Standard.php at PHP Form Builder Class

<?php
class ErrorView_Standard extends ErrorView {
	public function applyAjaxErrorResponse() {
		$id = $this->_form->getAttribute("id");
		echo <<<JS
		var errorSize = response.errors.length;
		if(errorSize == 1)
			var errorFormat = "error was";
		else
			var errorFormat = errorSize + " errors were";

		var errorHTML = '<div class="alert alert-error"><a class="close" data-dismiss="alert" href="#">Ã</a><strong class="alert-heading">The following ' + errorFormat + ' found:</strong><ul>';
		for(e = 0; e < errorSize; ++e)
			errorHTML += '<li>' + response.errors[e] + '</li>';
		errorHTML += '</ul></div>';
		jQuery("#$id").prepend(errorHTML);
JS;

	}

	private function parse($errors) {
		$list = array();
		if(!empty($errors)) {
			$keys = array_keys($errors);
			$keySize = sizeof($keys);
			for($k = 0; $k < $keySize; ++$k) 
				$list = array_merge($list, $errors[$keys[$k]]);
		}
		return $list;
	}

    public function render() {
        $errors = $this->parse($this->_form->getErrors());
        if(!empty($errors)) {
            $size = sizeof($errors);
			$errors = implode("</li><li>", $errors);

            if($size == 1)
                $format = "error was";
            else
                $format = $size . " errors were";

			echo <<<HTML
			<div class="alert alert-error">
				<a class="close" data-dismiss="alert" href="#">Ã</a>
				<strong class="alert-heading">The following $format found:</strong>
				<ul><li>$errors</li></ul>
			</div>
HTML;
        }
    }

    public function renderAjaxErrorResponse() {
        $errors = $this->parse($this->_form->getErrors());
        if(!empty($errors)) {
            header("Content-type: application/json");
            echo json_encode(array("errors" => $errors));
        }
    }
}