直接拿来用 九个超实用的PHP代码片段（二）

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SauceNAO

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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:

    //

    // <a href="http://de.wikipedia.org/wiki/Whois">http://de.wikipedia.org/wiki/Whois</a>

    //

    $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;

}

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the TextMagic PHP lib

require('textmagic-sms-api-php/TextMagicAPI.php');

// Set the username and password information

$username = 'myusername';

$password = 'mypassword';

// Create a new instance of TM

$router = new TextMagicAPI(array(

    'username' => $username,

    'password' => $password

));

// Send a text message to '999-123-4567'

$result = $router->send('Wake up!', array(9991234567), true);

// result:  Result is: Array ( [messages] => Array ( [19896128] => 9991234567 ) [sent_text] => Wake up! [parts_count] => 1 )

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echo "Initial: ".memory_get_usage()." bytes \n";

/* prints

Initial: 361400 bytes

*/

// let's use up some memory

for ($i = 0; $i <code>$i++) {

    $array []= md5($i);

}

// let's remove half of the array

for ($i = 0; $i <code>$i++) {

    unset($array[$i]);

}

echo "Final: ".memory_get_usage()." bytes \n";

/* prints

Final: 885912 bytes

*/

echo "Peak: ".memory_get_peak_usage()." bytes \n";

/* prints

Peak: 13687072 bytes

*/

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立即学习“PHP免费学习笔记（深入）”；

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<?php // display source code $lines = file('http://google.com/'); foreach ($lines as $line_num => $line) {

    // loop thru each line and prepend line numbers

    echo "Line #{$line_num} : " . htmlspecialchars($line) . "

\n";

}

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function data_uri($file, $mime) {

  $contents=file_get_contents($file);

  $base64=base64_encode($contents);

  echo "data:$mime;base64,$base64";

}

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立即学习“PHP免费学习笔记（深入）”；

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function detect_city($ip) {

        $default = 'UNKNOWN';

        if (!is_string($ip) || strlen($ip) <code>$ip == '127.0.0.1' || $ip == 'localhost')             $ip = '8.8.8.8';         $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’, $content, $regs) ) { $state = $regs[1]; } if( $city!=” && $state!=” ){ $location = $city . ‘, ‘ . $state; return $location; }else{ return $default; } }

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立即学习“PHP免费学习笔记（深入）”；

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function get_client_language($availableLanguages, $default='en'){

    if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {

        $langs=explode(',',$_SERVER['HTTP_ACCEPT_LANGUAGE']);

        foreach ($langs as $value){

            $choice=substr($value,0,2);

            if(in_array($choice, $availableLanguages)){

                return $choice;

            }

        }

    }

    return $default;

}

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if ($_SERVER['HTTPS'] != "on") {

    echo "This is not HTTPS";

}else{

    echo "This is HTTPS";

}

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function generateCsv($data, $delimiter = ',', $enclosure = '"') {

   $handle = fopen('php://temp', 'r+');

   foreach ($data as $line) {

           fputcsv($handle, $line, $delimiter, $enclosure);

   }

   rewind($handle);

   while (!feof($handle)) {

           $contents .= fread($handle, 8192);

   }

   fclose($handle);

   return $contents;

}