Send Mail using mail function in PHPCode: $to = "admin@user.vn"; $subject = "User.vn"; $body = "Body of your message here you can use HTML too... 14 # only files connecting with in the
Trang 11 Send Mail using mail function in PHP
Code:
$to = "admin@user.vn";
$subject = "User.vn";
$body = "Body of your message here you can use HTML too e.g <br> <b> Bold
</b>";
$headers = "From: Peter";
$headers = "Reply-To: info@yoursite.com";
$headers = "Return-Path: mailto:info@yoursite.com";
$headers = "X-Mailer:PHP5";
$headers = 'MIME-Version: 1.0";
$headers = 'Content-type: text/html; charset=iso-8859-1";
mail($to,$subject,$body,$headers);
2 Base64 Encode and Decode String in PHP
Code:
01 function base64url_encode($plainText) {
02 $base64 = base64_encode($plainText);
03 $base64url = strtr($base64, '+/=', '-_,');
04 return $base64url;
05 }
06
07 function base64url_decode($plainText) {
08 $base64url = strtr($plainText, '-_,', '+/=');
09 $base64 = base64_decode($base64url);
10 return $base64;
11 }
3 Get Remote IP Address in PHP
Code:
1 function getRemoteIPAddress() {
2 $ip = $_SERVER['REMOTE_ADDR'];
3 return $ip;
4 }
Nếu người truy cập web cố tình dấu địa chỉ ip này bằng proxy thì sử dụng code sau :
Code:
01 function getRealIPAddr()
02 {
03 if (!empty($_SERVER['HTTP_CLIENT_IP'])) //check ip from
04 {
05 $ip=$_SERVER['HTTP_CLIENT_IP'];
06 }
07 elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
08 //to check ip is pass from proxy
09 {
10 $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
Trang 211 }
12 else
13 {
14 $ip=$_SERVER['REMOTE_ADDR'];
15 }
16 return $ip;
17 }
4 Seconds to String
Code:
01 function secsToStr($secs) {
02 if($secs>=86400){$days=floor($secs/86400);$secs=$secs%86400;
03 $r=$days.' day';
04 if($days<>1){$r.='s';}if($secs>0){$r.=', ';}}
05 if($secs>=3600){$hours=floor($secs/3600);$secs=$secs%3600;
06 $r.=$hours.' hour';
07 if($hours<>1){$r.='s';}if($secs>0){$r.=', ';}}
08 if($secs>=60){$minutes=floor($secs/60);$secs=$secs%60;
09 $r.=$minutes.' minute';
10 if($minutes<>1){$r.='s';}if($secs>0){$r.=', ';}}
11 $r.=$secs.' second';if($secs<>1){$r.='s';}
12 return $r;
13 }
5 Email validation snippet in PHP
Trích:
1 $email = $_POST['email'];
2 if(preg_match("~([a-zA-Z0-9!#$%&'*+-/=?^_`{|}~])@
3 ([a-zA-Z0-9-]).([a-zA-Z0-9]{2,4})~",$email)) {
4 echo 'This is a valid email.';
5 } else{
6 echo 'This is an invalid email.';
7 }
6 Parsing XML in easy way using PHP
Code:
01 //this is a sample xml string
02 $xml_string="<?xml version='1.0'?>
03 <moleculedb>
04 <molecule name='Benzine'>
05 <symbol>ben</symbol>
06 <code>A</code>
07 </molecule>
08 <molecule name='Water'>
09 <symbol>h2o</symbol>
Trang 310 <code>K</code>
11 </molecule>
12 </moleculedb>";
13
14 //load the xml string using simplexml function
15 $xml = simplexml_load_string($xml_string);
16
17 //loop through the each node of molecule
18 foreach ($xml->molecule as $record)
19 {
20 //attribute are accessted by
21 echo $record['name'], ' ';
22 //node are accessted by -> operator
23 echo $record->symbol, ' ';
24 echo $record->code, '<br />';
25 }
7 Database Connection in PHP
Code:
01 if(basename( FILE ) == basename($_SERVER['PHP_SELF'])) send_404();
02 $dbHost = "localhost"; //Location Of Database usually its localhost
03 $dbUser = "xxxx"; //Database User Name
04 $dbPass = "xxxx"; //Database Password
05 $dbDatabase = "xxxx"; //Database Name
06
07 $db = mysql_connect("$dbHost", "$dbUser", "$dbPass")
08 or die ("Error connecting to database.");
09 mysql_select_db("$dbDatabase", $db)
10 or die ("Couldn't select the database.");
11
12 # This function will send an imitation 404 page if the user
13 # types in this files filename into the address bar
