Develop Rock-Solid Code In PHP: Lay The Foundation, Part 1

By Amol Hatwar
2004-01-21

Secure your code

Any system that caters to a large audience must be secure. Though PHP itself has been inert from attacks by black-hat hackers, one is never too certain. PHP 4 prior to version 4.2.2 had serious security flaws. Always make sure sensitive data are stored or transmitted on a network with proper encryption. This is more important for applications that transact business, store information like credit-card numbers, and transmit confidential data.

Today, trusting data that users submit is difficult. Make sure that you validate it and ensure that it is clean before using it. Keep in mind that putting your Web application on the Internet exposes your system, your software, your data, and your business to a huge network.

Ensure that your code runs securely at all times.

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First published by IBM developerWorks

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