<?php
$current_time = date("H");
$user_age = "18";
$username = "Nikola";
$user_gender = "m";
$time_message = "morning";

if ($current_time>0&&$current_time<12)
{
    $time_message = "morning";
}
else
    if ($current_time>=12&&$current_time<18)
{
    $time_message = "day";
}else{
    $time_message = "evening";
}
$user_message = "Good " . $time_message . ", nice";
switch ($user_gender){
    case "m":
        $user_message.=(($user_age<18)?"boy ":"man ");
        break;
    case "f";
        $user_message.=(($user_age<18)?"girl ":"woman ");
        break;
    default;
    break;
    }
echo $username . " welcome to our site" . PHP_EOL;
echo "Your age is," . $user_age . PHP_EOL;
echo "Current time is," . $current_time . "h";



echo "<br>";

define("_ADMIN", 2);
define("_USER",1);
$userStatus = 2;
if($userStatus ==_ADMIN)
{
    echo "Admin";
} else if ($userStatus ==_USER) {
        echo "User";
    }
    else
        echo "Nisi nista";



echo "<br>";

$user = "Nikola";
$pass = "123";
$validUser = "Nikola2";
$validPass = "123";


if($user==$validUser && $pass==$validPass){
    echo "Uspesno";
}
else echo "Neuspesno.";



echo "<br>";

$status = "2";

switch($status)
{
    case 1: echo "Welcome user"; break;
    case 2: echo "Welcome Administrator";break;
    case 3: echo "Welcome SuperAdministrator";break;
    default: echo "Status nije prepoznat";break;


}
echo "<br>";
$status = "4";
$userMsg = ($status>0&&$status<4)?"Welcome user":"Uknown User";
echo $userMsg;
echo "<br>";
if($status>0&&$status<4)
{
    echo "Welcome User";
} else echo "Uknown User";


echo "<br>";

$x = false;
$a = ((2+3)==5 && (true ==-25) || $x == true);
echo $a;



for($a=1;$a<10;$a++)
    echo "$a<br>";
echo $a;


echo '<br>';
$x = 10;
    $x = ($x++)-(++$x);

    echo $x;


echo '<br>';
echo '<br>';
echo '<br>';
echo '<br>';



$student = 1;
$profesor = 2;
$koordinator = 4;
$tehnicka_podrska = 8;

$loggedUser = 1;
$allowedUser = $koordinator | $tehnicka_podrska;

if (($loggedUser&$allowedUser) != 0 )
{
    echo "Allowed user ";
    switch($loggedUser)
    {
        case 1: echo "Student";
        break;
        case 2: echo "Profesor";
        break;
        case 4: echo "Koordinator";
        break;
        case 8: echo "Tehnicka Podrska";
        break;


    }


}
$i=0;
for(;;)
{
    echo $i++;
    if($i==5) break;
}


?>

<select>
<option>Prva1</option>
<option>Prva2</option>
<option>Prva3</option>
<option>Prva4</option>
<option>Prva5</option>
</select>

<br>

<?php




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

$year = date("Y");
for($i=$year;$i>=1960;$i--)
{

    $year = date("Y");
    echo "<option>$i</option>";

}
    echo "</select>";
    ?>

    <?php
    /*
    for($i=1;$i<101;$i++)
        echo $i*$i . "<br>";


    for($i=1;$i<101;$i++)
        echo pow ($i,2) . "<br>";


     */
     $suma=0;
     for($i=1;$i<=100;$i++)
     {
         $suma+=$i;
     }
     $broj = $i-1;
echo "Suma prvih $broj brojeva je $suma";

echo "<br>";


    for($i=1;$i<=10;$i++)
    {
        for($j=1;$j<=10;$j++)
        {
                if($i==1 || $i==10 || $j == 1 || $j == 10) echo "<font color='blue'>X</font>";
                    else if ($i==$j) echo "<font color='red'>D</font>";
                    else if ($i+$j==11) echo "<font color='red'>D</font>";
                else
                    echo "K";
        }
        echo "<br>";
    }
    echo "<br>";



$dana = 31;
$meseci = 12;
$godine_start = 1980;
$godine_end = 2000;
echo "<select>";
for($i=1;$i<=$dana;$i++)
{
    echo "<option>".$i."</option>";

}
echo "</select>";
echo "<select>";
for($i=1;$i<=$meseci;$i++)
{
    echo "<option>".$i."</option>";

}
echo "</select>";
echo "<select>";
for($i=$godine_start;$i<=$godine_end;$i++)
{
    echo "<option>".$i."</option>";

}
echo "</select>";

echo "<br>";


$number = 5;
while($number>=2){
    echo $number;
    $number--;



}
echo "<br>";

$number=1;
while(true)
{
    while($number<5)
    {
            if($number==3)
            {
                break(2);
            }
            echo"Number: ".$number."<br>";
            $number++;
    }
}
echo "Program nastavlja";
echo "<br>";

for ($i=1;$i<=5;$i++)
{
    if($i==3) continue;
    echo $i;
}
echo "<br>";
echo "<br>";
$i=1;
while($i<=5)
{
    if($i++==3) continue;
    echo $i;
}
echo "<br>";
echo "<br>";
$i=1;$j=1;
while($j<=5)
{
        while($i<=5)
        {
            if($i++==3) continue 2;
            echo $i;
        }
        echo $j++;
}


echo "<br>";

$niz=array(11,2,13,41,55);

for($i=0;$i<=5;$i++)

    echo $niz[$i]." ";
echo "<br>";

foreach($niz as $br)
    echo $br." ";
    echo "<br>";
foreach($niz as $br)
{
    $br = $br*2;
    echo $br. " ";
}
    echo "<br>";
foreach($niz as $br)
echo $br. " ";

    echo "<br>";


$niz=array(11,2,13,41,55);
$suma = 0;
for($i=1;$i<=5;$i++)
    $suma+=$niz[$i];
echo $suma;
echo "<br>";





$niz=array(11,2,13,41,55);
$max = $niz[0];
for($i=1;$i<count ($niz);$i++)
    if($niz[$i]>$max)
        $max=$niz[$i];
    echo "Max je: ".$max."<br>";


$niz=array(11,2,13,41,55);
$min = $niz[0];
for($i=1;$i<count ($niz);$i++)
    if($niz[$i]<$min)
        $min=$niz[$i];
    echo "Min je: ".$min."<br>";