alt tag pre obrazok

<?php
$images = array("images/head_image/img_01.jpg",
"images/head_image/img_02.jpg",
"images/head_image/img_03.jpg",
"images/head_image/img_04.jpg",
"images/head_image/img_05.jpg");
mt_srand(time());
$random_index = mt_rand(1, (count($images)));
$random_index--;
?>

<img src="<?php echo "$images[$random_index]" ?>" >

<img src="<?php echo "$images[$random_index]" ?>" alt="alt tag" title="title tag">

$images= array( array( url => 'images/head_image/img_01.jpg',
             alt => 'Tvoj alt text',
             title => 'Tvoj title'
            ),
array( url => 'images/head_image/img_02.jpg',
             alt => 'Tvoj alt text',
             title => 'Tvoj title'
            ),
array( url => 'images/head_image/img_03.jpg',
             alt => 'Tvoj alt text',
             title => 'Tvoj title'
            )
         );

for ( $row = 0; $row < 3; $row++ )
{
 echo '|'.$images[$row]['url'].'|'.$images[$row]['alt'].
    '|'.$images[$row]['title'].'|<br />';
}

echo '|'.$images[$row]['url'].'|'.$images[$row]['alt'].'|'.$images[$row]['title'].'|<br />';

<?php
list($width, $height, $type, $attr) = getimagesize("img/flag.jpg");
echo "<img src=\"img/flag.jpg\" $attr alt=\"getimagesize() example\" />";
?>

<img src="<?php echo "$images[$random_index]" ?>" alt="<?php echo "$alt" ?>" title="<?php echo "$title" ?>">

<?php
// tu mas 2 rozmerne pole
// pomen si cesty k obrazkom ako aj text pre title a alt
$images= array( array( 'url' => 'images/head_image/img_01.jpg',
                       'alt' => 'Tvoj alt text 1',
                       'title' => 'Tvoj title 1'
                     ),
                array( 'url' => 'images/head_image/img_02.jpg',
                       'alt' => 'Tvoj alt text 2',
                       'title' => 'Tvoj title 2'
                     ),
                array( 'url' => 'images/head_image/img_03.jpg',
                       'alt' => 'Tvoj alt text 3',
                       'title' => 'Tvoj title 3'
                     )
              );

// tu je tvoj nahodny generator
mt_srand(time());
$random_index = mt_rand(1, (count($images)));
$random_index--;

// tu je php funkcia na zistenie sirky a vysky obrazku
list($width, $height, $type, $attr) = getimagesize($images[$random_index]['url']);

// a tu je tvoj finalny IMG tag
?>

<img src="<?php echo $images[$random_index]['url'];  ?>" alt="<?php echo $images[$random_index]['alt']; ?>" title="<?php echo $images[$random_index]['title']; ?>" <?php print $attr;  ?> />

title="<?php echo ${"title".$random_index}; ?>"
alt="<?php echo ${"alt".$random_index}; ?>"