function getCategorys () {
global $mysql, $cfg_cache_category;
$cache = SYSPATH . "/data/cache/categorys.php";
if (!file_exists($cache) || (time() - filemtime($cache)) > $cfg_cache_category) {
$categorys = array();
$arrays = $mysql->getArrays("SELECT id, fid, name, url FROM my_category");
if (!empty($arrays)) {
foreach ($arrays as $v) {
$categorys[$v['id']] = $v;
}
unset($arrays);
unset($v);
}
$fp = fopen($cache, 'w');
if ($fp) {
fwrite($fp, serialize($categorys));
fclose($fp);
} else {
httpError(500, "写入栏目缓存文件失败");
}
unset($categorys);
}
$fp = fopen($cache, 'r');
if ($fp) {
$array = unserialize(fread($fp, filesize($cache)));
return $array;
unset($array);
} else {
httpError(500, "读取栏目缓存文件失败");
}
}
以上就是MyNews 调用栏目信息（缓存方式）的内容，更多相关内容请关注PHP中文网（www.php.cn）！
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