I read somewehere (I thought on codinghorror) that it is bad practice to add strings together as if they are numbers, since like numbers, strings cannot be changed. Thus, ad
This is not a solution for 2 strings, but when you thinking of joining more strings best way like that:
$tmp=srray(); for(;;) $tmp[]='some string'; $str=implode('',$tmp);
It's faster to create array element and join them all at once, than join them hundred times.