YGGo! Distributed Web Search Engine
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<?php
class SphinxQL {
private $_sphinx;
public function __construct(string $host, int $port) {
$this->_sphinx = new PDO('mysql:host=' . $host . ';port=' . $port . ';charset=utf8', false, false, [PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8']);
$this->_sphinx->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$this->_sphinx->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
}
public function searchHostPages(string $keyword, string $mime, int $start, int $limit, int $maxMatches) {
$query = $this->_sphinx->prepare('SELECT *, WEIGHT() AS `weight`
FROM `hostPage`
WHERE MATCH(?) AND `mime` = ?
ORDER BY `rank` DESC, WEIGHT() DESC
LIMIT ' . (int) ($start >= $maxMatches ? ($maxMatches > 0 ? $maxMatches - 1 : 0) : $start) . ',' . (int) $limit . '
OPTION `max_matches`=' . (int) ($maxMatches >= 1 ? $maxMatches : 1));
$query->execute([$keyword, $mime]);
return $query->fetchAll();
}
public function getHostPagesTotal() {
$query = $this->_sphinx->prepare('SELECT COUNT(*) AS `total` FROM `hostPage`');
$query->execute();
return $query->fetch()->total;
}
public function getHostPagesMime() {
$query = $this->_sphinx->prepare('SELECT `mime` FROM `hostPage` GROUP BY `mime` ORDER BY `mime` ASC');
$query->execute();
return $query->fetchAll();
}
public function searchHostPagesTotalByMime(string $keyword, string $mime) {
$query = $this->_sphinx->prepare('SELECT COUNT(*) AS `total` FROM `hostPage` WHERE MATCH(?) AND `mime` = ?');
$query->execute([$keyword, $mime]);
return $query->fetch()->total;
}
public function searchHostPagesMime(string $keyword) {
$query = $this->_sphinx->prepare('SELECT `mime` FROM `hostPage` WHERE MATCH(?) GROUP BY `mime` ORDER BY `mime` ASC');
$query->execute([$keyword]);
return $query->fetchAll();
}
public function searchHostPagesTotal(string $keyword, string $mime) {
$query = $this->_sphinx->prepare('SELECT COUNT(*) AS `total` FROM `hostPage` WHERE MATCH(?) AND `mime` = ?');
$query->execute([$keyword, $mime]);
return $query->fetch()->total;
}
}