function do_history($chars, $max = 20)
{
require_once 'lib/php-file-cache/fcache.inc.php';
$fcache = new FCache();
$history = $fcache->get('hash_history');
if (!$history) {
$history = array();
}
if (array_key_exists($chars, $history)) {
return array_keys($history);
}
if (count($history) > $max) {
$key_del = array_rand($history, 1);
unset($history[$key_del]);
}
$history[$chars] = '';
$fcache->add('hash_history', $history);
return array_keys($history);
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
// 模拟用户使用的浏览器
// 3. 执行并获取 HTML 文档内容
$output = curl_exec($ch);
if ($output === FALSE) {
echo "cURL Error: " . curl_error($ch);
}
$sug1 = json_decode($output);
// 4. 释放 curl 句柄
curl_close($ch);
$sug = @$sug1[1][0];
if (strlen($sug) > 0) {
echo $sug . '_';
$cache->add(urlencode($query), $sug);
}
}
// 引号转换为 HTML 实体的查询词作为副标题
echo htmlspecialchars($z, ENT_QUOTES) . '_';
}
// 标题后缀，品牌名
echo $pt . '</title>
';
// 下拉框提示词第 1 位，查询词作为 meta keywords
echo '<meta content="';
if (strlen($s) > 0) {
if (strlen($cache->get(urlencode($query))) > 0) {
echo $cache->get(urlencode($query)) . ',';
} elseif (strlen($sug) > 0) {
echo $sug . ',';
<?php
require_once 'fcache.inc.php';
//example
$cache = new FCache();
$storeData = array('time' => time(), 'str' => 'test', 'int' => 1321);
$cache->add('select * from table;', $storeData);
$cache->add('select * from table;', $storeData);
$cache->add('select * from table;', $storeData);
$cache->add('select * from table;', $storeData);
print_r($storeData = $cache->get('select * from table;'));
$cache->delete('select * from table;');
print_r($cache->get('select * from table;') ? 'exist' : 'has no cache');
$cache->add('select * from table1;', 123);
$cache->add('select * from table2;', 234);
$cache->add('select * from table3;', 345);
$cache->flush();
print_r($cache->get('select * from table3;') ? 'exist' : 'has no cache');
