Email Validation are not Working in Cakephp 3.0 - php

Question

Email validation is not working and if i take name of the field as email only then it take is email but also not perfect validation like 'a#a' is working if i take it as email otherwise only non-empty is working only.
RecommendTable.php
<?php
namespace App\Model\Table;
use App\Model\Entity\recommend;
use Cake\ORM\Query;
use Cake\ORM\RulesChecker;
use Cake\Validation\Validator;
class RecommendTable extends Table
{
public function initialize(array $config)
{
parent::initialize($config);
$this->table('recommend');
$this->displayField('id');
$this->primaryKey('id');
$this->addBehavior('Timestamp');
}
public function validationDefault(Validator $validator)
{
$validator = new Validator();
$validator
->requirePresence('name')
->notEmpty('name', 'Please fill this field')
->add('name', [
'length' => [
'rule' => ['minLength', 10],
'message' => 'Titles need to be at least 10 characters long',
]
]);
$validator->add("emai", "validFormat", [
"rule" => ["email"],
"message" => "Email must be valid."
]);
$validator
->requirePresence('yemail')
->notEmpty('yemail', 'Please fill this field..')
->add('yemail', ['length' => ['rule' => ['minLength', 10],'message' => 'Titles need to be at least 10 characters long',]]);
return $validator;
}
public function buildRules(RulesChecker $rules)
{
$rules->add($rules->isUnique(['email']));
return $rules;
}
}
Recommend.php
<?php
namespace App\Model\Entity;
use Cake\Auth\DefaultPasswordHasher;
use Cake\ORM\Entity;
class Recommend extends Entity
{
protected $_accessible = [
'*' => true,
'id' => false,
];
protected function _setPassword($value)
{
$hasher = new DefaultPasswordHasher();
return $hasher->hash($value);
}
}
Index.ctp
<?= $this->Form->create($temp) ?>
<div class="row">
<div class="container">
<div class="comment-form">
<div class="row">
<div>
<h2>
<center>
Recommend us to your Friends/Library
</center>
</h2>
</div><fieldset>
<div class="col-md-12 col-sm-12">
<div class="input-container">
<?php
echo $this->Form->input('emai',array('id'=>'emai','label'=>'To ( Receiver’s mail-ID)',"placeholder"=>"Send E-mail to multiple (seperated by commas).")) ?>
</div>
</div>
<div class="col-md-6 col-sm-3">
<div class="input-container">
<?php
echo $this->Form->input('name',array('id'=>'name','label'=>'Name',"placeholder"=>"Name")); ?>
</div>
</div>
<div class="col-md-6 col-sm-3">
<div class="input-container">
<?php
echo $this->Form->input('yemail',array('id'=>'yemail','label'=>'From',"placeholder"=>"From")); ?>
</div>
</div>
<div class="col-md-12 col-sm-12">
<div class="input-container">
<label>Message</label>
<textarea name="msg" id="msg" style="resize: none;text-align:justify; " disabled placeholder="Hello"></textarea>
</div>
</div>
</fieldset>
<div class="col-md-12 col-sm-12">
<div class="input-container">
<?= $this->Form->button(__('Submit')) ?>
<button type="Reset">Reset</button>
<?= $this->Form->end() ?></div>
Recommend Controller
<?php
namespace App\Controller;
use Cake\ORM\TableRegistry;
use App\Controller\AppController;
use Cake\Mailer\Email;
use Cake\ORM\Table;
use App\Model\Tabel\RecommendTabel;
use Cake\Event\Event;
class RecommendController extends AppController
{
public function index()
{
$temp = $this->Recommend->newEntity();
if ($this->request->is('post')) {
$temp = $this->Recommend->patchEntity($temp, $this->request->data);
if($temp) {
$name=$this->request->data('name');
$receiver_email=$this->request->data('emai');
$Subject_Title='Temp';
$Sender_email=$this->request->data('yemail');
$email = new Email();
$email->template('invite', 'default')
->viewVars(['value' => $name])
->emailFormat('html')
->from($Sender_email)
->to($receiver_email)
->subject($Subject_Title)
->send();
$this->Flash->success(__('The user has been saved.'));
return $this->redirect(['action' => 'add']);
} else {
$this->Flash->error(__('The user could not be saved. Please, try again.'));
}
}
$this->set(compact('temp'));
$this->set('_serialize', ['temp']);
}

Answer 1

The patchEntity function returns a patched entity. So, the result of this line will always evaluate to true when used in a boolean context.
$temp = $this->Recommend->patchEntity($temp, $this->request->data);
So, to check whether any errors were detected, your if statement cannot just compare the returned value to true, but instead do something like this:
if (!$temp->errors()) {

Answer 2

Cakephp is provide in defult validation library, please find this validation in (i.e. http://book.cakephp.org/2.0/en/models/data-validation.html). Please try to use this code.
public $validate = array('email' => array('rule' => 'email'));
public $validate = array(
'email' => array(
'rule' => array('email', true),
'message' => 'Please supply a valid email address.'
)
);