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<?php
class config {
public static function get(string $key) {
$db = getDb();
$q = $db->query("SELECT value FROM config WHERE name=?", $key);
if (!$db->numRows($q))
return null;
return $db->result($q);
}
public static function mget($keys) {
$map = [];
foreach ($keys as $key) {
$map[$key] = null;
}
$db = getDb();
$keys = array_map(fn($s) => $db->escape($s), $keys);
$q = $db->query("SELECT * FROM config WHERE name IN('".implode("','", $keys)."')");
while ($row = $db->fetch($q))
$map[$row['name']] = $row['value'];
return $map;
}
public static function set($key, $value) {
$db = getDb();
return $db->query("REPLACE INTO config (name, value) VALUES (?, ?)", $key, $value);
}
public static function mset($map) {
$rows = [];
foreach ($map as $name => $value) {
$rows[] = [
'name' => $name,
'value' => $value
];
}
$db = getDb();
return $db->multipleReplace('config', $rows);
}
}
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