', "<br />");  can I define a constant var ? Tim Streater <timstreater@greenbee.net> - 2013-01-22 18:58 +0000
        Re: define ('NL', "<br />");  can I define a constant var ? Luuk <luuk@invalid.lan> - 2013-01-22 20:08 +0100
          Re: define ('NL', "<br />");  can I define a constant var ? "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2013-01-23 01:35 +0100
          Re: define ('NL', "<br />");  can I define a constant var ? Arno Welzel <usenet@arnowelzel.de> - 2013-01-23 10:59 +0100
        Re: define ('NL', "<br />");  can I define a constant var ? The Natural Philosopher <tnp@invalid.invalid> - 2013-01-22 19:40 +0000
      Re: define ('NL', "<br />");  can I define a constant var ? Arno Welzel <usenet@arnowelzel.de> - 2013-01-23 10:55 +0100
    Re: define ('NL', "<br />");  can I define a constant var ? Jørn Andersen <jorn@jorna.dk> - 2013-01-22 23:51 +0100
      Re: define ('NL', "<br />");  can I define a constant var ? Shake <alex.estevezQUENO@QUENOfilnet.es> - 2013-01-23 00:08 +0100
        Re: define ('NL', "<br />");  can I define a constant var ? Jørn Andersen <jorn@jorna.dk> - 2013-01-23 00:51 +0100
          Re: define ('NL', "<br />");  can I define a constant var ? "Peter H. Coffin" <hellsop@ninehells.com> - 2013-01-22 19:03 -0600
          Re: define ('NL', "<br />");  can I define a constant var ? Shake <alex.estevezQUENO@QUENOfilnet.es> - 2013-01-23 03:42 +0100
      Re: define ('NL', "<br />");  can I define a constant var ? Jerry Stuckle <jstucklex@attglobal.net> - 2013-01-22 19:50 -0500

csiph-web