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Re: help with preg_replace

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On 4/13/2017 8:51 AM, Thomas 'PointedEars' Lahn wrote:
> Tony Mountifield wrote:
>
>> $number = preg_replace("/\D/","",$phone);
>
> This should be
>
>   $number = preg_replace('/\D/', '', $phone);
>
> Although it does not make a difference here, in general I recommend to
> consistently write string literals where no variable expansion is intended
> and where there are no straight apostrophes in the value, in single-quotes
> (straight apostrophes) in PHP (and similar programming languages).
>
> This approach also stops several escape sequences from being interpreted
> accidentally.  For example, in PHP it makes a difference whether you write
> "\n" or '\n', and “\n” is an escape sequence both in double-quoted string
> literals and Extended/Perl-Compatible Regular Expressions.
>
> <http://php.net/manual/en/language.types.string.php#language.types.string.syntax.single>
>

Thank you for the good suggestion.

--bill

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Thread

help with preg_replace bill <william@TechServSys.com> - 2017-04-13 07:57 -0400
  Re: help with preg_replace tony@mountifield.org (Tony Mountifield) - 2017-04-13 12:06 +0000
    Re: help with preg_replace Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-04-13 14:51 +0200
      Re: help with preg_replace bill <william@TechServSys.com> - 2017-04-14 11:13 -0400
    Re: help with preg_replace bill <william@TechServSys.com> - 2017-04-14 11:12 -0400

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