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Using Regular Expressions with PHP

Fri, 30 Mar 2007 06:57:37 -0700

Regular expressions are a powerful tool for examining and modifying text. They enable you to search for patterns within a string, extracting matches flexibly and precisely. This tutorial gives a brief overview of basic regular expression syntax and then considers the functions that PHP provides for working with regular expressions.

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VBScript Functions

Wed, 7 Mar 2007 05:48:48 -0800

This tutorial will provide you with a quick look at the more important VBScript functions. They include functions for type checking, date manipulation, string manipulation, formatting, math, and more.

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Working with Directories

Wed, 21 Feb 2007 06:33:18 -0800

As is necessary for any language, PHP has a complete set of directory support functions. PHP gives you a variety of functions to read and manipulate directories and directory entries. Like other file-related parts of PHP, the functions are similar to the C functions that accomplish the same tasks, with some simplifications. This tutorial describes how PHP handles directories. You will look at how to create, remove, and read them.

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Create Thumbnail Images using PHP

Fri, 16 Feb 2007 00:49:25 -0800

This tutorial will describe how to create thumbnail images on the fly using PHP. Furthermore you will learn how to process a whole folder of images and create their thumbnails. Since this requires the GD library, you will need an installation of PHP with at least GD 2.0.1 enabled.

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Export Database Schema as XML

Fri, 9 Feb 2007 06:01:00 -0800

Sometimes it can be useful to have a dump of the current database schema. This script reads the schema from a MySQL database and outputs XML that describes the schema.

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PHP: Sending Email (Text/HTML/Attachments)

Mon, 5 Feb 2007 03:54:49 -0800

So, you want to send automated email messages from your PHP application. This can be in direct response to a user's action, such as signing up for your site, or a recurring event at a set time, such as a monthly newsletter. Sometimes email contains file attachments, both plain text and HTML portions, and so on. To understand how to send each variation that may exist on an email, we will start with the simple example and move to the more complicated.

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How to Control Tab Order in HTML

Wed, 31 Jan 2007 03:47:13 -0800

All elements (except hidden elements) in the HTML form are part of the form's tab order. When the user presses the Tab key, the browser shifts the input focus from element to element in order the elements appear in the HTML code. However, sometimes you want the tab order to flow a little differently.

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Form Processing with PHP

Tue, 30 Jan 2007 07:24:21 -0800

One of the best features of PHP is possibility to respond to user queries or data submitted from HTML forms. You can process information gathered by an HTML form and use PHP code to make decisions based off this information to create dynamic web pages. In this tutorial we will show how to create an HTML form and process the data.

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PHP: Looping Statements

Thu, 25 Jan 2007 07:27:54 -0800

PHP performs several types of repetitive operations, called "looping". Loops are set of instructions used to repeat the same block of code till a specified condition returns false or true depending on how you need it. This tutorial shows the basic idea on how to use looping statements in PHP, along with examples, and descriptions of the examples.

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SQL: ALTER TABLE

Tue, 16 Jan 2007 06:00:38 -0800

Many times your design may have not accounted for everything it should have. Also, requirements for applications and databases in particular are always subject to change. The ALTER TABLE statement allows to change the structure of a table after it has been created.

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