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From: Arno Welzel <usenet@arnowelzel.de>
Newsgroups: comp.lang.php
Subject: Re: str_replace does not like empty quotes
Date: Fri, 20 Jun 2014 04:06:42 +0200
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Xref: csiph.com comp.lang.php:13918

Jerry Stuckle, 2014-06-20 03:33:

> On 6/19/2014 9:21 PM, Arno Welzel wrote:
>> Arno Welzel, 2014-06-20 03:19:
>>
>>> richard, 2014-06-20 01:33:
>>>
>>>> $a=str_replace($a,"\","");
>>>>
>>>> This generates the error: Unexpected "".
>>>>
>>>> http://www.php.net//manual/en/function.str-replace.php
>>>>
>>>> While here in the manual, they do precisely the same thing!
>>>
>>> No - they don't!
>>>
>>> Use: $a=str_replace($a,"\"","");
>>
>> Sorry - of course: $a=str_replace("\"","",$a);
>>
>> Since the order of the parameters is
>>
>> 1) What to search 
>> 2) What to replace
>> 3) Where to search in
>>
>>> Beware of the double quotes, since \ starts an escape - this means, the
>>> meaning of the second quote (") is NOT "end string here".
>>>
>>> To make this more clear:
>>>
>>>
>>> " <- String starts here. \" <- This just ONE character  end here -> "
>>
>>
> 
> Arno, that will replace the double quotes ("), which doesn't look like
> what Richard wants.

Well - I don't know, what Richard really wants. If it was about removing
backslashes:

$a=str_replace("\\","",$a);

> But why help him when all he does is insult the same people who try to
> help him?  That's exactly why I didn't just give him the answer in the
> first place (not to mention the fact he's asked similar questions
> before, and has still failed to learn).

I don't want to give newbies the impression, that Richard knows, what he
is writing about, when he claims that things he does are exactly shown
like that in the PHP manual ;-)


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