如何从PHP中的嵌套数组中提取数据？

Question

This is a follow up question from here. But question is different.

I have the following array outputs.

Array $events

Array
(
    [0] => Array
        (
            [day] => 17
            [eventContent] => event 1 of 17th
            [eventTitle] => 17th event 1
        )

    [1] => Array
        (
            [day] => 19
            [eventContent] => event 1 of 19th
            [eventTitle] => 19th event 1
        )

    [2] => Array
        (
            [day] => 05
            [eventContent] => event 1 of 5th
            [eventTitle] => 5th event 1
        )

    [3] => Array
        (
            [day] => 17
            [eventContent] => event 2 of 17th
            [eventTitle] => 17th event 2
        )

    [4] => Array
        (
            [day] => 19
            [eventContent] => event 2 of 19th
            [eventTitle] => 19th event 2
        )

    [5] => Array
        (
            [day] => 19
            [eventContent] => event 3 of 19th
            [eventTitle] => 19th event 3
        )

)

And I want to pull outs day.

If I use this, it will pick up 1,2,3 etc. But I want 17, 19 etc.

if(array_key_exists($day,$events)){...

Could anyon tell me how to do it please?

Thanks in advance.

--UPDATE--

Original view which I need to modify.

if(array_key_exists($day,$events))
{

//adding the date_has_event class to the <td> and close it
echo ' class="date_has_event"> '.$day;
//adding the eventTitle and eventContent wrapped inside <span> & <li> to <ul>
echo '<div class="events"><ul>';?>
<?php foreach ($events as $event) : ?>
<li>
<span class="title"><?php echo $event['eventTitle']; ?></span>
<span class="desc"><?php echo $event['eventContent']; ?></span>
</li>
<?php endforeach; ?>

<?php                           
echo '</ul></div>';
}

Answer 1

foreach ($events as $event) {
   echo $event['day'];
}

Or to get one specific day:

echo $events[0]['day'];