$color1 = array('white', 'green', 'red', 'blue', 'black');
echo displayString($color1);
echo "<br/>2---------------------------------------------<br/>";
//test of 2
$color2 = array('white', 'green', 'red');
echo displayUnorderedList($color2);
echo "<br/>3---------------------------------------------<br/>";
//test of 3
$ceu = array("Italy" => "Rome", "Luxembourg" => "Luxembourg", "Belgium" => "Brussels", "Denmark" => "Copenhagen", "Finland" => "Helsinki", "France" => "Paris", "Slovakia" => "Bratislava", "Slovenia" => "Ljubljana", "Germany" => "Berlin", "Greece" => "Athens", "Ireland" => "Dublin", "Netherlands" => "Amsterdam", "Portugal" => "Lisbon", "Spain" => "Madrid", "Sweden" => "Stockholm", "United Kingdom" => "London", "Cyprus" => "Nicosia", "Lithuania" => "Vilnius", "Czech Republic" => "Prague", "Estonia" => "Tallin", "Hungary" => "Budapest", "Latvia" => "Riga", "Malta" => "Valetta", "Austria" => "Vienna", "Poland" => "Warsaw");
displayCapitalList($ceu);
echo "<br/>4---------------------------------------------<br/>";
//test of 4
$x = array(1, 2, 3, 4, 5);
print_r(deleteElementByKey($x, 0));
echo '<br/>';
print_r(deleteElementByKey($x, 3));
echo "<br/>5---------------------------------------------<br/>";
//test of 5
$color = array(4 => 'white', 6 => 'green', 11 => 'red');
echo getFirstElement($color);
echo "<br/>7---------------------------------------------<br/>";
//test of 7
$x = array(1, 2, 3, 4, 5);
print_r(insert("\$", $x, 2));
echo "<br/>8---------------------------------------------<br/>";
//test of 8
$f = array("Sophia" => "31", "Jacob" => "41", "William" => "39", "Ramesh" => "40");
printArray(sortValueAscending($f));
echo "<br/>";
printArray(sortValueDescending($f));
echo "<br/>";
function sortKeyDescending($array)
{
echo "<br/>sortKeyDescending<br/>";
$newArray = array();
do {
$c = 0;
foreach ($array as $key => $value) {
if ($c == 0) {
$maxKey = $key;
$c = 1;
continue;
} elseif ($maxKey < $key) {
$maxKey = $key;
}
}
$newArray[$maxKey] = $array[$maxKey];
$array = deleteElementByKey($array, $maxKey);
} while (count($array) != 0);
return $newArray;
}
