function seo($contents){
$inurl = array(
"'(?<!/)index.php\?mod=([a-zA-Z]*)&(amp;)?page=([0-9]*)'",
"'(?<!/)index.php\?mod=([a-zA-Z]*)'"
);
$outurl = array(
"/\\1/\\3",
"/\\1/"
);
return preg_replace($inurl,$outurl,$contents);
}

Категория 1   Категория 2   Категория 3   Категория 4

<?php
function category($cols,$res){
$width = 100/$cols;
$row = mysql_num_rows($res);
$table .= "<table cellpadding=\"2\" cellspacing=\"0\" width=\"100%\">";
for ($i=0;$i<$row;$i+=$cols){
$table .= '<tr>';
for ($e=0;$e<$cols;$e++){
$id = $i + $e;
$table .= "<td height=\"10\" width=\"".$width."%\">";
if($id<$row){
$table .= mysql_result($res,$id,"name");
}
else{
$table .="";
}
$table .= "</td>";
}
$table .= "</tr>";
}
$table .= "</table>";
return $table;
}
?>

<?php
$res = mysql_query("SELECT * FROM таблица_категорий ORDER BY name");
$cols = 4;
echo category($cols,$res);
?>

//массив с именами файлов
$array = array("14167164.jpg","17459082.jpg","18505264.jpg");
for($e = 0; $e < count($array); $e++){
   $image[$e+1] = "/uploads/news/images/$array[$e]";
   }
$text = "[IMAGE1][IMAGE2][IMAGE3]";
$pattern = "#\[IMAGE([0-9]*)\]#es";
$text = preg_replace($pattern, "<img src=\"[b]$image[1][/b]\" border=\"0\">", $text);
echo $text;

function get_img($id){
global $image;
$img = $image[$id];
return "<img src=\"$img\" border=\"0\">";
}

$array = array("14167164.jpg","17459082.jpg","18505264.jpg");
   
for($e = 0; $e < count($array); $e++){  
$image[$e+1] = "/uploads/news/images/$array[$e]";  
}

$text = "[IMAGE1][IMAGE2][IMAGE3]";
$pattern = "#\[IMAGE([0-9]*)\]#es";
$text = preg_replace($pattern, "get_img('\\1')", $text);
echo $text;