You always have the opportunity to make your own validation rules, see the CakePHP book at: http://book.cakephp.org/view/1179/Custom-Validation-Rules
I don't think the CakePHP team can take into account all the possible kinds of validation rules that we would like to have. But feel free to make the suggestion to the team for the validation rules, that you would like to see in future CakePHP versions. Enjoy, John On Feb 13, 3:30 am, Ryan Schmidt <[email protected]> wrote: > The "numeric" validator is simply a shim to call PHP's is_numeric() function, > but some might be surprised at the range of values that PHP considers to be > numeric: > > 3.14 > 1.0e-1 > -5 > > Some developers might have assumed that "numeric" meant non-negative integers > only -- particularly considering that that (along with allowing alphabetic > characters) is the behavior of the not-so-differently-named "alphaNumeric" > validator. > > Even the author of bake apparently thought "numeric" meant non-negative > integers; bake's suggested validation for all my id fields is "numeric", but > I would not consider "3.14", "1.0e-1" or "-5" to be valid ids, and I would > want my model's validation to know that. > > Integer validation (positive, negative and zero) should be as simple as > preg_match('/^-?\d+$/', $value). (PHP offers an is_int() function, but it > requires the type of the variable to be an integer, whereas with data that > comes from web forms we're often talking about strings representing integers.) > > Non-negative integer validation would be preg_match('/^\d+$/', $value). (If > you have the ctype functions available, PHP offers ctype_digit(), but it > requires the type of the variable to be a string, and fails if it is an > actual integer variable.) > > So, why doesn't CakePHP have built-in integer and digit validation functions > and suggest these for use as default validators for integer and unsigned > integer fields, respectively? -- Our newest site for the community: CakePHP Video Tutorials http://tv.cakephp.org Check out the new CakePHP Questions site http://ask.cakephp.org and help others with their CakePHP related questions. To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/cake-php
