PHP實作發送 SMS 的功能程式碼

在開發 Web 或行動應用程式的時候，常常會遇到需要傳送 SMS 給用戶，或是因為登入原因，或是為了傳送訊息。下面的 PHP 程式碼就實作了發送 SMS 的功能。
為了使用任何的語言發送 SMS，需要一個 SMS gateway。大部分的 SMS 會提供一個 API，這裡是使用 MSG91 作為 SMS gateway。

function send_sms($mobile,$msg)
{$authKey = "XXXXXXXXXXX";
date_default_timezone_set("Asia/Kolkata");$date = strftime("%Y-%m-%d %H:%M:%S");//Multiple mobiles numbers separated by comma$mobileNumber = $mobile; 
//Sender ID,While using route4 sender id should be 6 characters long.$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 verificationcurl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); 
 
//get response$output = curl_exec($ch);//Print error if anyif(curl_errno($ch))
{    echo 'error:' . curl_error($ch);
}
 
curl_close($ch);
}

其中「$authKey = "XXXXXXXXXXX";」需要你輸入你的密碼，「$senderId = "IKOONK";」需要你輸入你的 SenderID。當輸入行動號碼的時候需要指定國家代碼 (例如，美國是 1，印度是 91 )。
語法：

<?php$message = "Hello World";$mobile = "918112998787";
send_sms($mobile,$message);?>

2. 使用 mandrill 發送郵件
Mandrill 是一款強大的 SMTP 提供器。開發者傾向於使用一個第三方 SMTP provider 來取得更好的收件交付。
下面的函數中，你需要把 “Mandrill.php” 放在同一個資料夾，作為 PHP 文件，這樣就可以使用TA來傳送郵件。

function send_email($to_email,$subject,$message1)
{require_once 'Mandrill.php';$apikey = 'XXXXXXXXXX'; //specify your api key here$mandrill = new Mandrill($apikey); 
$message = new stdClass();$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）。

語法：

<?php$to = "abc@example.com";$subject = "This is a test email";$message = "Hello World!";
send_email($to,$subject,$message);?>

為了達到最好的效果，最好按照 Mandrill 的教學去設定 DNS。
3. PHP 函數：阻止 SQL 注入
SQL 注入或 SQLi 常見的攻擊網站的手段，使用下面的程式碼可以幫助你防止這些注入。

function clean($input)
{    if (is_array($input))
    {        foreach ($input as $key => $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;

}
語法：

<?php$text = "<script>alert(1)</script>";$text = clean($text);echo $text;?>

#4. 偵測使用者位置
使用下面的函數，可以偵測使用者是在哪個城市訪問你的網站。

function detect_city($ip) {        
        $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(&#39;{<li>City : ([^<]*)</li>}i&#39;, $content, $regs) )  {            $city = $regs[1];
        }        if ( preg_match(&#39;{<li>State/Province : ([^<]*)</li>}i&#39;, $content, $regs) )  {            $state = $regs[1];
        } 
        if( $city!=&#39;&#39; && $state!=&#39;&#39; ){          $location = $city . &#39;, &#39; . $state;          return $location;
        }else{          return $default; 
        }
        
    }

語法：

<?php$ip = $_SERVER[&#39;REMOTE_ADDR&#39;];$city = detect_city($ip);echo $city;?>

5. 取得 Web 頁面的原始碼
使用下面的函數，可以取得任意 Web 頁面的 HTML 程式碼。

function display_sourcecode($url)
{$lines = file($url);$output = "";foreach ($lines as $line_num => $line) { 
    // loop thru each line and prepend line numbers
    $output.= "Line #<b>{$line_num}</b> : " . htmlspecialchars($line) . "<br>\n";
}
}
语法：
<?php$url = "http://blog.koonk.com";$source = display_sourcecode($url);echo $source;?>

6. 計算喜歡你的Facebook 頁面的使用者

function fb_fan_count($facebook_name)
{    $data = json_decode(file_get_contents("https://graph.facebook.com/".$facebook_name));    $likes = $data->likes;    return $likes;
}

語法：

<?php$page = "koonktechnologies";$count = fb_fan_count($page);echo $count;?>

##7. 決定任意圖片的主導色彩

function dominant_color($image)
{$i = imagecreatefromjpeg($image);for ($x=0;$x<imagesx($i);$x++) {    for ($y=0;$y<imagesy($i);$y++) {        $rgb = imagecolorat($i,$x,$y);        $r   = ($rgb >> 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 查詢

使用下面的函數可以取得任何網域使用者的完整細節。

function whois_query($domain) { 
    // 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]; 
    $output = ''; 
    // connect to whois server:
    if ($conn = fsockopen ($nic_server, 43)) {        fputs($conn, $domain."\r\n");        while(!feof($conn)) {            $output .= fgets($conn,128);
        }        fclose($conn);
    }    else { die('Error: Could not connect to ' . $nic_server . '!'); } 
    return $output;
}

語法：

<?php$domain = "http://www.blog.koonk.com";$result = whois_query($domain);print_r($result);?>

9. 驗證信箱位址
有時候，當網站填寫表單，使用者可能會輸入錯誤的信箱位址，這個函數可以驗證郵件地址是否有效。

function is_validemail($email)
{$check = 0;if(filter_var($email,FILTER_VALIDATE_EMAIL))
{$check = 1;
}return $check;
}

語法：

<?php$email = "blog@koonk.com";$check = is_validemail($email);echo $check;// If the output is 1, then email is valid.?>

10. 取得使用者的真實  IP

function getRealIpAddr()  
{  
    if (!emptyempty($_SERVER['HTTP_CLIENT_IP']))  
    {  
        $ip=$_SERVER['HTTP_CLIENT_IP'];  
    }  
    elseif (!emptyempty($_SERVER['HTTP_X_FORWARDED_FOR']))  
    //to check ip is pass from proxy      {  
        $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];  
    }  
    else  
    {  
        $ip=$_SERVER['REMOTE_ADDR'];  
    }  
    return $ip;  
}

語法：

<?php$ip = getRealIpAddr();echo $ip;?>

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