validation_error

php_validation

WORKS

var $validate = array(
    'id         => '/[0-9]{1,}$/i',
    'startDate' => VALID_NOT_EMPTY
);

DOES NOT WORK
var $validate = array(
    'id         => '/[0-9]{1,}$/i',
    'startDate' => array( 'rule' => 'validDate', 'message' => 'Date not valid')
);

function validDate($check) {
     return true;
}