PHP validation for PSR-7 request.

• PSR compatible.
• Used for $request->getParsedBody and $request->getUploadedFiles.
• Sanitize values.

• PHP >= 7.1
• A PSR-7 http message implementation and PSR-17 http factory implementation (ex. Embryo-Http)

Using Composer:

$ composer require davidecesarano/embryo-validation

You may quickly test this using the built-in PHP server going to http://localhost:8000.

$ cd example
$ php -S localhost:8000

Let's assume we have POST request. With PSR we have the $_POST parameters in $request->getParsedBody() and the $_FILES files in $request->getUploadedFiles(). Use Embryo Validation for to validate parameters values.

$request = (new Embryo\Http\Factory\ServerRequestFactory)->createServerRequestFromServer();
$validation = new Embryo\Validation\Validation($request);

$validation->name('title')->type('text')->required();
$validation->name('body')->type('any')->required();
if ($validation->isSuccess()) {
    // ...
} else {
    print_r($validation->getErrors());
}

If the validation rules pass, your code will keep executing normally; however, if validation fails, you can display errors.

Set field name. If name not exists in $request->getParsedBody() or in $request->getUploadedFiles() return null.

Set field type. If value not match at type return an error. The types are:

• text. Value may be anything, it will be sanitized with FILTER_SANITIZE_STRING.
• email. Value must be an email.
• file. Value must be an array of UploadedFileInterface objects or an UploadedFileInterface object.
• array. Value must be an array.
• datetime. Value must be a DateTime format.
• number. Value must be a generic number.
• int. Value must be an integer.
• float. Value must be a float.
• url. Value must be a url.
• slug. Value must be a slug.
• boolean. Value must be a boolean.
• any. Value may be anything, without sanitization (this is useful for html code).

Set field require. The value must not be empty.

Set field pattern. The value must match regular expression.

Set field value. The value must be the same.

Set field matches. The value must match at one of the values.

Set field length. The value may not be less than $min and greater than $max.

Set field file max size. The size of the file must not be greater than $size in bytes.

Set allowed extensions for file field. The extension must match at one of the values.

Return validation result. This method return an array like so:

    return [
        'status' => 200,
        'data' => [
            'title' => 'Hello World!',
            'body' => 'This is a post...',
            'name' => ''
        ],
        'errors' => [
            'name' => [
                'The name field is required.'
            ]
        ],
        'errorList' => [
            'The name field is required.'
        ]
    ];

If validation fails, status is 400, otherwise is 200.

Return true if validation pass, otherwise return false.

Return errors multidimensional array where key is field name and value is an errors array.

Return errors array.

Return sanitized data array. If the value is an instance of UploadedFileInterface, you must use, for example, $file->getClientFilename() for returning file name. You may returning single item:

    echo $validation->getData('title'); // Hello World!