Re: Expand Variables in String

Jonathan Tapicer wrote: > Use eval, like this: > > eval('$str_expanded = "' . str_replace('"', '\\"', > $str) . '";'); > > The str_replace is used because you could have a " inside $str and it > would break the string, if you are sure the $str has no " inside you > can omit it. > > Jonathan > > On Wed, Jul 29, 2009 at 5:43 PM, Daniel Kolbo<kolb0057@umn.edu> wrote: >> Hello, >> >> Is it possible to force a string to expand variable names after the >> string has been set and before the variable's been defined without >> having to do a string replace or preg_replace? >> >> for example, >> <?php >> $str = "some string and some \$var plus other stuff"; >> echo $str."<br />"; >> $var = "Variable Contents"; >> echo $str."<br />"; >> $str_expanded = $str;//would like this to expand $var into $str_expanded >> echo $str_expanded."<br />"; >> ?> >> >> Thanks, >> dK >> ` >> >> -- >> PHP General Mailing List (http://www.php.net/) >> To unsubscribe, visit: http://www.php.net/unsub.php >> >> > nice! This would allow me to have $str loaded with all kinds of variables and not have to do a str_replace with each (assuming the quote business is cool) Why did you have the double \\? > eval('$str_expanded = "' . str_replace('"', '\\"', > $str) . '";'); Isn't the following equivalent? eval('$str_expanded = "' . str_replace('"', '\"', $str) . '";'); Thanks, dK `