必须收藏的23个php实用代码片段

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);}

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

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);}

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

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;}

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

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

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

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) . "/n";}}

<?php$url = "http://blog.koonk.com";$source = display_sourcecode($url);echo $source;?>

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

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

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);}

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;}

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

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

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

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; }

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

function makeClickableLinks($text){  $text = eregi_replace('(((f|ht){1}tp://)[-a-zA-Z0-9@:%_+.~#?&//=]+)',  '<a href="/1">/1</a>', $text);  $text = eregi_replace('([[:space:]()[{}])(www.[-a-zA-Z0-9@:%_+.~#?&//=]+)',  '/1<a href="http:///2">/2</a>', $text);  $text = eregi_replace('([_.0-9a-z-]+@([0-9a-z][0-9a-z-]+.)+[a-z]{2,3})',  '<a href="mailto:/1">/1</a>', $text);      return $text; }   

<?php$text = "This is my first post on http://blog.koonk.com";$text = makeClickableLinks($text);echo $text;?>

if ( !file_exists('blocked_ips.txt') ) { $deny_ips = array( '127.0.0.1', '192.168.1.1', '83.76.27.9', '192.168.1.163' );} else { $deny_ips = file('blocked_ips.txt');}// read user ip adress:$ip = isset($_SERVER['REMOTE_ADDR']) ? trim($_SERVER['REMOTE_ADDR']) : '';    // search current IP in $deny_ips arrayif ( (array_search($ip, $deny_ips))!== FALSE ) { // address is blocked: echo 'Your IP adress ('.$ip.') was blocked!'; exit;}

function force_download($file){  $dir   = "../log/exports/";  if ((isset($file))&&(file_exists($dir.$file))) {    header("Content-type: application/force-download");    header('Content-Disposition: inline; filename="' . $dir.$file . '"');    header("Content-Transfer-Encoding: Binary");    header("Content-length: ".filesize($dir.$file));    header('Content-Type: application/octet-stream');    header('Content-Disposition: attachment; filename="' . $file . '"');    readfile("$dir$file");  } else {    echo "No file selected";  }}

<phpforce_download("image.jpg");?>

$json_data = array ('id'=>1,'name'=>"Mohit");echo json_encode($json_data);

function create_zip($files = array(),$destination = '',$overwrite = false) {   //if the zip file already exists and overwrite is false, return false   if(file_exists($destination) && !$overwrite) { return false; }   //vars   $valid_files = array();   //if files were passed in...   if(is_array($files)) {     //cycle through each file     foreach($files as $file) {       //make sure the file exists       if(file_exists($file)) {         $valid_files[] = $file;       }     }   }   //if we have good files...   if(count($valid_files)) {     //create the archive     $zip = new ZipArchive();     if($zip->open($destination,$overwrite ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE::CREATE) !== true) {       return false;     }     //add the files     foreach($valid_files as $file) {       $zip->addFile($file,$file);     }     //debug     //echo 'The zip archive contains ',$zip->numFiles,' files with a status of ',$zip->status;              //close the zip -- done!     $zip->close();              //check to make sure the file exists     return file_exists($destination);   }   else   {     return false;   } }   

<?php$files=array('file1.jpg', 'file2.jpg', 'file3.gif'); create_zip($files, 'myzipfile.zip', true);?>

function unzip($location,$newLocation){    if(exec("unzip $location",$arr)){      mkdir($newLocation);      for($i = 1;$i< count($arr);$i++){        $file = trim(preg_replace("~inflating: ~","",$arr[$i]));        copy($location.'/'.$file,$newLocation.'/'.$file);        unlink($location.'/'.$file);      }      return TRUE;    }else{      return FALSE;    }}

<?phpunzip('test.zip','unziped/test'); //File would be unzipped in unziped/test folder?>

function resize_image($filename, $tmpname, $xmax, $ymax) {   $ext = explode(".", $filename);   $ext = $ext[count($ext)-1];        if($ext == "jpg" || $ext == "jpeg")     $im = imagecreatefromjpeg($tmpname);   elseif($ext == "png")     $im = imagecreatefrompng($tmpname);   elseif($ext == "gif")     $im = imagecreatefromgif($tmpname);          $x = imagesx($im);   $y = imagesy($im);          if($x <= $xmax && $y <= $ymax)     return $im;        if($x >= $y) {     $newx = $xmax;     $newy = $newx * $y / $x;   }   else {     $newy = $ymax;     $newx = $x / $y * $newy;   }          $im2 = imagecreatetruecolor($newx, $newy);   imagecopyresized($im2, $im, 0, 0, 0, 0, floor($newx), floor($newy), $x, $y);   return $im2; }

function send_mail($to,$subject,$body){$headers = "From: KOONK/r/n";$headers .= "Reply-To: blog@koonk.com/r/n";$headers .= "Return-Path: blog@koonk.com/r/n";$headers .= "X-Mailer: PHP5/n";$headers .= 'MIME-Version: 1.0' . "/n";$headers .= 'Content-type: text/html; charset=iso-8859-1' . "/r/n";mail($to,$subject,$body,$headers);}   

<?php$to = "admin@koonk.com";$subject = "This is a test mail";$body = "Hello World!";send_mail($to,$subject,$body);?>

function secsToStr($secs) {  if($secs>=86400){$days=floor($secs/86400);$secs=$secs%86400;$r=$days.' day';if($days<>1){$r.='s';}if($secs>0){$r.=', ';}}  if($secs>=3600){$hours=floor($secs/3600);$secs=$secs%3600;$r.=$hours.' hour';if($hours<>1){$r.='s';}if($secs>0){$r.=', ';}}  if($secs>=60){$minutes=floor($secs/60);$secs=$secs%60;$r.=$minutes.' minute';if($minutes<>1){$r.='s';}if($secs>0){$r.=', ';}}  $r.=$secs.' second';if($secs<>1){$r.='s';}  return $r;}

<?php$seconds = "56789";$output = secsToStr($seconds);echo $output;?>

<?php$DBNAME = 'koonk';$HOST = 'localhost';$DBUSER = 'root';$DBPASS = 'koonk';$CONNECT = mysql_connect($HOST,$DBUSER,$DBPASS);if(!$CONNECT){  echo 'MySQL Error: '.mysql_error();}$SELECT = mysql_select_db($DBNAME);if(!$SELECT){  echo 'MySQL Error: '.mysql_error();}?>

function list_files($dir){  if(is_dir($dir))  {    if($handle = opendir($dir))    {      while(($file = readdir($handle)) !== false)      {        if($file != "." && $file != ".." && $file != "Thumbs.db"/*pesky windows, images..*/)        {          echo '<a target="_blank" href="'.$dir.$file.'">'.$file.'</a>'."/n";        }      }      closedir($handle);    }  }}

<?php  list_files("images/"); //This will list all files of images folder?>

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;}

function readCSV($csvFile){  $file_handle = fopen($csvFile, 'r');  while (!feof($file_handle) ) {    $line_of_text[] = fgetcsv($file_handle, 1024);  }  fclose($file_handle);  return $line_of_text;}  

<?php$csvFile = "test.csv";$csv = readCSV($csvFile);$a = csv[0][0]; // This will get value of Column 1 & Row 1?>