Stories by Gavin Sherry

Security of PHP scripts

Security of applications is one of the most important aspects of programming today - and one of the most overlooked and misunderstood. Now we will look at different security problems that face PHP developers and techniques to solve them.

PostgreSQL address book

We have looked extensively at interacting with the PostgreSQL relational database; now we look at integrating this into our ongoing project - a database-driven address book. First, we will have to create a table in the PostgreSQL database where we ca...

PHP and PostgreSQL

This column has been looking at ways to simplify the development of a database-driven Web-based address book. Now we look at a complete solution: the PostgreSQL Object Relational Database Management System (ORDBMS).

Address book in PHP revisited

In the last column we introduced the use of embedded databases within PHP via the Database Abstract (DBA) Layer. Now, we will re-implement Address Book 1 (AB1) using this superior technology.

Dealing with databases in PHP

Previously we have looked at building a basic address book database system. Address Book 1 stored its data in a flat file format - that is, plain text. The problem with storing data like this is that it is inefficient to search the entire address boo...

Dealing with databases

We have looked at building a basic address book database system. Address Book 1 stored its data in a flat file format - that is, plain text. The problem with storing data like this is that it is inefficient to search the entire address book line by l...

Searching address book data in PHP

We have looked at storing address book entries submitted by users. The other requirement of an address book is to be able to locate an address. Now we will look at parsing address book entries and matching a user-supplied string: a search engine.

Code deciphering

If you're considering developing programming skills in preparation for a career change, or are just interested in how software - from operating systems to games - is created, read on.

Advanced Processing of User Data in PHP

The previous column, 'Collecting user data' looked at how to accept data from basic HTML forms and store then in a structured format in a file. As this is such an important topic for those looking to become skilled in PHP development, we will revisit...

Collecting user data

There are two stages to receiving data from Web users: the first is to provide an interface to interact with, and the second is to retrieve this information. The most common way to do this is through the Common Gateway Interface (CGI), supported by P...

Strings and PHP

If you read the 'PHP Hypertext Preprocessor' column, you might have been wondering about some of the peculiarities of string handling with PHP. Strings, simply, consist of one or more characters in sequence. In PHP, $s = "string" creates a string var...

PHP Hypertext Preprocessor

The remarkable volume of information which has moved to the Web over the last few years, and the complexity of delivering it dynamically to Web users, have resulted in the increased popularity of programming languages designed specifically for delive...

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Sarah Ieroianni

Brother QL-820NWB Professional Label Printer

The print quality also does not disappoint, it’s clear, bold, doesn’t smudge and the text is perfectly sized.

Ratchada Dunn

Sharp PN-40TC1 Huddle Board

The Huddle Board’s built in program; Sharp Touch Viewing software allows us to easily manipulate and edit our documents (jpegs and PDFs) all at the same time on the dashboard.

George Khoury

Sharp PN-40TC1 Huddle Board

The biggest perks for me would be that it comes with easy to use and comprehensive programs that make the collaboration process a whole lot more intuitive and organic

David Coyle

Brother PocketJet PJ-773 A4 Portable Thermal Printer

I rate the printer as a 5 out of 5 stars as it has been able to fit seamlessly into my busy and mobile lifestyle.

Kurt Hegetschweiler

Brother PocketJet PJ-773 A4 Portable Thermal Printer

It’s perfect for mobile workers. Just take it out — it’s small enough to sit anywhere — turn it on, load a sheet of paper, and start printing.

Matthew Stivala

HP OfficeJet 250 Mobile Printer

The HP OfficeJet 250 Mobile Printer is a great device that fits perfectly into my fast paced and mobile lifestyle. My first impression of the printer itself was how incredibly compact and sleek the device was.

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