string parsing in between curly bracket

[eluser]Reynolds[/eluser]
Perhaps I should state what's going on.


I have template.html file (containing html tags, with a template variable "{key:value}"), now from the Controller I read that file, and store it into a php variable, and find those template variables in curly bracket, and replace it of whatever I find from the DB. Finally, I pass the the result to a view, and displays it.


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to narrow it, I just want to get the value inside the curly bracket, and replace it with a new value, knowing that the values inside these curly brackets varies/dynamic.

Code:

$str = "Hello{space}world";

// and make it into
$str = "Hello world";