README

This library use to validate and sanitize form entry with sanitization to avoid sql injection and easy to set rules for specific fields.

Install

composer require jasonsarino/form-validator

Requires PHP 7.1 or newer.

Usage

Include Sanitizer and FormValidator Class

// include sanitizer class
require_once 'Sanitizer.php';

// include formvalidator class
require_once 'FormValidator.class.php';

// init class
$form = new FormValidator();

Fetch data from $_POST form

assume that we have data from $_POST data

// Fetch value from post type
$_POST['firstname'] = "Juan";
$_POST['surname'] = "Dela Cruz";
$_POST['age'] = "23";
$_POST['comment'] = "This is test comment's";

Reset data array for multiple form entries

(Optional) Use to reset array to FormValidator class f you have multple form entries

$form->data = array();

Set and Hold $_POST into data array variable

$form->setData($_POST);

Set Rules ro fields

// set rules for First Name 
$form->setRules('firstname','First Name','required|alphaS');

// set rules for Surname                          
$form->setRules('surname','Surname','required|alphaS');   

// set rules for Age                  	
$form->setRules('age','Age','required|num');        

// set rules for Comment             	
$form->setRules('comment'  , 'Comment',   'alphaNumSymbolS');

Validate data array variable with rules

$form->validateData();

Get the result from validateData method

return bolean

$form->isValid();

Display Error

$form->getErrorMessage();

Complete Usage

// include sanitizer class
require_once 'Sanitizer.php';

// include formvalidator class
require_once 'FormValidator.class.php';

// init class
$form = new FormValidator();

// Fetch value from post type
$_POST['firstname'] = "Juan";
$_POST['surname'] = "Dela Cruz";
$_POST['age'] = "23";
$_POST['comment'] = "This is test comment's";
                
/*
 * (Optional)
 * Use to reset array to FormValidator class
 * if you have multple form entries
 */
$form->data = array();  

// Set and Hold data into array                                       
$form->setData($_POST);   

// set rules for First Name 
$form->setRules('firstname','First Name','required|alphaS');

// set rules for Surname                          
$form->setRules('surname','Surname','required|alphaS');   

// set rules for Age                  	
$form->setRules('age','Age','required|num');        

// set rules for Comment             	
$form->setRules('comment'  , 'Comment',   'alphaNumSymbolS');                     	

// Execute and validate data request rules
$form->validateData();		

// Check if valid all rules
if ($form->isValid()) {                 

    // Get sanitized $_POST from validator
    $firstname = $form->dataFields['firstname'];
    $surname = $form->dataFields['surname'];
    $age = $form->dataFields['age'];
    $comment = $form->dataFields['comment'];

    // Display $_POST data
    echo "First Name: " . $firstname . "<br />Surname: " . $surname . "<br />Age: " . $age . "<br />Comment: " . $comment;

} else {
	
    // Display all errors.
    echo  $form->getErrorMessage();
}

Rule Reference

The following is a list of all the native rules that are available to use:

jasonsarino / php-formvalidator

Maintainers

Details