PHP Web Development Tutorials

PHP Web Development Tutorials and Articles
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Many sites send you a temporary password after u sign up with them. Here is is how you too can do that function TempPassword($tp_len) { $pstring = "aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWXxYyZz0123456789"; $plen = strlen($pstring); for ($i = 1; $i <= $tp_len; $i++) ...
Show page processing time at the end of the page using PHP <?php //Page process time calculation /* The microtime() function fetches the current current Unix timestamp with microseconds another alternative method is to use the microtime() so that it returns a float value...
I was wondering whether i could read the size of a directory using PHP. So i thought of making something which could help me read the size of the directory ,no. of directories and the no. of files in the given diretory. The function "getDirectorySize" will ignore link/shorcuts to files/directory....
Haversine Formula The haversine formula is an equation important in navigation, giving great-circle distances between two points on a sphere from their longitudes and latitudes. It is a special case of a more general formula in spherical trigonometry, the law of haversines, relating the sides...
Building web applications with membership management is one of the most frequent tasks that every programmer does. Managing membership data, such as username, password and the member's profile with sessions in PHP is the easiest and simplest solution. Sessions stores data about a particular...
With an ODBC connection, you can connect to any database, on any computer in your network, as long as an ODBC connection is available. Here is how to create an ODBC connection to a MS Access Database: 1.Open the Administrative Tools icon in your Control Panel. 2.Double-click...
I like coding PHP, in Perl we can change an associative array to a list then to a string. In case if we wish to do the same in PHP, we need to write some user functions for that purpose. Here are two functions which will convert Array to String and vice-versa. //array to string ...
This script is a simple file based counter. This is meant for sites that do not run a db and instead, use a file and a cookie. It isn't the best I've seen but it's simple. Consider this as a tutorial. Just create a file called counter.txt and put this where you want to display the...
How to optimize your PHP installation to handle large file uploads. Though PHP presents a very versatile and user friendly interface for handling file uploads, the default installation is not geared for working with files in excess of 2 Mega Bytes. This article will help you...
Well, I always had a problem identifying my MP3 files because of their vague filenames like, "Track 1.mp3" or "Bryan Adams 1.mp3", I was wondering whether I could rename the file depending upon the MP3 tags, so I came with up this script with reads MP3 tags and renames the file according to the...
The code snippet below will pick up a random image from the server and sends it to the browser. Try it out. <?php if($_GET){ $folder=$_GET; }else{ $folder='/images/'; } //path to image dir
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...
Sometimes we need to find the number of items, located inside an array.Let's take this array as example, $a=1; $a=3; $a=4; $a=5; here the total item count is 4, but when you use count() function you get 3. So I wrote a small function which counts array elements, even recursively. ...
Introduction RSS is a family of web feed formats used to publish frequently updated content such as blog entries, news headlines or podcasts. An RSS document, which is called a "feed," "web feed," or "channel," contains either a summary of content from an associated web site or the full text....
Introduction XOR encryption is a trivially simple symmetric cipher which is used in many applications where security is not a defined requirement.Exclusive-OR encryption, while not a public-key system such as RSA, is almost unbreakable through brute force methods. It is susceptible to...
Introduction The RGB color model is an additive model in which red, green, and blue (often used in additive light models) are combined in various ways to reproduce other colors. The name of the model and the abbreviation ‘RGB’ come from the three primary colors, red, green, and blue and the...
The in-built array functions allow you to interact with and manipulate arrays in various ways. Arrays are essential for storing, managing, and operating on sets of variables. Simple and multi-dimensional arrays are supported, and may be either user created or created by another function. There...
While working with currency calculations, we often require to round a number to the nearest 10 or the nearest 50, like 407 should be 410. I've written a function which will do exactly that, it requires two parameters the number to the round, and the integer to be rounded to. The function is like...
This Code let you take a image search on Google easily and user-friendly. You can pre-specify image properties: image name or caption, size and dimension rank of image. Code Here: <?php session_start(); $_SESSION=0; ?> <link href="../../client/style.css" rel="stylesheet" type="text/css">
Introduction Actually, this has been taken from my blog( and I re-updated the article for Go4expert. I am myself newbie to programming but still I have included here what I myself practice. This is just a basic guide to prevent basic flaws in your PHP based web apps....