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1) Whois query using PHP ——利用PHP获取Whois请求

利用这段代码,在特定的域名里可获得whois信息。把域名名称作为参数,并显示所有域名的相关信息。
复制代码 代码如下: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; 

2) Text messaging with PHP using the TextMagic API ——使用TextMagic API 获取PHP Test信息

TextMagic引入强大的核心API,可轻松将SMS发送到手机。该API是需要付费。
复制代码 代码如下:
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 ) 
3) Get info about your memory usage——获取内存使用率

这段代码帮助你获取内存使用率。
复制代码 代码如下:
echo "Initial: ".memory_get_usage()." bytes \n"; 
/* prints
Initial: 361400 bytes
*/ 

// let's use up some memory 
for ($i = 0; $i < 100000; $i++) { 
    $array []= md5($i); 


// let's remove half of the array 
for ($i = 0; $i < 100000; $i++) { 
    unset($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
*/ 
4) Display source code of any webpage——查看任意网页源代码

如果你想查看网页源代码,那么只需更改第二行的URL,源代码就会在网页上显示出。
复制代码 代码如下:<?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"; 

5) Create data uri's——创建数据uri

通过使用此代码,你可以创建数据Uri,这对在HTML/CSS中嵌入图片非常有用,可帮助节省HTTP请求。
复制代码 代码如下:
function data_uri($file, $mime) { 
  $contents=file_get_contents($file); 
  $base64=base64_encode($contents); 
  echo "data:$mime;base64,$base64"; 
}
6) Detect location by IP——通过IP检索出地理位置

这段代码帮助你查找特定的IP,只需在功能参数上输入IP,就可检测出位置。
复制代码 代码如下:
function detect_city($ip) { 

        $default = 'UNKNOWN'; 

        if (!is_string($ip) || strlen($ip) < 1 || $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; } } 
7) Detect browser language——查看浏览器语言

检测浏览器使用的代码脚本语言。
复制代码 代码如下: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; 

8) Check if server is HTTPS——检测服务器是否是HTTPS

复制代码 代码如下:if ($_SERVER['HTTPS'] != "on") {  
    echo "This is not HTTPS"; 
}else{ 
    echo "This is HTTPS"; 

9) Generate CSV file from a PHP array——在PHP数组中生成.csv 文件
复制代码 代码如下: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; 

10.查找Longitudes与Latitudes之间的距离

复制代码 代码如下:function getDistanceBetweenPointsNew($latitude1, $longitude1, $latitude2, $longitude2) { 
    $theta = $longitude1 - $longitude2; 
    $miles = (sin(deg2rad($latitude1)) * sin(deg2rad($latitude2))) + (cos(deg2rad($latitude1)) * cos(deg2rad($latitude2)) * cos(deg2rad($theta))); 
    $miles = acos($miles); 
    $miles = rad2deg($miles); 
    $miles = $miles * 60 * 1.1515; 
    $feet = $miles * 5280; 
    $yards = $feet / 3; 
    $kilometers = $miles * 1.609344; 
    $meters = $kilometers * 1000; 
    return compact('miles','feet','yards','kilometers','meters');  


$point1 = array('lat' => 40.770623, 'long' => -73.964367); 
$point2 = array('lat' => 40.758224, 'long' => -73.917404); 
$distance = getDistanceBetweenPointsNew($point1['lat'], $point1['long'], $point2['lat'], $point2['long']); 
foreach ($distance as $unit => $value) { 
    echo $unit.': '.number_format($value,4).' 
'; 
}

The example returns the following: 
复制代码 代码如下:miles: 2.6025 
feet: 13,741.4350 
yards: 4,580.4783 
kilometers: 4.1884 
meters: 4,188.3894

11.完善cURL功能
复制代码 代码如下:function xcurl($url,$ref=null,$post=array(),$ua="Mozilla/5.0 (X11; Linux x86_64; rv:2.2a1pre) Gecko/20110324 Firefox/4.2a1pre",$print=false) { 
    $ch = curl_init(); 
    curl_setopt($ch, CURLOPT_AUTOREFERER, true); 
    if(!empty($ref)) { 
        curl_setopt($ch, CURLOPT_REFERER, $ref); 
    } 
    curl_setopt($ch, CURLOPT_URL, $url); 
    curl_setopt($ch, CURLOPT_HEADER, 0); 
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
    if(!empty($ua)) { 
        curl_setopt($ch, CURLOPT_USERAGENT, $ua); 
    } 
    if(count($post) > 0){ 
        curl_setopt($ch, CURLOPT_POST, 1); 
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post);     
    } 
    $output = curl_exec($ch); 
    curl_close($ch); 
    if($print) { 
        print($output); 
    } else { 
        return $output; 
    } 
}
12.清理用户输入
复制代码 代码如下:<?php
function cleanInput($input) {

