I'm using CakePHP.
Today I tried to link a page of the Page Controller to another page from the Page controller, and I couldn't get to see the link until I wrote
<?= $this->Html->link('myPage', array('controller' => 'pages', 'action' =>
'myPage')); ?>
Why did I have to write <?= and not <?php ?
Generally speaking, when do I have to use <?= and when <?php ?