42868d70
 andryeyev
Создал GIT
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<?php
$table="categories"; // òàáëèöà êàòåãîðèé
$id_name="cid"; // èìÿ ïîëÿ ïåðâè÷íîãî êëþ÷à
$field_names = array( // èìåíà ïîëåé òàáëèöû
'left' => 'cleft',
'right'=> 'cright',
'level'=> 'clevel',
);
require_once "database.php";
require_once "dbtree.php";
function microtime_float()
{
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
$dbh=new CDataBase("extrem", "localhost", "extrem", "9gvs7AbI");
$dbh->query("set names cp1251");
$Tree = new CDBTree($dbh, $table, $id_name, $field_names);
$ID = (isset($_GET['ID'])) ? $_GET['ID'] : 1;
$time_start = microtime_float();
if(!(list($leftId, $rightId, $level) = $Tree->getNodeInfo($ID))){}
// $sql = "select a.* from $table a left join $table b on (b.cleft<=$leftId and b.cright >=$rightId and b.clevel=a.clevel-1) where (a.cleft>=b.cleft and a.cright <=b.cright) order by a.cleft asc";
$sql = "select a.* from $table a order by a.cleft asc";
$res = $dbh->query($sql);
while ($row = $dbh->fetch_array($res)){
echo str_repeat(" ", 6*$row['clevel']);
switch($row['clevel']){
case 0 :$size = 10; break;
case 1 :$size = 6; break;
case 2 :$size = 4; break;
default : $size = 2; break;
}
echo "<a href='?ID=".$row['cid']."'><font size='".$size."'>";
echo $row['title'];
echo "</font></a><br />";
}
$time_end = microtime_float();
$time = $time_end - $time_start;
echo "Âðåìÿ âûâîäà: $time ñåê.\n";
?>
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