Re: variable type - conversion/checking

On Fri, 2013-03-15 at 22:32 -0400, Andrew Ballard wrote: > > Guess regex are the only useful solution here. When you consider to use > > built-in functions, just remember, that for example '0xAF' is an integer > > too, but '42.00' isn't. > > Shoot...I hadn't considered how PHP might handle hex or octal strings when > casting to int. (Again, not in front of a computer where I can test it > right now. ) > > Regexes have problems with more than 9 digits for 32-bit ints. I guess to > some degree it depends on how likely you are to experience values that > large. > > Andrew Do they? Regex's deal with strings, so I don't see why they should have such issues. I've certainly never come across that problem, or heard of it before. Thanks, Ash http://www.ashleysheridan.co.uk