<?php

    if(!$_POST && !$_GET)
    {
        $tvrtke = array();
        $redovi = file("randomdata.txt");

        //da izbrisemo prvi red u kojem je ime|tel|email... bla bla bla
        array_shift($redovi);

        foreach($redovi as $red)
        {
            $red = trim($red); //da maknemo novi red na kraju
            $polje = explode("|", $red);

            if(!in_array($polje[7], $tvrtke))
            {
                $tvrtke []= $polje[7];
            }
        }

        ?>
        <form method="post" action="">
            Tvrtka:<br>
            <select name="tvrtka">
            <?php
                foreach($tvrtke as $tvrtka)
                {
                    echo "<option value=\"$tvrtka\">$tvrtka</option>";
                }
            ?>
            </select>
            <input type="submit" value="Odaberi" name="submit">
        </form>

        <?php

    }
    else if($_POST && !$_GET)
    {
        $tvrtka = $_POST['tvrtka'];

        $redovi = file("randomdata.txt");
        array_shift($redovi); //brisanje prvod reda

        echo "<table border=1>";

        foreach($redovi as $red)
        {
            $red = trim($red);
            $polje = explode("|", $red);
            if($polje[7] == $tvrtka)
            {
                echo "<tr>
                    <td>$polje[0]</td>
                    <td>$polje[1]</td>
                    <td>$polje[2]</td>
                    <td>$polje[3]</td>
                    <td>$polje[4]</td>
                    <td>$polje[7]</td>
                    <td><a href=\"?teldjelatnika=$polje[1]\">Izmjeni</a></td>
                </tr>";
            }
        }
        echo "</table>";
    }
    else if($_GET && !$_POST)
    {
        $tel = $_GET['teldjelatnika'];

        $redovi = file("randomdata.txt");

        //da izbrisemo prvi red u kojem je ime|tel|email... bla bla bla
        array_shift($redovi);

        foreach($redovi as $red)
        {
            $red = trim($red); //da maknemo novi red na kraju
            $polje = explode("|", $red);
            if($polje[1] == $tel)
            {
                echo "<form action=\"?spremanje=1\" method=\"post\">
                        Ime:<br>
                        <input type=\"text\" name=\"p0\" value=\"$polje[0]\">
                        <br>
                        Tel:<br>
                        <input type=\"text\" name=\"p1\" value=\"$polje[1]\">
                        <br>
                        Email:
                        <br>
                        <input type=\"text\" name=\"p2\" value=\"$polje[2]\">
                        <br>
                        Grad:
                        <br>
                        <input type=\"text\" name=\"p3\" value=\"$polje[3]\">
                        <br>
                        Regija:
                        <br>
                        <input type=\"text\" name=\"p4\" value=\"$polje[4]\">
                        <br>
                        Datum:
                        <br>
                        <input type=\"text\" name=\"p5\" value=\"$polje[5]\">
                        <br>
                        Bio:
                        <br>
                        <textarea name=\"p7\" value=\"$polje[6]\">$polje[6]</textarea>
                        <br>
                        Tvrtka:
                        <br>
                        <input type=\"text\" name=\"p6\" value=\"$polje[7]\">
                        <br>
                        <br>
                        <input type=\"submit\" value=\"Spremi\" name=\"shit\">
                      </form>";
            }

        }
    }
    else
    {
        $p0 = $_POST['p0'];
        $p1 = $_POST['p1'];
        $p2 = $_POST['p2'];
        $p3 = $_POST['p3'];
        $p4 = $_POST['p4'];
        $p5 = $_POST['p5'];
        $p6 = $_POST['p6'];
        $p7 = $_POST['p7'];

        $redovi = file("randomdata.txt");
        $novi_redovi = array();

        foreach($redovi as $red)
        {
            $polje = explode("|", $red);

            if($polje[1] == $tel)
            {
                $novi_redovi []= "$p0|$p1|$p2|$p3|$p4|$p5|$p6|$p7";
            }
            else
            {
                $novi_redovi []= $red;
            }

        }
        file_put_contents("randomdata.txt", $novi_redovi);
    }

?>