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PHP 3 to PHP 5 Upgrade… Variables in 3 didn't have $ in front… is there a setting for back compat? – Oscommerce

OK, this is an odd request, and it might not even be fully true… but I’m upgrading someone’s system … and they are using OSCommerce (from a long time ago).

It appears their variables are referrenced without a dollar sign in front of them (which is new to me). I haven’t done PHP in about 7 years, and I’ve always used dollar signs.

Is there a setting that I can throw in PHP 5 that says to assume these are variables?

Example:

mysql_connect(DB_SERVER, DB_UserName, DB_Password);

in my day, that would be:

mysql_connect($DB_Server, etc, etc);

Their site has THOUSANDS of files… no I don’t want to go put dollar signs in front of everything.

HELP!

Thanks,

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3

Answers


  2. 0

    I believe OSCommerce actually DEFINES these values, so the usage is correct (without the $).

    Look for 

    define("DB_SERVER", "localhost");

    or something similar.

    In other words, do not go through and update these with a $ before if they’re actually defined constants.

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  3. 0

    If i remember correctly a big difference is the lack of ‘register_globals’ being default to ‘ON’. You might need to change a lot of instances here $var should be $_REQUEST[‘var’] or the appropriate $_GET/$_POST super globals.

    And as far as constants are concerned you should access them as such:

    constant('MY_CONSTANT')

    This avoids PHP assuming that MY_CONSTANT is a string if the constant is not defined.

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