Manipulating multidimensional associative arrays in PHP and using composite $_FILES[] along with foreach

php-multidimensional-associative-array.php

<?php
$letters = ['a','b','c'];
$words = [];
$words['name'] = 'Akash';
$words['skills'] = array();
$words['vocab'] = 10;
$words['temp'] = array();

foreach($letters as $letter) {
	$words['skills'][] = htmlentities($letter);
}

print_r($words);
echo "</br>";

if(in_array('a', $words['skills'])) {
	print("Present</br>");
} else {
	print("Not there</br>");
}

$files = ['fname' => 'pic.jpg',
		  'ftype' => 'jpg',
		  'flocation' => 'jsjasj'];

$words['temp'] = $files;

print_r($words);
echo "</br>";

$empty_test = [];
$empty_test['name'] = "Hello Angelina";
if(empty($empty_test)) {
	echo "Is empty";
} else {
	echo "Not empty";
}