PHP Web Development Tutorials

PHP Web Development Tutorials and Articles
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PHP will automatically convert data types as necessary across the board - you need not worry about it happening. If you specifically wish to override PHP's type conversion, you can perform what is called a type cast - you forcibly convert a variable of type A to type B. In PHP, type casting looks...
The below is a code to gauge ur php performance <?php function micro_time_val($mytime) { $gettime=explode(" ",$mytime); $msec=(double)$gettime; $sec=(double)$gettime; return ($sec + $msec);
Background I've needed the header function in php so many times I figured I'd write a tutorial on it. This tutorial should help you do most of the things that the header function is capable of. Simply put, the php header function will send a http header to the browser. Headers in PHP If...
Management of files Manipulating files is a basic necessity for programmers and PHP gives you a great deal of tools for creating, uploading, and editing files. When you are manipulating files you must be very careful because you can do a lot of damage if you do some errors. Common errors include...
File upload is very common requirement of many web sites. We may require to upload pictures online to websites. Image upload is very common requirement and many sites are using this to allow members or visitors to upload files. We will learn how to upload multiple files using a single form. This...
The PDF (or portable document format) file is an amazingly versatile format for transferring what usually starts as a hard copy version of a document over the Internet. Many companies use the PDF format to transfer contracts, manuals, and other documents over the Internet without trying to convert...
All like to create PHP scripts as fast as possible, and we try to take any shortcuts that we have. Here are few tips to speed up php code Tip -1 Using a good editor can really save you time. If you're still stuck on using Notepad to edit your PHP scripts, switch right now. There are...
Repetitive tasks are always a burden to us. Deleting spam email, sealing 50 envelopes, and going to work are all examples of tasks that are repeated. The nice thing about programming is that you can avoid such repetitive tasks with a little bit of extra thinking. Most often these repetitive tasks...
Arrays are common to many programming languages. They are special variables which can hold more than one value, each stored in its own numbered 'space' in the array. Instead of having many similar variables, you can store the data as elements in an array.Each element in the array has its own ID so...
Exceptions are used to change the normal flow of a script if a specified error occurs.Exception handling is used to change the normal flow of the code execution if a specified error (exceptional) condition occurs. This condition is called an exception.when an exception is triggered the current code...
A trend with a lot of new Web Designers is to blindly go for ASP or JSP for creating dynamic and interactive websites. Why use PHP for server-side scripting? This question comes in mind of a lot of Web Designers, especially in mind of designers/programmers who are only exposed to much hyped server...
Many websites generate temporary password or some generate the Activiation code for verification of email. They send the mail with that code in it and so If you wonder how they do this here is a function to do this. Input : - Length of the Random string you wish to generate Output :- Random...
This is a very simple code and hardly requires any explanations. :eek: If you need any put the post here. functions.php <?php function createsessions($username,$password) { //Add additional member to Session array as per requirement session_register();
Let us say you have some images and want to watermark those images with some other gif, jpeg, png images or with some plain text on the fly in PHP. It actually looks tough but it is very simple. Let us take a real time example of profile picture option we have here at where if you...
CURL is a command line tool for sending and receiving files or other data with URL syntax.CURL supports many protocols for example HTTP, FTP, HTTPS, TELNET, etc. When it comes to PHP/CURL, it is a module that allow us to use libcurl PHP library. Uses We can use PHP/CURL for HTTP form based...
Ill start by giving the code to the guest book then I will give a step by step on what each part does. <?php if(isset($_POST) && isset($_POST)) { if($_POST != "" && $_POST != "") { $F_D = getdate(); $FT = $F_D."/".$F_D."/".$F_D;