| Re: variable replacement in string [message #178039 is a reply to message #178038] |
Fri, 11 May 2012 07:32   |
M. Strobel
Messages: 386
Registered: December 2011
Karma:
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Senior Member |
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Am 11.05.2012 04:30, schrieb Jeff North:
> On Thu, 10 May 2012 18:32:58 +0200, in comp.lang.php "M. Strobel"
> <sorry_no_mail_here(at)nowhere(dot)dee>
> <a128trFt9iU1(at)mid(dot)uni-berlin(dot)de> wrote:
>
>> | Am 10.05.2012 16:04, schrieb Jeff North:
>> | > On Thu, 10 May 2012 14:44:08 +0200, in comp.lang.php "M. Strobel"
>> | > <sorry_no_mail_here(at)nowhere(dot)dee>
>> | > <a11rgoFph0U1(at)mid(dot)uni-berlin(dot)de> wrote:
>> | >
>> | >> | Hi,
>> | >> |
>> | >> | I am still searching a function in PHP to execute variable replacement in strings.
>> | >> | Other languages do have this, but for PHP I can only find sprintf() and string replace.
>> | >> |
>> | >> | I have
>> | >> |
>> | >> | $t = ' - solved - ';
>> | >> | $msg = 'The problem is $t';
>> | >> |
>> | >> | I want now:
>> | >> |
>> | >> | echo fxx($msg);
>> | >> |
>> | >> | print out "The problem is - solved - ".
>> | >> |
>> | >> | Please don't tell me about $msg = "The problem is $t"; just think of $msg like a
>> | >> | template read from a file.
>> | >> |
>> | >> | /Str.
>> | >
>> | > How about:
>> | > $msg = 'The problem is {$t}';
>> |
>> | And the next step? How do you print that the problem is solved?
>> |
>> | But maybe you could do a regex replace with this...
>> |
>> | /Str.
>
> echo $msg;
strobel@s114-intel:~> php -a
Interactive shell
php > $t = ' solved!!';
php > $msg = 'The problem is {$t}';
php > echo $msg;
The problem is {$t}
php > $msg = 'The problem is ${t}';
php > echo $msg;
The problem is ${t}
php > $msg = "The problem is ${t}";
php > echo $msg;
The problem is solved!!
php >
You missed something. Only double quotes do it. When you take $msg from a file you
won't be able to do the var replacement.
/Str.
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