  $search = array(
    '@<script[^>]*?>.*?</script>@si',   // Strip out javascript
    '@<[\/\!]*?[^<>]*?>@si',            // Strip out HTML tags
    '@<style[^>]*?>.*?</style>@siU',    // Strip style tags properly
    '@<![\s\S]*?--[ \t\n\r]*>@'         // Strip multi-line comments
  );

    $output = preg_replace($search, '', $input);
    return $output;
  }
?>
<?php
function sanitize($input) {
    if (is_array($input)) {
        foreach($input as $var=>$val) {
            $output[$var] = sanitize($val);
        }
    }
    else {
        if (get_magic_quotes_gpc()) {
            $input = stripslashes($input);
        }
        $input  = cleanInput($input);
        $output = mysql_real_escape_string($input);
    }
    return $output;
}
?>
13.通过IP(城市、国家)检测地理位置
复制代码 代码如下:function detect_city($ip) { 

        $default = 'Hollywood, CA'; 

        if (!is_string($ip) || strlen($ip) < 1 || $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 $default; } } 
14.设置密码强度
复制代码 代码如下:
function password_strength($string){
    $h    = 0;
    $size = strlen($string);
    foreach(count_chars($string, 1) as $v){
        $p = $v / $size;
        $h -= $p * log($p) / log(2);
    }
    $strength = ($h / 4) * 100;
    if($strength > 100){
        $strength = 100;
    }
    return $strength;
}

var_dump(password_strength("Correct Horse Battery Staple"));
echo "<br>";
var_dump(password_strength("Super Monkey Ball"));
echo "<br>";
var_dump(password_strength("Tr0ub4dor&3"));
echo "<br>";
var_dump(password_strength("abc123"));
echo "<br>";
var_dump(password_strength("sweet"));
15.检测浏览器语言,只提供可用的$availableLanguages作为数组(‘en', ‘de', ‘es')
复制代码 代码如下:function get_client_language($availableLanguages, $default='en'){ 

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

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

        //start going through each one 
        foreach ($langs as $value){ 

            $choice=substr($value,0,2); 
            if(in_array($choice, $availableLanguages)){ 
                return $choice; 

            } 

        } 
    }  
    return $default; 
}

16.创建数据URL
复制代码 代码如下:function data_uri($file, $mime) { 
  $contents=file_get_contents($file); 
  $base64=base64_encode($contents); 
  echo "data:$mime;base64,$base64"; 
}
17.创建更加友好的页面标题SEO URL

输入示例:$title = “This foo's bar is rockin' cool!”; echo makeseoname($title); //RETURNS: //this-foos-bar-is-rockin-cool
复制代码 代码如下:function make_seo_name($title) { 
    return preg_replace('/[^a-z0-9_-]/i', '', strtolower(str_replace(' ', '-', trim($title)))); 
}
18.终极加密功能
复制代码 代码如下:// f(ucking) u(ncrackable) e(ncryption) function by BlackHatDBL (www.netforme.net) 
function fue($hash,$times) { 
    // Execute the encryption(s) as many times as the user wants 
    for($i=$times;$i>0;$i--) { 
        // Encode with base64... 
        $hash=base64_encode($hash); 
        // and md5... 
        $hash=md5($hash); 
        // sha1... 
        $hash=sha1($hash); 
        // sha256... (one more) 
        $hash=hash("sha256", $hash); 
        // sha512 
        $hash=hash("sha512", $hash); 

    } 
    // Finaly, when done, return the value 
    return $hash; 
}
19a.Tweeter Feed Runner——使用任意twitter名,可在任意页面上加载用户资源。
复制代码 代码如下: 
    public function loadTimeline($user, $max = 20){  
        $this->twitURL .= 'statuses/user_timeline.xml?screen_name='.$user.'&count='.$max;  
        $ch        = curl_init();  
        curl_setopt($ch, CURLOPT_URL, $this->twitURL);  
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
        $this->xml = curl_exec($ch);  
        return $this;  
    }  
    public function getTweets(){  
        $this->twitterArr = $this->getTimelineArray();  
        $tweets = array();  
        foreach($this->twitterArr->status as $status){  
            $tweets[$status->created_at->__toString()] = $status->text->__toString();  
        }  
        return $tweets;  
    }  
    public function getTimelineArray(){  
        return simplexml_load_string($this->xml);  
    }  
    public function formatTweet($tweet){  
        $tweet = preg_replace("/(http(.+?))( |$)/","$1$3", $tweet);  
        $tweet = preg_replace("/#(.+?)(\h|\W|$)/", "#$1$2", $tweet);  
        $tweet = preg_replace("/@(.+?)(\h|\W|$)/", "@$1$2", $tweet);  
        return $tweet;  
    }  

19b. Tweeter Feed Runner——用于在主题中创建文件,比如:example.php
复制代码 代码如下:
loadTimeline("phpsnips")->getTweets();  
foreach($feed as $time => $message){  
    echo "<div class='tweet'>".$twitter->formatTweet($message)."<br />At: ".$time."</div>";  

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