Validating Blade Directives

Learn about our new validation helpers and add them to the Blade directive class.

We'll cover the following

Beginning the validator implementation
Adding our validate method
Try it out

In this lesson, we will work to implement a Blade directive validation system. Our validation system will allow developers to specify arbitrary callback functions that will be used to determine if a directive is valid or not. We will also use this system internally to support the default validators. Our validation functions will indicate an issue if they return a string, and returning nothing will mean that the directive passed that particular validation rule.

Beginning the validator implementation

To begin, we will add our $validators array and our addValidator method:

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Introduction

What Are Strings?

Fluent Strings

The Formatting Helper Methods

The Logical Helper Methods

The Construction Helper Methods

The Extraction Helper Methods

Padding Strings

String Translations and Extension

Lines and Words

Applied Techniques: Writing a Gherkin Parser

Markov Chains and Text Generation

Fixed Width Data Parsing

Splitting Strings

Applied Techniques: A Blade Directive Validator

Working with HTML

Regular Expressions

Conclusion

Appendix

Validating Blade Directives

Beginning the validator implementation