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<?php
/**
* Nette Forms custom validator example.
*/
if (@!include 'Nette/loader.php') {
die('Install packages using `composer install`');
}
use Nette\Forms\Form;
use Tracy\Debugger;
use Tracy\Dumper;
Debugger::enable();
// Define custom validator
class MyValidators
{
static function divisibilityValidator($item, $arg)
{
return $item->value % $arg === 0;
}
}
$form = new Form;
$form->addText('num1', 'Multiple of 8:')
->setDefaultValue(5)
->addRule('MyValidators::divisibilityValidator', 'First number must be %d multiple', 8);
$form->addText('num2', 'Not multiple of 5:')
->setDefaultValue(5)
->addRule(~'MyValidators::divisibilityValidator', 'Second number must not be %d multiple', 5); // negative
$form->addSubmit('submit', 'Send');
if ($form->isSuccess()) {
echo '<h2>Form was submitted and successfully validated</h2>';
Dumper::dump($form->getValues());
exit;
}
?>
<!DOCTYPE html>
<meta charset="utf-8">
<title>Nette Forms custom validator example</title>
<link rel="stylesheet" media="screen" href="assets/style.css" />
<script src="https://nette.github.io/resources/js/netteForms.js"></script>
<script>
Nette.validators.MyValidators_divisibilityValidator = function(elem, args, val) {
return val % args === 0;
};
</script>
<h1>Nette Forms custom validator example</h1>
<?php echo $form ?>
<footer><a href="https://doc.nette.org/en/forms">see documentation</a></footer>
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