十个超级有用的PHP代码片段
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Freigeben: 2016-06-21 08:51:07
Original
1066 Leute haben es durchsucht
1. 发送短信
调用 TextMagic API。
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// Include the TextMagic PHP lib
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require('textmagic-sms-api-php/TextMagicAPI.php');
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// Set the username and password information
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$username = 'myusername';
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$password = 'mypassword';
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// Create a new instance of TM
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$router = new TextMagicAPI(array(
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'username' => $username,
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'password' => $password
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));
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// Send a text message to '999-123-4567'
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$result = $router->send('Wake up!', array(9991234567), true);
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// result: Result is: Array ( [messages] => Array ( [19896128] => 9991234567 ) [sent_text] => Wake up! [parts_count] => 1 )
2. 根据IP查找地址
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function detect_city($ip) {
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$default = 'UNKNOWN';
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if (!is_string($ip) strlen($ip)
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$ip = '8.8.8.8';
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$curlopt_useragent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 (.NET CLR 3.5.30729)';
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$url = 'http://ipinfodb.com/ip_locator.php?ip=' . urlencode($ip);
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$ch = curl_init();
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$curl_opt = array(
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CURLOPT_FOLLOWLOCATION => 1,
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CURLOPT_HEADER => 0,
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CURLOPT_RETURNTRANSFER => 1,
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CURLOPT_USERAGENT => $curlopt_useragent,
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CURLOPT_URL => $url,
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CURLOPT_TIMEOUT => 1,
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CURLOPT_REFERER => 'http://' . $_SERVER['HTTP_HOST'],
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);
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curl_setopt_array($ch, $curl_opt);
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$content = curl_exec($ch);
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if (!is_null($curl_info)) {
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$curl_info = curl_getinfo($ch);
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}
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curl_close($ch);
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if ( preg_match('{
- City : ([^}i', $content, $regs) ) {
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$city = $regs[1];
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}
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if ( preg_match('{
- State/Province : ([^}i', $content, $regs) ) {
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$state = $regs[1];
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}
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if( $city!='' && $state!='' ){
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$location = $city . ', ' . $state;
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return $location;
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}else{
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return $default;
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}
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}
3. 显示网页的源代码
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<?php // display source code
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$lines = file('http://google.com/');
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foreach ($lines as $line_num => $line) {
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// loop thru each line and prepend line numbers
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echo "Line #{$line_num} : " . htmlspecialchars($line) . "
\n";
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}
4. 检查服务器是否使用HTTPS
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if ($_SERVER['HTTPS'] != "on") {
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echo "This is not HTTPS";
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}else{
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echo "This is HTTPS";
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}
5. 显示Facebook粉丝数量
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function fb_fan_count($facebook_name){
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// Example: https://graph.facebook.com/digimantra
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$data = json_decode(file_get_contents("https://graph.facebook.com/".$facebook_name));
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echo $data->likes;
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}
6. 检测图片的主要颜色
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$i = imagecreatefromjpeg("image.jpg");
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for ($x=0;$x
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for ($y=0;$y
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$rgb = imagecolorat($i,$x,$y);
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$r = ($rgb >> 16) & 0xFF;
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$g = ($rgb >> & 0xFF;
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$b = $rgb & 0xFF;
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$rTotal += $r;
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$gTotal += $g;
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$bTotal += $b;
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$total++;
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}
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}
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$rAverage = round($rTotal/$total);
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$gAverage = round($gTotal/$total);
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$bAverage = round($bTotal/$total);
7. 获取内存使用信息
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echo "Initial: ".memory_get_usage()." bytes \n";
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/* prints
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Initial: 361400 bytes
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*/
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// let's use up some memory
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for ($i = 0; $i
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$array []= md5($i);
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}
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// let's remove half of the array
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for ($i = 0; $i
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unset($array[$i]);
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}
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echo "Final: ".memory_get_usage()." bytes \n";
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/* prints
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Final: 885912 bytes
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*/
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echo "Peak: ".memory_get_peak_usage()." bytes \n";
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/* prints
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Peak: 13687072 bytes
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*/
8. 使用 gzcompress() 压缩数据
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$string =
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"Lorem ipsum dolor sit amet, consectetur
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adipiscing elit. Nunc ut elit id mi ultricies
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adipiscing. Nulla facilisi. Praesent pulvinar,
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sapien vel feugiat vestibulum, nulla dui pretium orci,
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non ultricies elit lacus quis ante. Lorem ipsum dolor
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sit amet, consectetur adipiscing elit. Aliquam
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pretium ullamcorper urna quis iaculis. Etiam ac massa
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sed turpis tempor luctus. Curabitur sed nibh eu elit
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mollis congue. Praesent ipsum diam, consectetur vitae
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ornare a, aliquam a nunc. In id magna pellentesque
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tellus posuere adipiscing. Sed non mi metus, at lacinia
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augue. Sed magna nisi, ornare in mollis in, mollis
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sed nunc. Etiam at justo in leo congue mollis.
