PHP Web Development Tutorials

PHP Web Development Tutorials and Articles
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Parsing HTML has always been a tough cookie even for seasoned programmers, but nowadays parsing HTML is extensively used for scraping websites, crawling, error detection websites, and many other useful purposes. In this article we'll be looking into parsing HTML using PHP, for this purpose I...
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....
password.class.php <?php /* * Simple password generator define ('PC_MINUS', 0x01); define ('PC_CAPITAL', 0x02); define ('PC_NUMBERS', 0x04); define ('PC_SPACES', 0x08);
At some point, most developers have a need to create graphs. I've known some to get frustrated and end up exporting the data to a spreadsheet, rather than relying upon the graphing capabilities of Open Office or Excel. That can be the way to go in certain cases, but not because there's no...
Cookies have long been used in PHP scripts, and are a very useful function. But what exactly are cookies? Maybe you have used then, but you still don't know exactly what they are. Or you are completely new to cookies? It doesn't matter, because in this tutorial I will show you exactly what cookies...
This class is a wrapper for array's that allows you to use oop to create and manage an array Background This class is inspired by Java and C#'s array class. The Code If you'd like to use oop to manage an array this class is meant to provide a data type of sorts for that effort.
I am listing tips to improve your PHP code performance. There are few whom you can call as debatable but overall the code performance will surely increase. Following tips are written to save time and development cost (includes memory too) If a method can be static, declare it static. Speed...
Many times it is required for us to calculate the time remaining and display it in a very understandable format like days,weeks,hours etc. Here is a function i wrote to do the same. //FUNCTION FOR TIME LEFT function time_left($integer) { $seconds=$integer; if...
The use of function is similar to other language functions, take one or more parameters as input, process and provide the corresponding result. The block of code to be used more frequently is added inside the functions. The execution of function is dependent on two points as create the function and...
PHP can be used for a lot of different things, and is one of the most powerful scripting languages available on the web. Not to mention it's extremely cheap and widely used. However, one thing that PHP is lacking, and in fact most scripting languages are, is a way to update pages in real-time,...
Several protocols like POP3, IMAP and LDAP are supported. Various databases like Oracle, MySQL, PostgreSQL, Informix, Sybase, and SQL server can be easily integrated. Uses of PHP The database modifications like insert, delete and element modification is possible using PHP The system...
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...
Creates a class that acts as a string wrapper similar to Java and C#. Background Php doesn't do types so I created a class to act as a wrapper to provide a faux type for strings The Code The code is designed so that you can create text variables which have there own methods that you...
PHP tags Comments in PHP Executing PHP from command prompt Overview of variables Different PHP data types Scope of variables PHP tags The PHP tags are used by the user to divide the PHP code from the page elements. The content inside the tags is used and remaining is ignored by the...
A Comma-Separated Values(CSV) file stores information in a list with a comma between each item. A CSV file may consists of any number of records. CSV file format is widely supported by scientific applications, and various consumer and business applications. There are a few variations where...
Here's the code to read ID3 tage from a MP3 file <?php //Reads ID3v1 from a MP3 file and displays it $mp3 = "1.mp3"; //MP3 file to be read
EXIF stands for Exchangeable image file format is standard by which metadata is stored in image & sound file formats, these are sometimes added by digital camera / software / or manually added by a user. These standards metadata tags help people track / store info, for example Flickr shows the...
These days, i'm kinda into hot stuff each day but kinda not having time to document all those. So here I got a little time, let's skip the bla bla. What exactly is real-time updating means? Have you ever seen how php output is shown on the browser? No matter what length code or how many loops...
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 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...