Re: what is the meaning of the following construct

On Fri, Apr 16, 2004 at 11:59:34AM +0200, Cipriano Groenendal wrote: > > in scripts/pearcmd.php > > I could see the following piece of code at the begining(at the second > > line) > > > > if ('@include_path@' != '@'.'include_path'.'@') { > > ini_set('include_path', '@include_path@'); > > } > > > > I wrote a small php page test.php and invoked the same as pearcmd.php is > > invoked from pear shell script. > > > > It never gets in to the if block. > > > > what is the use of putting @ before and after some constant(may or > > maynot be set)? > > > > Putting @ at the beginning suppresses error messages. What is the use of > > putting at the end. > IIRC, tags like these are replaced by the installer in source files when > they're installed. it seems to test if those tags have been replaced or not. > In my INSTALLED pearcmd.php it says this: > if ('/usr/share/pear' != '@'.'include_path'.'@') { > ini_set('include_path', '/usr/share/pear'); > } It sounds like the person who wrote that code should have left a comment explaining the purpose of that construct. -- Jon Parise (jon@php.net) :: The PHP Project (http://www.php.net/)