[PHP-DEV] PHP 5.0.3 Variable Bug or Something More?

[Chris Cowan]

I've ran across some strangeness which I can't figure out. When I run 
the following code I get a Seg Fault / Bus Error in my apache log 
(SegFault on Linux and Bus Error on Mac OS X).

                $rate_id = Core_Request::get('rate_id','integer',true);
                $plan_id = Core_Request::get('plan_id','integer',true);
                $min_seats = Core_Request::get('min_seats','integer',true);
                $max_seats = Core_Request::get('max_seats','integer',true);
                $rate = Core_Request::get('rate','float',true);
                $DB = Core_DB::getInstance();
                
                $query  = "update subscription_prices set ";
                $query .= "min_seats = $min_seats , ";
                $query .= "max_seats = $max_seats , ";
                $query .= "rate = $rate ";
                $query .= "where plan_id = $plan_id ";
                $query .= "and rate_id = $rate_id ";
                
                $DB->query($query);
                $DB->commit();
When I change the variable from $max_seats to $_max the error goes 
away. Also it appears that the $DB->query(); and $DB->commit(); calls 
are being executed and the session is being written to the database. 
I've also had this happen on the following:

                $flat_rate = Core_Request::get('flat_rate','float',true);
                $flat_seats = Core_Request::get('flat_seats','integer',true);
                $plan_id = Core_Request::get('plan_id','integer',true);
                $DB = Core_DB::getInstance();
                
                $query  = "update subscription_plans set ";
                $query .= "flat_seats = $flat_seats , ";
                $query .= "flat_rate = $flat_rate ";
                $query .= "where plan_id = $plan_id ";
        
                $DB->query($query);
                $DB->commit();
To fix this I ended up changing the name of the variables from 
$flat_seats and $flat_rate to $seats and $rates to get the bus error to 
disappear. I've tested this on Mac OS X Client 10.3.7 running Apache 
1.3.33 and PHP 5.0.3 as well as Debian Linux with the same set up. Here 
is the output from "ktrace httpd -X" with the crash at the bottom.

http://www.fwi-archive.com/~chris/debug.txt
Let me know if you need any more information.
Chris Cowan
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