print and echo functions with or and and

[manuel-rubio]

The use of and and or with the echo and print functions is tricky:

print "OK" or die("trying");

It could be understood as (1):

print("OK") or die("trying");

or maybe as (2):

print("OK" or die(trying));

The trade-off of the original line above is the ambiguity. The current implementation for PHP is the (1). And thanks to a work-around in the parser it is working for simple structures, but it should be improved.