public function validate($relationshipName = NULL)
{
if (!empty($relationshipName)) {
throw new PolymorphicException('Relationship path "' . $relationshipName . '" has no meaning for polymorphic collections');
}
return parent::validate();
}
/**
* This function performs the validation work for complex object models.
*
* In addition to checking the current object, all related objects will
* also be validated. If all pass then <code>true</code> is returned; otherwise
* an aggreagated array of ValidationFailed objects will be returned.
*
* @param array $columns Array of column names to validate.
* @return mixed <code>true</code> if all validations pass; array of <code>ValidationFailed</code> objets otherwise.
*/
protected function doValidate($columns = null)
{
if (!$this->alreadyInValidation) {
$this->alreadyInValidation = true;
$retval = null;
$failureMap = array();
// We call the validate method on the following object(s) if they
// were passed to this object by their coresponding set
// method. This object relates to these object(s) by a
// foreign key reference.
if ($this->aCollection !== null) {
if (!$this->aCollection->validate($columns)) {
$failureMap = array_merge($failureMap, $this->aCollection->getValidationFailures());
}
}
if ($this->aFile !== null) {
if (!$this->aFile->validate($columns)) {
$failureMap = array_merge($failureMap, $this->aFile->getValidationFailures());
}
}
if (($retval = CollectionFilePeer::doValidate($this, $columns)) !== true) {
$failureMap = array_merge($failureMap, $retval);
}
$this->alreadyInValidation = false;
}
return !empty($failureMap) ? $failureMap : true;
}
<?php
require 'class-collection.php';
require 'form_tools.php';
$collection = new Collection('data.txt');
$errors = array();
$valid = "";
$file_error = "";
if (isset($_POST['title'])) {
// make sure all data exists
$valid = $collection->validate($_POST, $errors);
if ($valid) {
$book = $collection->format_data($_POST);
$book = $collection->write_to_file($book);
if ($book) {
header("location:home.php?new=1");
} else {
$file_error = "File could not be opened.";
}
}
}
?>
<!DOCtype html>
<html lang="EN">
<head>
<title>New Book</title>
<link rel="stylesheet" type="text/css" href="style.css" media="all" />
</head>
<body>
<h1>New Book</h1>
<?php