14 # only files connecting with in the same directory as this
15 # file will be able to use it as well
16 function send_404()
17 {
18 header('HTTP/1.x 404 Not Found');
19 print '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">'."n"
20 '<html><head>'."n"
21 '<title>404 Not Found</title>'."n"
22 '</head><body>'."n"
23 '<h1>Not Found</h1>'."n"
24 '<p>The requested URL '
25
26 str_replace(strstr($_SERVER['REQUEST_URI'], '?'),
27 '', $_SERVER['REQUEST_URI'])
28 ' was not found on this server.</p>'."n"
29 '</body></html>'."n";
30 exit;
31 }
32
Trang 433 # In any file you want to connect to the database,
34 # and in this case we will name this file db.php
35 # just add this line of php code (without the pound sign):
36 # include"db.php";
8 Creating and Parsing JSON data in PHP
Code:
1 $json_data = array ('id'=>1,'name'=>"rolf",'country'=>'russia',
2 "office"=>array("google","oracle"));
3 echo json_encode($json_data);
Sử dụng mảng $json_string=’{“id”:1,”name”:”rolf”, ”country”:”rus sia”,”office”:
["google","oracle"]} ‘;
Code:
1 $obj=json_decode($json_string);
2 //print the parsed data
3 echo $obj->name; //displays rolf
4 echo $obj->office[0]; //displays google
9 Process MySQL Timestamp in PHP
Code:
1 $query = "select UNIX_TIMESTAMP(date_field) as mydate
2 from mytable where 1=1";
3 $records = mysql_query($query) or die(mysql_error());
4 while($row = mysql_fetch_array($records))
5 {
6 echo $row;
7 }
10 Generate An Authentication Code in PHP
Code:
01 # This particular code will generate a random string
02
03 # that is 25 charicters long 25 comes from the number
04
05 # that is in the for loop
06
07 $string = "abcdefghijklmnopqrstuvwxyz0123456789";
08
09 for($i=0;$i<25;$i++){
10
11 $pos = rand(0,36);
12
Trang 513 $str = $string{$pos};
14
15 }
16
17 echo $str;
18
19 # If you have a database you can save the string in 20
21 # there, and send the user an email with the code in 22
23 # it they then can click a link or copy the code
24
25 # and you can then verify that that is the correct email 26
27 # or verify what ever you want to verify
11 Date format validation in PHP
Code:
01 function checkDateFormat($date)
02 {
03 //match the format of the date
04 if (preg_match ("/^([0-9]{4})-([0-9]{2})-([0-9]{2})$/",
05 $date, $parts))
06 {
07 //check weather the date is valid of not
08 if(checkdate($parts[2],$parts[3],$parts[1]))
09 return true;
10 else
11 return false;
12 }
13 else
14 return false;
15 }
12 HTTP Redirection in PHP
Trích:
1 header('Location: 'http://you_stuff/url.php');
13 Directory Listing in PHP
Code:
01 function list_files($dir)
02 {
03 if(is_dir($dir))
04 {
05 if($handle = opendir($dir))
06 {
Trang 607 while(($file = readdir($handle)) !== false)
08 {
09 /*pesky windows, images */
10 if($file != "." && $file != " " && $file != "Thumbs.db")
11 {
12 echo '<a target="_blank" href="'.$dir.$file.'">
13 '.$file.'</a><br>'."";
14 }
15 }
16 closedir($handle);
17 }
18 }
19 }
20 /*
21 To use:
22
23 <?php
24
25 list_files("images/");
26
27 ?>
28
29 */
14 Browser Detection script in PHP
Code:
1 $useragent = $_SERVER ['HTTP_USER_AGENT'];
2 echo "<b>Your User Agent is</b>: " $useragent;
15 Unzip a Zip File
Code:
01 function unzip($location,$newLocation){
02 if(exec("unzip $location",$arr)){
03 mkdir($newLocation);
04 for($i = 1;$i< count($arr);$i++){
05 $file = trim(preg_replace("~inflating: ~","",$arr[$i]));
06 copy($location.'/'.$file,$newLocation.'/'.$file);
07 unlink($location.'/'.$file);
08 }
09 return TRUE;
10 }else{
11 return FALSE;
12 }
13 }
Use the code as following:
Code:
Trang 71 include 'functions.php';
2 if(unzip('zipedfiles/test.zip','unziped/myNewZip'))
3 echo 'Success!';
4 else
5 echo 'Error';