The PHP Grind

Generating print-ready well-formatted PDF documents with PHP is not an easy task. Traditionally, there are two main approaches to PDF generation with PHP. Given sufficient time and patience, both partially get the job done, but still leave a lot to be desired. This tutorial introduces a new way of doing it using template based document [...]

There are many topics on the forums that go again, topics many people often are having trouble with. One of these problem areas are how to handle dates, convert them to a different format, timezone issues, etc. This tutorial will attempt to address many of the commonest problems related to date and time issues.

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Introduction
Often I see many posts about how to do a simple SQL search. Well I finally caved in and decided to write a tutorial just for that. I will try and explain everything in as much detail as I can without being over wordy. This is a basic search, nothing more. If you want a [...]

Table of Contents

1. Regular Expressions Basics
2. Creating Your Own Patterns
3. How Metacharacters Work
4. Quantifier Greediness
5. Pattern Modifiers
6. PCRE vs. POSIX
7. Putting it All Together
8. Conclusion and Future Tutorials

Regular Expressions Basics

What are Regular Expressions?
Regular expressions (which will now be referred to as "regexes") are basically pattern matching inside of text. They use special syntax and [...]

So you have some tabular data printed out in your browser. You can even change the order of the information by clicking on the column name at the top of your list. But can you make your own custom list order?
Or maybe you’re deciding to make a content management system [...]

Introduction
PHPIDS (PHP-Intrusion Detection System) is a simple to use,
well structured, fast and state-of-the-art security layer
for your PHP based web application. The IDS neither strips,
sanitizes nor filters any malicious input, it simply
recognizes when an attacker tries to break your site and
reacts in exactly the way you want it to. Based on a set of
approved and heavily [...]

Introduction
Over in the php help forum, the question of how to deal with checkboxes arises pretty often. Usually, people want to be able to select which rows of a database to update/delete/throw out the window.
The concept is actually pretty simple. It involves naming your checkbox as an array and the use of the IN mysql [...]

Dynamic Image Generation
Long and boring back-story….

One of the standard features of a message board is allowing members to have a signature, which is appended to the bottom of each post they make. Posters can put whatever they want into the signature (within forum settings). Putting quotes in one’s signature is one of the [...]

Dynamic Image Generation
Long and boring back-story….

One of the standard features of a message board is allowing members to have a signature, which is appended to the bottom of each post they make. Posters can put whatever they want into the signature (within forum settings). Putting quotes in one’s signature is one of the [...]

Introduction
Over in the php help forum, the question of how to deal with checkboxes arises pretty often. Usually, people want to be able to select which rows of a database to update/delete/throw out the window.
The concept is actually pretty simple. It involves naming your checkbox as an array and the use of the IN mysql [...]