Outputting all the values stored in a multidimensional array

multidarray-all.php

<?php
    $file = "img/15.jpeg";
    $data = exif_read_data($file);

    echo "<ul>\n";
	foreach ($data as $key => $value)
	    {
	        // Checks if $value is an array
	        if (is_array($value)) {
    	        echo "<li><strong>{$key}</strong>:</li>\n";

                // ... and prints out a new list containing values stored in the
                // nested array.

                echo "\t<ul>\n";
        	        foreach ($value as $property => $result) {
            	            echo "\t\t<li>{$property} : {$result}</li>\n";
                    }
                echo "\t</ul>\n";

            } else { // Continues the previous list if $value is not an array
                echo "<li>{$key} : {$value}</li>\n";
            }
        }
    echo "</ul>";
?>