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Example code of phpixie/validate

Informations about the package validate

Validate

PHPixie Validation library

Most PHP validation libraries share a large flaw - they only work with flat arrays and are mostly targeting form validation. This approach is irredeemably outdated, as when developing APIs and RESTful services we frequently have to work with request documents with complex structures. PHPixie Validate is designed to provide an easy approach to validating those. It requires no dependencies, so even if you are not using PHPixie it can still come in handy in your project.

Let's start with an easy flat array example first:

The full list of available filters can be found here. Every public method in these Registry classes is an available filter

You can also build the validator using an shorthand callback syntax:

Now let's try validating:

Working with results

As you can see above a Result object contains the errors appended to it and also results of all fields. It may see that errors are just strings, while in fact they are also classes that implement the magic __toString() method for debugging convenience. When working with forms you'll probably want to use your own error messages instead. To do this get the type and parameters information from the error class and format it accordingly, e.g. :

This way with a simple helper class you can customize all errors for your users.

Data structures

Now let's try a structured example:

It looks much better with the alternative syntax, since it follows the structure of your data:

Now let's try using it:

Try it out

To fire up this demo, just run:

All versions of validate with dependencies

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