PHP code example of pangongzi / ip
1. Go to this page and download the library: Download pangongzi/ip library . Choose the download type require .
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
pangongzi / ip example snippets
$dbFile = "ip2region.xdb file path";
try {
$searcher = XdbSearcher::newWithFileOnly($dbFile);
} catch (Exception $e) {
printf("failed to create searcher with '%s': %s\n", $dbFile, $e);
return;
}
$ip = '1.2.3.4';
$sTime = XdbSearcher::now();
$region = $searcher->search($ip);
if ($region === null) {
// something is wrong
printf("failed search(%s)\n", $ip);
return;
}
printf("{region: %s, took: %.5f ms}\n", $region, XdbSearcher::now() - $sTime);
// 备注:并发使用,每个线程或者协程需要创建一个独立的 searcher 对象。
// 1、从 dbPath 加载 VectorIndex 缓存,把下述的 vIndex 变量缓存到内存里面。
$vIndex = XdbSearcher::loadVectorIndexFromFile($dbPath);
if ($vIndex === null) {
printf("failed to load vector index from '%s'\n", $dbPath);
return;
}
// 2、使用全局的 vIndex 创建带 VectorIndex 缓存的查询对象。
try {
$searcher = XdbSearcher::newWithVectorIndex($dbFile, $vIndex);
} catch (Exception $e) {
printf("failed to create vectorIndex cached searcher with '%s': %s\n", $dbFile, $e);
return;
}
// 3、查询
$sTime = XdbSearcher::now();
$region = $searcher->search('1.2.3.4');
if ($region === null) {
printf("failed search(1.2.3.4)\n");
return;
}
printf("{region: %s, took: %.5f ms}\n", $region, XdbSearcher::now() - $sTime);
// 备注:并发使用,每个线程或者协程需要创建一个独立的 searcher 对象,但是都共享统一的只读 vectorIndex。
// 1、从 dbPath 加载整个 xdb 到内存。
$cBuff = XdbSearcher::loadContentFromFile($dbPath);
if ($cBuff === null) {
printf("failed to load content buffer from '%s'\n", $dbPath);
return;
}
// 2、使用全局的 cBuff 创建带完全基于内存的查询对象。
try {
$searcher = XdbSearcher::newWithBuffer($cBuff);
} catch (Exception $e) {
printf("failed to create buffer cached searcher: %s\n", $dbFile, $e);
return;
}
// 3、查询
$sTime = XdbSearcher::now();
$region = $searcher->search('1.2.3.4');
if ($region === null) {
printf("failed search(1.2.3.4)\n");
return;
}
printf("{region: %s, took: %.5f ms}\n", $region, XdbSearcher::now() - $sTime);
// 备注:并发使用,用整个 xdb 缓存创建的 searcher 对象可以安全用于并发。