How to Access First Level Keys of a 2D Array using a Foreach Loop in PHP?

Using a Foreach Loop to Access First Level Keys of a 2D Array

In this situation, you can utilize the PHP foreach loop with the correct syntax to effectively access the first level keys of your 2D array, $places.

The updated code below incorporates the proper syntax for extracting the first level keys:

<?php
foreach ($places as $key => $site): ?>
    <h5><?= $key ?></h5>  <!-- Replace key($site) with $key -->
        <?php foreach($site as $place): ?>
            <h6><?= $place['place_name'] ?></h6>
        <?php endforeach ?>

<?php endforeach ?>

By revising the line where you retrieve the first level key, you now use the variable $key instead of key($site). This change directly accesses the first level key (in this case, the name of the city) and assigns it to the $key variable. Consequently, you can effortlessly display the first-level key (the city name) within your view.

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