<?php 
class Article extends AppModel {
	var $name = 'Article';
	var $validate = array(
		'title' => array(
			'required' => VALID_NOT_EMPTY,
			'length' => array( 'rule' => 'validateLength', 'min' => 5, 'max' => 100 )
		),
		'body' => VALID_NOT_EMPTY
	);
	
	function validateLength($value, $params = array()) {
		$valid = false;
		
		$params = am(array(
			'min' => null,
			'max' => null,
		), $params);
		
		if (empty($params['min']) || empty($params['max'])) {
			$valid = false;
		} else if (strlen($value) >= $params['min'] && strlen($value) <= $params['max']) {
			$valid = true;
		}
		
		return $valid;
	}
}
?>