PHP code example of jridgewell / form-validator

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

jridgewell / form-validator example snippets

    use \FormValidator\Form;
    use \FormValidator\Validation;

    class TestForm extends \FormValidator\Form {
        public function __construct() {
            $this->validations = array( // Contains a hash array of form elements
                "name" => Validation::presence() // name field must contain something
            );
        }
    }

     = new TestForm();

    /* Checks if the form has submitted then the form is checked for validation against the rules contained
       within the $validations array of TestForm returning the validated data if its successful
     */

    if($form->hasPosted() && ($data = $form->validate())) {
        // Form passes validation, use the $data for validated POST data

    } else {
        // Form hasn't posted or hasn't passed validation, so we load our html file
        

    <form name='input' method='POST'>
     $form->error('name', 'There was an error'); 

    class TestForm extends Form{
        public function __construct() {
            $this->validations = array(
                'name' => Validation::presence(),
                'age'   => array( //Specifiy multiple rules
                    Validation::presence(),
                    Validation::numericality()
                )
            );
        }
    }

    <form name='input' method='POST'>
     $form->error('name', 'There was an error'); 

    class TestForm extends Form {
        public function __construct() {
            $this->validations = array(
                'name' => Validation::length(array(
                    'minimum'  => 0,
                    'maximum' => 100
                )),
                'age'   => Validation::numericality(array(
                    'optional' => true,
                    'only_integer' => true
                )),
                'username' => Validation::exclusion(array(
                    'admin',
                    'superuser'
                ), array(
                    'message' => 'You are not our master!'
                ))
            );
        }
    }

    // TestForm.php
    class TestForm extends Form{
        public function __construct() {
            $this->validations = array(
                'password' => Validation::confirmation(function() {
                    return $_POST['password_confirmation'];
                })
            );
        }
    }

    // TestForm.php
    class TestForm extends Form{
        public function __construct() {
            $this->validations = array(
                'usernames' => Validation::exclusion(array(
                    'admin',
                    'superuser'
                ))
            );
        }
    }

    // TestForm.php
    class TestForm extends Form{
        public function __construct() {
            $this->validations = array(
                'mp3Url' => Validation::format('/\.mp3$/')
            );
        }
    }

    class TestForm extends Form{
        public function __construct() {
            $this->validations = array(
                'usernames' => Validation::inclusion(array(
                    'Matt',
                    'Thor',
                    'Asa'
                ))
            );
        }
    }

    class TestForm extends Form {
        public function __construct() {
            $this->validations = array(
                'checkCustom' => Validation::validateWith(function($val) {
                    if ($val === 'supahSecret') {
                        return true;
                    }
                    return (substr($val, 0, 2) == 'st');
                })
            );
        }
    }