Example custom form validation in Elefant

Author.php

<?php

class Author extends Model {
	public static function unique_name ($value) {
		$res = Author::query ()
			->where ('first_name', $_POST['first_name'])
			->where ('last_name', $_POST['last_name'])
			->count ();
		if ($res > 0) {
			return false;
		}
		return true;
	}
}

?>

forms_author.php

; <?php /*

[first_name]

not empty = 1
callback = "Author::unique_name"

[last_name]

not empty = 1

; */ ?>

handlers_author.php

<?php

$form = new Form ('post', $this);

echo $form->handle (function ($form) {
	info ($_POST);
});

?>

views_author.html

<form method="POST" id="{{ _form }}">

<p>{"First Name"}:<br /><input type="text" name="first_name" value="{{ first_name|quotes }}" />
<span class="notice" id="first_name-notice">{"The name is required and must be unique."}</span></p>

<p>{"Last Name"}:<br /><input type="text" name="last_name" value="{{ last_name|quotes }}" />
<span class="notice" id="last_name-notice">{"Please enter the author's last name."}</span></p>

<p><input type="submit" value="{"Submit"}" /></p>

</form>