note 41384 added to ref.mysqli
| From: | phoeniks at rn2 dot php dot net | Date: | Thu, 08 Apr 2004 07:21:18 +0000 |
| Subject: | note 41384 added to ref.mysqli | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-67806@lists.php.net to get a copy of this message | ||
Here is a little sample to do fast hierarchical queries using new prepared statements
// Root - lowest start element
// Top - most top element
// stack - array for storing info
function tree_rise($root, &$stack, $top = 0) {
$mysqli = mysqli_connect('localhost', 'root');
$top = (int)$top;
$stmt = mysqli_prepare($mysqli, "SELECT id, pid, title FROM news.strg WHERE id = ? LIMIT
1");
mysqli_stmt_bind_param($stmt, "i", $root);
mysqli_stmt_execute($stmt);
mysqli_stmt_store_result($stmt);
mysqli_bind_result($stmt, $id, $root, $title);
while (mysqli_fetch($stmt)) {
$stack[$id] = $title;
if ($root != $top && !is_null($root)) {
mysqli_stmt_execute($stmt);
mysqli_stmt_store_result($stmt);
}
}
return count($stack);
}
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Manual Page -- http://www.php.net/manual/en/ref.mysqli.php
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