README

Simple PHP Form Validator based in Code Igniter library.

Installation

Use Composer to install Logger into your project:

composer require evolutionphp/form_validation

Setting Validation Rules

Here is an example to set validation rules:

$form_validation = new \EvolutionPHP\FormValidation\FormValidation();
$form_validation->set_rules('username','Username','required'); 

A complete code looks like this:

<?php
if($_SERVER['REQUEST_METHOD'] == 'POST'){
    $form_validation = new \EvolutionPHP\FormValidation\FormValidation();
    $form_validation->set_rules('username','Username','required');
    if($form_validation->run() == false){
        $error_msg = $form_validation->error_string();
    }
}

Setting Rules Using an Array

Before moving on it should be noted that the rule setting method can be passed an array if you prefer to set all your rules in one action. If you use this approach, you must name your array keys as indicated:

$rules = [
    [
        'field' => 'username',
        'label' => 'Username',
        'rules' => 'required'
    ],
    [
        'field' => 'password',
        'label' => 'Password',
        'rules' => 'required|min_length[6]',
        'errors' => [
            'required' => 'Password is required.'        
         ]       
    ]
]
$form_validation->set_rules($rules); 

Validating an Array (other than $_POST)

Sometimes you may want to validate an array that does not originate from $_POST data.

$data = [
    'username' => 'smith',
    'password' => 'IAmGroot'
]
$form_validation->set_data($data); 

Important

For a full documentation visit the CodeIgniter Form Validation page.

Extra Validation Rules

Use translated error messages

By default, error messages are located in /src/Lang/data.php, you can use your own translation loading a new array data:

$lang['form_validation_required'] = 'The {field} field is required.';
$lang['form_validation_is_image'] = 'The {field} field does not contains a valid image.';
$form_validation->set_language($data); 

Authors

This library was primarily developed by CodeIgniter 3 and modified by Andres M.