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这些 PHP 片段对于 PHP 初学者也非常有帮助，非常容易学习，让我们开始学习吧～
<font size="4">1. 发送 SMS
在开发 Web 或者移动应用的时候，经常会遇到需要发送 SMS 给用户，或者因为登录原因，或者是为了发送信息。下面的 PHP 代码就实现了发送 SMS 的功能。
为了使用任何的语言发送 SMS，需要一个 SMS gateway。大部分的 SMS 会提供一个 API，这里是使用 <a target="_blank" href="http://msg91.com/ ">MSG91 作为 SMS gateway。
//Sender ID,While using route4 sender id should be 6 characters long.
$senderId = "IKOONK";
//Your message to send,Add URL encoding here.
$message = urlencode($msg);
//Define route
$route = "template";
//Prepare you post parameters
$postData = array(
'authkey' => $authKey,'mobiles' => $mobileNumber,'message' => $message,'sender' => $senderId,'route' => $route
);
//API URL
$url="https://control.msg91.com/sendhttp.php";
// init the resource
$ch = curl_init();
curl_setopt_array($ch,array(
CURLOPT_URL => $url,CURLOPT_RETURNTRANSFER => true,CURLOPT_POST => true,CURLOPT_POSTFIELDS => $postData
//,CURLOPT_FOLLOWLOCATION => true
));
//Ignore SSL certificate verification
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,0);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,0);
//get response
$output = curl_exec($ch);
//Print error if any
if(curl_errno($ch))
{
echo 'error:' . curl_error($ch);
}
curl_close($ch);
}
其中“$authKey = "XXXXXXXXXXX";”需要你输入你的密码，“$senderId = "IKOONK";”需要你输入你的 SenderID。当输入移动号码的时候需要指定国家代码 (比如，美国是 1，印度是 91 )。
语法：
2. 使用 mandrill 发送邮件
是一款强大的 SMTP 提供器。开发者倾向于使用一个第三方 SMTP provider 来获取更好的收件交付。
下面的函数中，你需要把 “” 放在同一个文件夹，作为 PHP 文件，这样就可以使用TA来发送邮件。
$message = new stdClass();
$message->html = $message1;
$message->text = $message1;
$message->subject = $subject;
$message->from_email = "blog@koonk.com";//Sender Email
$message->from_name = "KOONK";//Sender Name
$message->to = array(array("email" => $to_email));
$message->track_opens = true;
$response = $mandrill->messages->send($message);
}
$apikey = 'XXXXXXXXXX'; //specify your api key here”这里需要你指定你的 API 密钥（从 Mandrill 账户中获得）。
语法：
为了达到最好的效果，最好按照 Mandrill 的教程去配置 DNS。
<font size="4">3. PHP 函数：阻止 SQL 注入
<a target="_blank" href="https://en.wikipedia.org/wiki/SQL_injection ">SQL 注入或者 SQLi 常见的攻击网站的手段，使用下面的代码可以帮助你防止这些工具。
$val)
{
$output[$key] = clean($val);
// $output[$key] = $this->clean($val);
}
}
else
{
$output = (string) $input;
// if magic quotes is on then use strip slashes
if (get_magic_quotes_gpc())
{
$output = stripslashes($output);
}
// $output = strip_tags($output);
$output = htmlentities($output,ENT_QUOTES,'UTF-8');
}
// return the clean text
return $output;
}
语法：
4. 检测用户位置
使用下面的函数，可以检测用户是在哪个城市访问你的网站
$default = 'UNKNOWN';
$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)';
$url = 'http://ipinfodb.com/ip_locator.php?ip=' . urlencode($ip);
$ch = curl_init();
$curl_opt = array(
CURLOPT_FOLLOWLOCATION => 1,CURLOPT_HEADER => 0,CURLOPT_RETURNTRANSFER => 1,CURLOPT_USERAGENT => $curlopt_useragent,CURLOPT_URL => $url,CURLOPT_TIMEOUT => 1,CURLOPT_REFERER => 'http://' . $_SERVER['HTTP_HOST'],);
curl_setopt_array($ch,$curl_opt);
$content = curl_exec($ch);
if (!is_null($curl_info)) {
$curl_info = curl_getinfo($ch);
}
curl_close($ch);
if ( preg_match('{ City : ([^<])}i',$content,$regs) ) {
$city = $regs[1];
}
if ( preg_match('{State/Province : ([^<])}i',$regs) ) {
$state = $regs[1];
}
if( $city!='' && $state!='' ){
$location = $city . ',' . $state;
return $location;
}else{
return $default;
}
}
语法：
5. 获取 Web 页面的源代码
使用下面的函数，可以获取任意 Web 页面的 HTML 代码
$line) {
// loop thru each line and prepend line numbers
$output.= "Line #{$line_num} : " . htmlspecialchars($line) . "n";
}
}
语法：
6. 计算喜欢你的 Facebook 页面的用户
likes;
return $likes;
}
7. 确定任意图片的主导颜色
> 16) & 0xFF;
$g = ($rgb >> & 0xFF;
$b = $rgb & 0xFF;
$rTotal += $r;
$gTotal += $g;
$bTotal += $b;
$total++;
}
}
$rAverage = round($rTotal/$total);
$gAverage = round($gTotal/$total);
$bAverage = round($bTotal/$total);
}
8. whois 查询
使用下面的函数可以获取任何域名用户的完整细节
// fix the domain name:
$domain = strtolower(trim($domain));
$domain = preg_replace('/^http:///i','',$domain);
$domain = preg_replace('/^www./i',$domain);
$domain = explode('/',$domain);
$domain = trim($domain[0]);
// split the TLD from domain name
$_domain = explode('.',$domain);
$lst = count($_domain)-1;
$ext = $_domain[$lst];
// You find resources and lists
// like these on wikipedia:
//
// http://de.wikipedia.org/wiki/Whois
//
$servers = array(
"biz" => "whois.neulevel.biz","com" => "whois.internic.net","us" => "whois.nic.us","coop" => "whois.nic.coop","info" => "whois.nic.info","name" => "whois.nic.name","net" => "whois.internic.net","gov" => "whois.nic.gov","edu" => "whois.internic.net","mil" => "rs.internic.net","int" => "whois.iana.org","ac" => "whois.nic.ac","ae" => "whois.uaenic.ae","at" => "whois.ripe.net","au" => "whois.aunic.net","be" => "whois.dns.be","bg" => "whois.ripe.net","br" => "whois.registro.br","bz" => "whois.belizenic.bz","ca" => "whois.cira.ca","cc" => "whois.nic.cc","ch" => "whois.nic.ch","cl" => "whois.nic.cl","cn" => "whois.cnnic.net.cn","cz" => "whois.nic.cz","de" => "whois.nic.de","fr" => "whois.nic.fr","hu" => "whois.nic.hu","ie" => "whois.domainregistry.ie","il" => "whois.isoc.org.il","in" => "whois.ncst.ernet.in","ir" => "whois.nic.ir","mc" => "whois.ripe.net","to" => "whois.tonic.to","tv" => "whois.tv","ru" => "whois.ripn.net","org" => "whois.pir.org","aero" => "whois.information.aero","nl" => "whois.domain-registry.nl"
);
if (!isset($servers[$ext])){
die('Error: No matching nic server found!');
}
$nic_server = $servers[$ext];
$output = '';
（编辑：安卓应用网）
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