new syntax

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Hi,

I've been developing a site using PHP (version 3.0.11) on a server that =
was configured by someone else. I recently installed PHP version 4.0.3 =
on a different server, and ported my code over to the new machine.  =
Unfortunately it seems that my code is using syntax not recognized by =
PHP4.  I have code like this:

echo "<a href=3D\"http://www.myserver.com/${user_dir}/files/\">click =
here</a>";

that worked on PHP3, but now I get a parse error until I change it to:

echo "<a href=3D\"http://www.myserver.com/{$user_dir}/files/\">click =
here</a>";

- note the reversal of the "$" and the "{"

This is problematic as I have lots of code that uses that syntax.  Am I =
missing something in my config files that would allow PHP4 to recognize =
the old PHP3 syntax?  I find it hard to believe that PHP4 would not be =
completely backwards compatible.

Any help would be much appreciated.

-Dan

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