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Nullam in neque eget metus hendrerit scelerisque
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eu non enim. Ut malesuada lacus eu nulla bibendum
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id euismod urna sodales. ";
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$compressed = gzcompress($string);
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echo "Original size: ". strlen($string)."\n";
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/* prints
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Original size: 800
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*/
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echo "Compressed size: ". strlen($compressed)."\n";
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/* prints
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Compressed size: 418
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*/
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// getting it back
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$original = gzuncompress($compressed);
9. 使用PHP做Whois检查
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function whois_query($domain) {
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// fix the domain name:
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$domain = strtolower(trim($domain));
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$domain = preg_replace('/^http:\/\//i', '', $domain);
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$domain = preg_replace('/^www\./i', '', $domain);
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$domain = explode('/', $domain);
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$domain = trim($domain[0]);
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// split the TLD from domain name
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$_domain = explode('.', $domain);
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$lst = count($_domain)-1;
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$ext = $_domain[$lst];
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// You find resources and lists
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// like these on wikipedia:
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//
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// http://de.wikipedia.org/wiki/Whois
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//
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$servers = array(
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"biz" => "whois.neulevel.biz",
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"com" => "whois.internic.net",
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"us" => "whois.nic.us",
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"coop" => "whois.nic.coop",
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"info" => "whois.nic.info",
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"name" => "whois.nic.name",
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"net" => "whois.internic.net",
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"gov" => "whois.nic.gov",
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"edu" => "whois.internic.net",
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"mil" => "rs.internic.net",
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"int" => "whois.iana.org",
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"ac" => "whois.nic.ac",
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"ae" => "whois.uaenic.ae",
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"at" => "whois.ripe.net",
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"au" => "whois.aunic.net",
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"be" => "whois.dns.be",
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"bg" => "whois.ripe.net",
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"br" => "whois.registro.br",
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"bz" => "whois.belizenic.bz",
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"ca" => "whois.cira.ca",
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"cc" => "whois.nic.cc",
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"ch" => "whois.nic.ch",
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"cl" => "whois.nic.cl",
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"cn" => "whois.cnnic.net.cn",
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"cz" => "whois.nic.cz",
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"de" => "whois.nic.de",
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"fr" => "whois.nic.fr",
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"hu" => "whois.nic.hu",
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"ie" => "whois.domainregistry.ie",
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"il" => "whois.isoc.org.il",
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"in" => "whois.ncst.ernet.in",
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"ir" => "whois.nic.ir",
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"mc" => "whois.ripe.net",
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"to" => "whois.tonic.to",
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"tv" => "whois.tv",
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"ru" => "whois.ripn.net",
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"org" => "whois.pir.org",
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"aero" => "whois.information.aero",
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"nl" => "whois.domain-registry.nl"
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);
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if (!isset($servers[$ext])){
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die('Error: No matching nic server found!');
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}
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$nic_server = $servers[$ext];
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$output = '';
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// connect to whois server:
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if ($conn = fsockopen ($nic_server, 43)) {
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fputs($conn, $domain."\r\n");
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while(!feof($conn)) {
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$output .= fgets($conn,128);
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}
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fclose($conn);
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}
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else { die('Error: Could not connect to ' . $nic_server . '!'); }
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return $output;
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}
10. 通过Email发送PHP错误
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<?php
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// Our custom error handler
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function nettuts_error_handler($number, $message, $file, $line, $vars){
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$email = "
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An error ($number) occurred on line
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$line and in the file: $file.
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$message
";
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$email .= "
" . print_r($vars, 1) . "
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";
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$headers = 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
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// Email the error to someone...
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error_log($email, 1, 'you@youremail.com', $headers);
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// Make sure that you decide how to respond to errors (on the user's side)
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// Either echo an error message, or kill the entire project. Up to you...
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// The code below ensures that we only "die" if the error was more than
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// just a NOTICE.
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if ( ($number !== E_NOTICE) && ($number
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die("There was an error. Please try again later.");
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}
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}
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// We should use our custom function to handle errors.
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set_error_handler('nettuts_error_handler');
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// Trigger an error... (var doesn't exist)
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echo $somevarthatdoesnotexist;
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