BLEBLEBLE

<?php

$tab[]="stefan";
$tab[]="martyna";
$tab[]="kasia";
$tab[]="kasia";
$tab[]="grzegorz";
$tab[]="andrzej";

echo "POCZĄTEK: ";
    foreach ($tab as $value)
    {
        echo $value. ", ";
    }

    echo "ASORT: ";
    asort ($tab);
    foreach ($tab as $value)
    {
        echo $value. ", ";
    }
    echo "ARRAY UNIQUE: ";
    $tab = array_unique($tab);
    foreach ($tab as $value)
    {
        echo $value. ", ";
    }
    echo "ARRAY REVERSE: ";
    $tab1 = array_reverse($tab);
    foreach ($tab1 as $value)
    {
        echo $value. ", ";
    }

?>