Ever Moved a page to a new one and searched for a way to let your users and search engines spiders / robots to let they know that you moved that page permanently? There are a lot of ways to do it, but with php is so simple. Just two lines of code. Here is the code:
<?php Header( "HTTP/1.1 301 Moved Permanently" ); Header( "Location: the-new-page.html" ); ?>
Welcome,
I’ve just created a brand new category here name basic php and I got my chance to explain you guys how you may include external php files into another ones. There are ways and ways but I will explain only two of them, the most popular ones. The first one, is called include() a php function which you may use it for simple things. I wouldn’t use it for a database connection, for that, exists the require_once() function. The difference between those two php functions is that include() function will give you a warning if the remote include file doesn’t exists. On the other side , the require_once() php function will stop parsing the script if the remote file wont be finded.
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The usage is very basic like that
<?php include('filename.php'); //or require_once('mydb.php'); ?>
Hi,
I didn’t writed here for 3 days because of the holidays stuff, etc. and now I got a little bit of free time to write about php variables and constants. Variables and constants in php are doing almost the same thing, but the aspect who shows very well the difference between those two things in php coding are the way they get created.
Variables are beeing created and printed in this way :
<?php $newvariable = "something"; print $newvariable; ?>
The constants are defined in the next way :
<?php define('Constantname', 'constantvalue'); print Constantname; ?>
The is a set of rules for both such as must begin with a letter, doesn’t allow to containt dashes such as “-”, but there is allowed “_”. For more informations please check the official php website.
Thanks!
Hi,
In this php tutorial you will learn the simple way to build a script which counts how many times a page is viewed. For this, we can use a mysql database table and a simple php script.
<?php $pagename = $_SERVER['PHP_SELF']; $sql = "select * from mysqltable where page = '$pagename'"; $rs = mysql_query($sql); if($rs) { $row=@mysql_fetch_object($rs); $counter = $row->counterfield; //update the stats, if they exits $counter = "".($counter+1).""; $qry = mysql_query("updated tablename set counterfield = '$counter' where id = '$row->id'"); }else{ print mysql_error(); } ?>
Hi,
In this php tutorial I’ll teach you how to create a simple tell a friend script. Basically, it will use what you learned in the send email with a contact form script, but in this case we’ll choose the destination and also the “from:” field which we’ll setup on php mail() function headers.
<form action="" method="post"> Your email address : <input type="text" name="yemail"><br/> Your friend's email address : <input type="text" name="femail"><br/> Your message : <textarea name="text">Hey look what nice website I found <?=$_SERVER['SERVER_NAME'];?> </textarea> <input type="submit" name="sb" id="sb" value="Tell a friend"> </form> <?php //check if tell a friend form was completed and sended if(isset($_POST['sb'])) { if($_POST['yemail'] == "" || $_POST['femail'] == "" || $_POST['text'] == "") { print "All fields are mandatory"; }else{ $to = $_POST['femail']; $from = "From : $_POST[yemail]"; $message = $_POST['text']; $subject = "Your friend tells u"; mail($to, $subject , $message, $from); } } ?>
Hi,
Do you need to send regular news by email to your customers, or just want to keep them posted with product offers and updates? There is a solution, php newsletter. This can be done in two parts, first part is collecting the emails into a mysql database within a html form and php processing.
<form action="" method="POST"> Enter your email : <input type="text" name="email"> <input type="submit" name="sb" value="Subscribe"> </form> <?php if(isset($_POST['sb'])) { if($_POST['email'] == "") { print "Please complete email address"; }else{ $sql = "insert into tablename (`email`) values ('".addslashes(mysql_real_escape_string($_POST['email']))."')"; $rs = mysql_query($sql); if($rs) { print "Email address subscribed to our newsletter"; }else{ print "Email address was not subscribed to our newsletter durring a mysql error"; } } } ?>
In the last tutorial I teached you how to generate a security image with php called captcha code. Also I teached you how to store that random security photo / image code in a php session : with a reason, to be able to validate it later. So here we are , on the page which action is pushed we do this to validate the captcha :
<?php session_start(); if(isset($_SESSION['randomcode'])) { //check if what user typed in input equals to session key >if(md5($_POST['inputname']) == $_SESSION['randomcode']) { print "GOOD, captcha correct!"; }else{ print "You didn't entered the captcha correct"; } } ?>
Hi,
Are you tired of receiving spam messages from your contact forms or unwanted posts, robot accounts on your membership website? If yes, the solution is to create a php security image called captcha. That’s the best solution to secure your web forms, etc. For creating a captcha security code you need to have GD-library installed and active on your webhost, but, most of the shared webhosts have this library installed. Here is the captcha code :
<?php //The first step is to start a php session calling the special function session_start(); //The seccond step is to generate a string randomly using rand function //I'll choose to get a random number 6 numbers in length $randomcode = rand(0, 999999); //Now we need a background image to write the random number to it $captchafromimage = imagecreatefrompng("captcha.png"); //Setting font color $color = ImageColorAllocate ($captchafromimage, 50, 50, 50); //Ta da, here we are, writing the random generated code to the image imagestring($captchafromimage, 6, 50, 2, $randomcode, $color); //Now the random number is coded into md5 secure format //and stored it into a session name to be able to validate //it in the future $_SESSION['randomcode'] = md5($randomcode); //Set up headers header("Content-type: image/png"); //Finally, let's show up the captcha image generated imagepng($captchafromimage); ?>
You will need a background PNG image which you can download here (right click -> Save as)
Here is the captcha result :
Hi,
In this “php tutorial” I will teach you guys how to show your users their IP address with only one line of code.
<?php print "YOUR IP ADDRESS IS : $_SERVER[REMOTE_ADDR]"; ?>
Hi,
In this php tutorial you will learn how to build a random image banner rotator. Basically, it’s the same as the link rotator, we build a php array with images wanted to rotate, then we’ll apply the rand() php function.
<?php $banners = array("path/img1.jpg", "path/img2.gif"); $max = sizeof($banners); $rand = rand(0, $max); print $banners[$rand]; ?>
