Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!us.feeder.erje.net!newsfeed.fsmpi.rwth-aachen.de!news-1.dfn.de!news.dfn.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: "J.O. Aho" <user@example.net>
Newsgroups: comp.lang.php
Subject: Re: $-sign in form input names?
Date: Tue, 04 Nov 2014 06:55:16 +0100
Lines: 19
Message-ID: <cbr824Fmk87U1@mid.individual.net>
References: <996e3930-f711-4338-9093-07115af47380@googlegroups.com> <m398il$m28$1@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Trace: individual.net EphabcjKqB1awSC+vynqwAhODrNPZbxZwC+2AOa6w7VeNVVk45
Cancel-Lock: sha1:GA7aE+URqB8Tt50raFOTtQkGMSw=
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0
In-Reply-To: <m398il$m28$1@dont-email.me>
Xref: csiph.com comp.lang.php:14453

On 04/11/14 02:02, Denis McMahon wrote:

> See http://php.net/manual/en/language.types.string.php
>
> esp:
>
> "Note: Unlike the double-quoted and heredoc syntaxes, variables and
> escape sequences for special characters will not be expanded when they
> occur in single quoted strings."

I would add that you should always use single quotes by default and only 
use double quotes when you need to to use variables/methods inside a string.

As the double quotes will make the string to be parsed every time, which 
causes some slight overhead.

-- 

  //Aho