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<?php

echo "<b>Ejercicio 1</b>";

echo "<br>";
echo "<br>";

$array= array ("Alberto","Jordi","Juan","Lina","Pepe");
sort($array, SORT_STRING);

foreach($array as $orden => $alumno) {
	echo "Alumnos[". $orden ."] = ". $alumno . "<br>";
}

echo "<br>";
echo "<br>";

echo "<b>Ejercicio 2</b>";

echo "<br>";
echo "<br>";

$array= array ("Alberto","Jordi","Juan","Lina","Pepe");
rsort($array, SORT_STRING);

for($i=0;$i<=4;$i++) {
	echo "Alumnos[". $i ."] = ". $array[$i] . "<br>";
}

echo "<br>";
echo "<br>";

$array= array ("Alberto","Jordi","Juan","Lina","Pepe");
if (in_array("Lina", $array)) {
    echo "Lina exsiste";
}

echo "<br>";
echo "<br>";

$array= array ("Alberto","Jordi","Juan","Lina","Pepe");

$clave = array_search("Lina", $array);

echo "$clave";

echo "<br>";
echo "<br>";


echo "<b>Ejercicio 3</b>";

echo "<br>";
echo "<br>";

$Data = array("Heidi Burton" => "puck", "Harvey Hansen" => "555666", "Landon Anderson" => "tracy", "Byron Lawrence" => "1959", "Jimmy Cook" => "linda1");

var_dump($Data);

echo "<br>";
echo "<br>";

asort($Data, SORT_STRING);

foreach ($Data as $user => $pass) {

	echo "Usuari : " .$user . " - pass :" .$pass . "<br>";
}

echo "<br>";
echo "<br>";

var_dump($Data);

echo "<br>";
echo "<br>";

ksort($Data, SORT_STRING);

foreach ($Data as $user => $pass) {

	echo "Usuari : " .$user . " - pass :" .$pass . "<br>";
}

echo "<br>";
echo "<br>";

var_dump($Data);

echo "<br>";
echo "<br>";

foreach ($Data as $user => $pass) {

   $user = strtoupper($user);
   echo "Usuari : " .$user . " - pass :" .$pass . "<br>";
}

echo "<br>";
echo "<br>";

var_dump($Data);

echo "<br>";
echo "<br>";

if (in_array("Lina", $Data)) {
    echo "Lina exsiste";
} else {
	echo "Lina no exsiste";
  }

echo "<br>";
echo "<br>";

echo "<b>Ejercicio 4</b>";

echo "<br>";
echo "<br>";

$a = array();
$b = array();

for ($i = 0; $i < 10; $i++)
{
    array_push($a, rand(1, 100));
    array_push($b, rand(1, 100));
}

$c = array_merge($a, $b);

echo "<br>";
echo "<br>";

var_dump($c);

echo "<br>";
echo "<br>";

if (in_array(100, $c) || in_array(50, $c))
{
    echo "Exsiste el 100 o el 50";
}

echo "<br>";
echo "<br>";

foreach ($c as $value){

     echo $value . "<br>";
}

echo "<br>";
echo "<br>";

$max=max($c);
$min=min($c);

echo "El mas grande es " .$max . " y el mas pequeño es ". $min;

echo "<br>";
echo "<br>";

$c= array (rand(1,100));
sort($c, SORT_NUMERIC);

foreach ($c as $key){

    echo $key . "<br>";
}

echo "<br>";
echo "<br>";

var_dump($c);

echo "<br>";
echo "<br>";

$x = range(50, 100);

echo "<br>";
echo "<br>";

var_dump($x);

?>
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